CHAPTER1
1 Which adapter enables a
computer system to exchange information with other systems on a local network?
#network interface card
2 What measurement is commonly associated with computer processing speed?
#hertz
3 Which computer component is considered the nerve center of the computer system and is responsible for processing all of the data within the machine?
#CPU
4 Why do servers often contain duplicate or redundant parts?
#Servers should be accessible at all times.
5 What are two benefits of connecting a laptop computer to a docking station? (Choose two.)
#An external monitor can be used.
#Alternate connectivity options may be available.
6 What characteristic of word processing software would make it a local application?
#The software is stored on the local hard drive.
7 A user plans to run multiple applications simultaneously on a computer. Which computer component is essential to accomplish this?
#RAM
8 What are two advantages of purchasing a preassembled computer? (Choose two.)
#usually a lower cost
#adequate for performing most general applications
9 Applications can be grouped into general use software or industry specific software. What are two examples of industry specific software? (Choose two.)
#an educational tool
#medical practice management software
10 What is the main storage drive used by servers, desktops, and laptops?
#hard drive
11 A user reports that a peripheral device that was installed correctly last week has not been functioning since the PC was booted today. All other PC functions are working properly. What are three things a service technician should do to solve the problem? (Choose three.)
#Use the testing functionality on the peripheral itself, if available.
#Disconnect all cables connected to the computer except those connected to the peripheral.
#Ensure that the peripheral is powered on.
12 What two functions does a UPS provide that a surge protector does not? (Choose two.)
#It provides backup power from an internal battery.
#It gives the user time to safely shut down the computer if the power fails.
13 Which component is designed to remove high-voltage spikes and surges from a power line so that they do not damage a computer system?
#surge suppressor
14 Because of the potentially dangerous voltage levels, which two devices should you not open unless you have been specifically trained to work on them? (Choose two.)
#monitor
#power supply
15 What can be used to prevent electrostatic discharge (ESD)?
#grounding strap
16 How many unique values are possible using a single binary digit?
#2
17 Administrators at a multicampus college need access to their schedules wherever the administrators go. Which computing device would be the most appropriate?
#PDA
18 Which two steps should be performed when installing a peripheral device? (Choose two.)
#Download and install the most current driver.
#Connect the peripheral using an appropriate cable or wireless connection.
19 How is a server different from a workstation computer?
#The server provides services to clients.
20 Which three terms describe different types of computers? (Choose three.)
#laptop
#desktop
#mainframe
21 In newer operating systems, how are system resources assigned by default when components are installed?
#dynamically assigned between the component and the operating system
#network interface card
2 What measurement is commonly associated with computer processing speed?
#hertz
3 Which computer component is considered the nerve center of the computer system and is responsible for processing all of the data within the machine?
#CPU
4 Why do servers often contain duplicate or redundant parts?
#Servers should be accessible at all times.
5 What are two benefits of connecting a laptop computer to a docking station? (Choose two.)
#An external monitor can be used.
#Alternate connectivity options may be available.
6 What characteristic of word processing software would make it a local application?
#The software is stored on the local hard drive.
7 A user plans to run multiple applications simultaneously on a computer. Which computer component is essential to accomplish this?
#RAM
8 What are two advantages of purchasing a preassembled computer? (Choose two.)
#usually a lower cost
#adequate for performing most general applications
9 Applications can be grouped into general use software or industry specific software. What are two examples of industry specific software? (Choose two.)
#an educational tool
#medical practice management software
10 What is the main storage drive used by servers, desktops, and laptops?
#hard drive
11 A user reports that a peripheral device that was installed correctly last week has not been functioning since the PC was booted today. All other PC functions are working properly. What are three things a service technician should do to solve the problem? (Choose three.)
#Use the testing functionality on the peripheral itself, if available.
#Disconnect all cables connected to the computer except those connected to the peripheral.
#Ensure that the peripheral is powered on.
12 What two functions does a UPS provide that a surge protector does not? (Choose two.)
#It provides backup power from an internal battery.
#It gives the user time to safely shut down the computer if the power fails.
13 Which component is designed to remove high-voltage spikes and surges from a power line so that they do not damage a computer system?
#surge suppressor
14 Because of the potentially dangerous voltage levels, which two devices should you not open unless you have been specifically trained to work on them? (Choose two.)
#monitor
#power supply
15 What can be used to prevent electrostatic discharge (ESD)?
#grounding strap
16 How many unique values are possible using a single binary digit?
#2
17 Administrators at a multicampus college need access to their schedules wherever the administrators go. Which computing device would be the most appropriate?
#PDA
18 Which two steps should be performed when installing a peripheral device? (Choose two.)
#Download and install the most current driver.
#Connect the peripheral using an appropriate cable or wireless connection.
19 How is a server different from a workstation computer?
#The server provides services to clients.
20 Which three terms describe different types of computers? (Choose three.)
#laptop
#desktop
#mainframe
21 In newer operating systems, how are system resources assigned by default when components are installed?
#dynamically assigned between the component and the operating system
CHAPTER2
1 Which method of
interacting with an operating system involves typing commands at a command
prompt?
#CLI
2 What occurs when computers are configured to receive their network configurations dynamically?
#Each computer requests configuration information from a server.
3 An operating system is severely damaged. All data on the partition needs to be deleted, and all application software must be reinstalled. Which installation method should be used to correct the problem?
#clean install
4 Which Windows file system is more likely to be used in an enterprise-level environment?
#NTFS
5 What are two ways that a user can interact with an operating system shell? (Choose two.)
#CLI
#GUI
6 Windows XP has a known problem with specific Intel processors. What is the best course of action to take in this situation?
#Download and install the Windows patch that fixes this problem.
7 The Lesson TaskMaster application from ChalkBoard has a problem. Every time the software is installed and loaded on a Windows XP-based Dell computer, and the moment something is typed followed by a tab, two tabs are inserted instead of one. What would be the best solution to this problem?
#Download, install, and apply a patch from ChalkBoard.
8 Which two statements are true about drive partitions? (Choose two.)
#Partitions are necessary in multi-boot installations.
#A hard drive can be divided into an operating system partition and a data partition.
9 What is the purpose of a default gateway?
#identifies the device that allows local network computers to communicate with devices on other networks
10 What Explorer menu option is used to determine the Windows XP version installed on a computer?
#Help
11 Which three resource specifications are given by the manufacturer to ensure that an operating system performs as designed? (Choose three.)
#required hard disk space
#processor type and speed
#recommended amount of RAM
12 Which three pieces of information must be specified on a computer to allow that computer to send and receive information across networks? (Choose three.)
#IP address
#subnet mask
#default gateway
13 Which Windows XP Automatic Update option allows you to select the time when a Windows update is executed?
#Automatic (recommended).
14 Which two items must be unique to each computer and cannot be duplicated on a network? (Choose two.)
#computer name
#IP address
15 Which two statements should be included in a pre-installation checklist when upgrading an operating system? (Choose two.)
#Verify that the hardware resources meet or exceed the published minimum requirements.
#Complete a full backup of all important files and data.
16 What two items are available from the About Windows option through the Windows Explorer Help menu? (Choose two.)
#the end-user license agreement
#the operating system version number
17 What are three characteristics of an operating system that is released under the GPL (GNU Public License)? (Choose three.)
#full access to source code
#software often available free
#support normally user-based and often free
18 Which statement is true about installing an operating system on computers in a networked environment?
#The computer name must be unique for all computers on the same network.
19 A computer in the Advanced Technology Center computer room on the second floor, room number 217, has the computer name ATC_217_7. What fact is true about the computer name?
#The name makes it easier for users to reference the device when connecting to it to share resources.
20 Which operating system patch installation method is used when a user is notified of a security update for remotely accessing a computer, but wishes not to install this patch?
#prompt for permission
#CLI
2 What occurs when computers are configured to receive their network configurations dynamically?
#Each computer requests configuration information from a server.
3 An operating system is severely damaged. All data on the partition needs to be deleted, and all application software must be reinstalled. Which installation method should be used to correct the problem?
#clean install
4 Which Windows file system is more likely to be used in an enterprise-level environment?
#NTFS
5 What are two ways that a user can interact with an operating system shell? (Choose two.)
#CLI
#GUI
6 Windows XP has a known problem with specific Intel processors. What is the best course of action to take in this situation?
#Download and install the Windows patch that fixes this problem.
7 The Lesson TaskMaster application from ChalkBoard has a problem. Every time the software is installed and loaded on a Windows XP-based Dell computer, and the moment something is typed followed by a tab, two tabs are inserted instead of one. What would be the best solution to this problem?
#Download, install, and apply a patch from ChalkBoard.
8 Which two statements are true about drive partitions? (Choose two.)
#Partitions are necessary in multi-boot installations.
#A hard drive can be divided into an operating system partition and a data partition.
9 What is the purpose of a default gateway?
#identifies the device that allows local network computers to communicate with devices on other networks
10 What Explorer menu option is used to determine the Windows XP version installed on a computer?
#Help
11 Which three resource specifications are given by the manufacturer to ensure that an operating system performs as designed? (Choose three.)
#required hard disk space
#processor type and speed
#recommended amount of RAM
12 Which three pieces of information must be specified on a computer to allow that computer to send and receive information across networks? (Choose three.)
#IP address
#subnet mask
#default gateway
13 Which Windows XP Automatic Update option allows you to select the time when a Windows update is executed?
#Automatic (recommended).
14 Which two items must be unique to each computer and cannot be duplicated on a network? (Choose two.)
#computer name
#IP address
15 Which two statements should be included in a pre-installation checklist when upgrading an operating system? (Choose two.)
#Verify that the hardware resources meet or exceed the published minimum requirements.
#Complete a full backup of all important files and data.
16 What two items are available from the About Windows option through the Windows Explorer Help menu? (Choose two.)
#the end-user license agreement
#the operating system version number
17 What are three characteristics of an operating system that is released under the GPL (GNU Public License)? (Choose three.)
#full access to source code
#software often available free
#support normally user-based and often free
18 Which statement is true about installing an operating system on computers in a networked environment?
#The computer name must be unique for all computers on the same network.
19 A computer in the Advanced Technology Center computer room on the second floor, room number 217, has the computer name ATC_217_7. What fact is true about the computer name?
#The name makes it easier for users to reference the device when connecting to it to share resources.
20 Which operating system patch installation method is used when a user is notified of a security update for remotely accessing a computer, but wishes not to install this patch?
#prompt for permission
CHAPTER3
1 Which
two statements concerning networking standards are true? (Choose two.)
#provides consistent interconnections across networks
#simplifies new product development
2 Which two items are included in a network logical map? (Choose two.)
#naming scheme
#IP addressing scheme
3 What is a reason for disabling simple file sharing?
#It enables the user to set more specific security access levels.
4 Which address does an NIC use when deciding whether to accept a frame?
#destination MAC address
5 If the default gateway is configured incorrectly on the host, what is the impact on communications?
#The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks.
6
Refer to the graphic. What does the router do after it determines that a data packet from Network 1 should be forwarded to Network 2?
#It reassembles the frame with different MAC addresses than the original frame.
7 What is the function of the FCS field in an Ethernet frame?
#detects transmission errors
8 Host A needs to learn the MAC address of Host B, which is on the same LAN segment. A message has been sent to all the hosts on the segment asking for the MAC address of Host B. Host B responds with its MAC address and all other hosts disregard the request. What protocol was used in this scenario?
#ARP
9 What is a benefit of having a router within the distribution layer?
#keeps broadcasts contained within a local network
10 Which term is used to describe the process of placing one message format into another format so that the message can be delivered across the appropriate medium?
#encapsulation
11 Which table does a router use to make decisions about the interface through which a data packet is to be sent?
#routing table
12 Which two networking devices are used to connect hosts to the access layer? (Choose two.)
#hub
#switch
13 What does the 100 mean when referencing the 100BASE-T Ethernet standard?
#speed of transmission
14 What device is typically used as the default gateway for a computer?
#the router interface closest to the computer
15
Refer to the graphic. Five PCs are connected through a hub. If host H1 wants to reply to a message from host H2, which statement is true?
#H1 sends a unicast message to H2, but the hub forwards it to all devices.
16 Which type of address is used in an Ethernet frame header?
#MAC addresses only
17 A switch receives a frame with a destination MAC address that is currently not in the MAC table. What action does the switch perform?
#It floods the frame out of all active ports, except the origination port.
18 Which device accepts a message on one port and always forwards the message to all other ports?
#hub
19 What type of route allows a router to forward packets even though its routing table contains no specific route to the destination network?
#default route
20 An integrated router can normally perform the functions of which two other network devices? (Choose two.)
#switch
#wireless access point
21 What is the purpose of logical addresses in an IP network?
#They are used to determine which host device accepts the frame.
#provides consistent interconnections across networks
#simplifies new product development
2 Which two items are included in a network logical map? (Choose two.)
#naming scheme
#IP addressing scheme
3 What is a reason for disabling simple file sharing?
#It enables the user to set more specific security access levels.
4 Which address does an NIC use when deciding whether to accept a frame?
#destination MAC address
5 If the default gateway is configured incorrectly on the host, what is the impact on communications?
#The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks.
6
Refer to the graphic. What does the router do after it determines that a data packet from Network 1 should be forwarded to Network 2?
#It reassembles the frame with different MAC addresses than the original frame.
7 What is the function of the FCS field in an Ethernet frame?
#detects transmission errors
8 Host A needs to learn the MAC address of Host B, which is on the same LAN segment. A message has been sent to all the hosts on the segment asking for the MAC address of Host B. Host B responds with its MAC address and all other hosts disregard the request. What protocol was used in this scenario?
#ARP
9 What is a benefit of having a router within the distribution layer?
#keeps broadcasts contained within a local network
10 Which term is used to describe the process of placing one message format into another format so that the message can be delivered across the appropriate medium?
#encapsulation
11 Which table does a router use to make decisions about the interface through which a data packet is to be sent?
#routing table
12 Which two networking devices are used to connect hosts to the access layer? (Choose two.)
#hub
#switch
13 What does the 100 mean when referencing the 100BASE-T Ethernet standard?
#speed of transmission
14 What device is typically used as the default gateway for a computer?
#the router interface closest to the computer
15
Refer to the graphic. Five PCs are connected through a hub. If host H1 wants to reply to a message from host H2, which statement is true?
#H1 sends a unicast message to H2, but the hub forwards it to all devices.
16 Which type of address is used in an Ethernet frame header?
#MAC addresses only
17 A switch receives a frame with a destination MAC address that is currently not in the MAC table. What action does the switch perform?
#It floods the frame out of all active ports, except the origination port.
18 Which device accepts a message on one port and always forwards the message to all other ports?
#hub
19 What type of route allows a router to forward packets even though its routing table contains no specific route to the destination network?
#default route
20 An integrated router can normally perform the functions of which two other network devices? (Choose two.)
#switch
#wireless access point
21 What is the purpose of logical addresses in an IP network?
#They are used to determine which host device accepts the frame.
CHAPTER4
1
Which definition describes the term Internet?
#a network of networks that connects countries around the world
2 What type of connection point is a point of presence (POP)?
#between an ISP and a home-based LAN
3 What is the term for the group of high-speed data links that interconnect ISPs?
#Internet backbone
4 What are three characteristics of business class ISP service? (Choose three.)
# fast connections
# extra web space
# additional e-mail accounts
5 What does the tracert command test?
#the network path to a destination
6 What is a major characteristic of asymmetric Internet service?
#Upload speeds and download speeds are different.
7 Which three elements are required to successfully connect to the Internet? (Choose three.)
#an IP address
#a network connection
#access to an Internet service provider
8 Which two places are most appropriate to use UTP cabling? (Choose two.)
# in a home office network
# inside a school building
9 Which device can act as a router, switch, and wireless access point in one package?
#ISR
10 What type of end-user connectivity requires that an ISP have a DSLAM device in their network?
#digital subscriber line technology
11 Why would an ISP require a CMTS device on their network?
#to connect end users using cable technology
12
Refer to the graphic. What type of cabling is shown?
#fiber
13
Refer to the graphic. What type of cabling is shown?
#UTP
14 Which two characteristics describe copper patch panels? (Choose two.)
#uses RJ-45 jacks
#allows quick rearrangements of network connections
15 What term describes each router through which a packet travels when moving between source and destination networks?
#hop
16 What does adherence to cabling standards ensure?
# reliable data communications
17 What connector is used to terminate Ethernet unshielded twisted pair (UTP) cabling?
# RJ-45
18
Refer to the graphic. What type of cable is shown?
#crossover
19 What are two advantages of cable management? (Choose two.)
#aids in isolation of cabling problems
#protects cables from physical damage
20 What are two common causes of signal degradation when using UTP cabling? (Choose two.)
#having improper termination
#using low quality cables or connectors
21 What are three commonly followed standards for constructing and installing cabling? (Choose three.)
#pinouts
#cable lengths
#connector types
#a network of networks that connects countries around the world
2 What type of connection point is a point of presence (POP)?
#between an ISP and a home-based LAN
3 What is the term for the group of high-speed data links that interconnect ISPs?
#Internet backbone
4 What are three characteristics of business class ISP service? (Choose three.)
# fast connections
# extra web space
# additional e-mail accounts
5 What does the tracert command test?
#the network path to a destination
6 What is a major characteristic of asymmetric Internet service?
#Upload speeds and download speeds are different.
7 Which three elements are required to successfully connect to the Internet? (Choose three.)
#an IP address
#a network connection
#access to an Internet service provider
8 Which two places are most appropriate to use UTP cabling? (Choose two.)
# in a home office network
# inside a school building
9 Which device can act as a router, switch, and wireless access point in one package?
#ISR
10 What type of end-user connectivity requires that an ISP have a DSLAM device in their network?
#digital subscriber line technology
11 Why would an ISP require a CMTS device on their network?
#to connect end users using cable technology
12
Refer to the graphic. What type of cabling is shown?
#fiber
13
Refer to the graphic. What type of cabling is shown?
#UTP
14 Which two characteristics describe copper patch panels? (Choose two.)
#uses RJ-45 jacks
#allows quick rearrangements of network connections
15 What term describes each router through which a packet travels when moving between source and destination networks?
#hop
16 What does adherence to cabling standards ensure?
# reliable data communications
17 What connector is used to terminate Ethernet unshielded twisted pair (UTP) cabling?
# RJ-45
18
Refer to the graphic. What type of cable is shown?
#crossover
19 What are two advantages of cable management? (Choose two.)
#aids in isolation of cabling problems
#protects cables from physical damage
20 What are two common causes of signal degradation when using UTP cabling? (Choose two.)
#having improper termination
#using low quality cables or connectors
21 What are three commonly followed standards for constructing and installing cabling? (Choose three.)
#pinouts
#cable lengths
#connector types
CHAPTER5
1 Which
two statements describe packets that are sent through a Linksys integrated
router using NAT? (Choose two.)
#Packets that are sent to a destination outside the local network need to be translated.
#Packets that are sent between hosts on the same local network do not need to be translated.
2 A PC obtains its IP address from a DHCP server. If the PC is taken off the network for repair, what happens to the IP address configuration?
#The address is returned to the pool for reuse when the lease expires.
3 What is the destination MAC address in a multicast Ethernet frame?
#an address that begins with 01-00-5E in hexadecimal
4 How many bits are available for Class B host IP addresses using a default subnet mask?
#16
5 Which default subnet mask provides the most host bits?
#255.0.0.0
6
Refer to the graphic. NAT and DHCP are installed on the Linksys integrated router. Which IP address is most likely to be assigned to the local computer, Host1?
#10.0.0.17
7
Refer to the graphic. The host requests an IP configuration from the Linksys integrated router which is configured to provide DHCP services. In addition to the host IP address, which additional IP address is provided that will allow the host to access the ISP and the Internet?
#internal IP address of the integrated router that connects to the local network
8
Refer to the graphic. A user at the workstation cannot connect to the server. All cables have been tested and are working and all devices have IP addressing. However, the user cannot ping the server. What is causing the problem?
#The workstation and server are on different logical networks.
9 Which part of an IP address identifies a specific device on a network?
#host portion
10 Which type of server dynamically assigns an IP address to a host?
#DHCP
11 What is one of the purposes of NAT?
#prevents external users from detecting the IP addresses used on a network
12 Assuming a default mask, which portion of the IP address 175.124.35.4 represents the host?
#35.4
13 How large are IPv4 addresses?
#32 bits
14 Which statement is true concerning private IP addresses?
#solves the issue of a finite number of available public IP addresses
15 Yvonne is talking to her friend on the phone. What type of message is this?
#unicast
16 Which of the following are private IP addresses? (Choose three.)
#10.1.1.1
#172.16.4.4
#192.168.5.5
17 Which three statements describe a DHCP Discover message? (Choose three.)
#The destination IP address is 255.255.255.255.
#The message comes from a client seeking an IP address.
#All hosts receive the message, but only a DHCP server replies.
18 What destination IP address is used in a unicast packet?
#a specific host
19 How many usable hosts are available given a Class C IP address with the default subnet mask?
#254
20 What information must be included within a unicast message for it to be delivered on an Ethernet network?
#MAC and IP addresses that correspond to a specific destination host
21 A host with the IP address 172.32.65.13 and a default mask belongs to what network?
#172.32.0.0
#Packets that are sent to a destination outside the local network need to be translated.
#Packets that are sent between hosts on the same local network do not need to be translated.
2 A PC obtains its IP address from a DHCP server. If the PC is taken off the network for repair, what happens to the IP address configuration?
#The address is returned to the pool for reuse when the lease expires.
3 What is the destination MAC address in a multicast Ethernet frame?
#an address that begins with 01-00-5E in hexadecimal
4 How many bits are available for Class B host IP addresses using a default subnet mask?
#16
5 Which default subnet mask provides the most host bits?
#255.0.0.0
6
Refer to the graphic. NAT and DHCP are installed on the Linksys integrated router. Which IP address is most likely to be assigned to the local computer, Host1?
#10.0.0.17
7
Refer to the graphic. The host requests an IP configuration from the Linksys integrated router which is configured to provide DHCP services. In addition to the host IP address, which additional IP address is provided that will allow the host to access the ISP and the Internet?
#internal IP address of the integrated router that connects to the local network
8
Refer to the graphic. A user at the workstation cannot connect to the server. All cables have been tested and are working and all devices have IP addressing. However, the user cannot ping the server. What is causing the problem?
#The workstation and server are on different logical networks.
9 Which part of an IP address identifies a specific device on a network?
#host portion
10 Which type of server dynamically assigns an IP address to a host?
#DHCP
11 What is one of the purposes of NAT?
#prevents external users from detecting the IP addresses used on a network
12 Assuming a default mask, which portion of the IP address 175.124.35.4 represents the host?
#35.4
13 How large are IPv4 addresses?
#32 bits
14 Which statement is true concerning private IP addresses?
#solves the issue of a finite number of available public IP addresses
15 Yvonne is talking to her friend on the phone. What type of message is this?
#unicast
16 Which of the following are private IP addresses? (Choose three.)
#10.1.1.1
#172.16.4.4
#192.168.5.5
17 Which three statements describe a DHCP Discover message? (Choose three.)
#The destination IP address is 255.255.255.255.
#The message comes from a client seeking an IP address.
#All hosts receive the message, but only a DHCP server replies.
18 What destination IP address is used in a unicast packet?
#a specific host
19 How many usable hosts are available given a Class C IP address with the default subnet mask?
#254
20 What information must be included within a unicast message for it to be delivered on an Ethernet network?
#MAC and IP addresses that correspond to a specific destination host
21 A host with the IP address 172.32.65.13 and a default mask belongs to what network?
#172.32.0.0
CHAPTER6
1 What is
the correct order of the layers of the OSI reference model, starting at the
lowest layer and working up the model?
#physical, data link, network, transport, session, presentation, application
2 What three items are contained in an Ethernet header and trailer? (Choose three.)
#source MAC address
#destination MAC address
#error-checking information
3 Which protocols are TCP/IP application layer protocols? (Choose two.)
#FTP
#SMTP
4
Refer to the graphic. Which protocol is used to access this website?
#HTTP
5 What is an advantage of the use of layers in the OSI reference model?
#It prevents changes in one layer from affecting other layers.
6 What term is used to describe how TCP/IP protocols are layered and interact to format, address, and transmit information across a network?
#protocol stack
7 Whenever e-mail clients send letters, what device is used to translate the domain names into their associated IP addresses?
#DNS server
8 An Internet server is running both FTP and HTTP services. How does the server know which of these applications should handle an incoming segment?
#The segment destination port number identifies the application that should handle it.
9 You are creating a network-based video game. What influences your decision about which transport protocol to use for the application?
#UDP will not disrupt the game to retransmit dropped packets.
10 Which port number is used by SMTP?
#25
11 Which application is most likely used to translate www.cisco.com to 198.133.219.25?
#DNS
12 Which of the following are layers of the TCP/IP model? (Choose three.)
#Application
#Internet
#Network Access
13 Which protocol is used by e-mail servers to communicate with each other?
#SMTP
14 What client software enables logged in users to communicate with other logged in users in real time?
#instant messaging
15 What type of server would use IMAP?
#e-mail
16 What resolves a website URL to an IP address?
#DNS server
17 What information is contained in an IP header?
#source and destination IP addresses
18 Which protocol is used by FTP to transfer files over the Internet?
#TCP
19 A client has decoded a frame and started the de-encapsulation process. In which order does the de-encapsulation process occur?
1) remove Ethernet header and trailer
2) remove IP header
3) remove TCP header
4) pass data to the application
20 A device receives an Ethernet frame and recognizes the MAC address as its own. What does the device do to the message to get to the encapsulated data?
#removes the Ethernet header and trailer
21 Cabling issues are associated with which OSI layer?
#1
22 A network client in a corporate environment reboots. Which type of server would most likely be used first?
#DNS
#physical, data link, network, transport, session, presentation, application
2 What three items are contained in an Ethernet header and trailer? (Choose three.)
#source MAC address
#destination MAC address
#error-checking information
3 Which protocols are TCP/IP application layer protocols? (Choose two.)
#FTP
#SMTP
4
Refer to the graphic. Which protocol is used to access this website?
#HTTP
5 What is an advantage of the use of layers in the OSI reference model?
#It prevents changes in one layer from affecting other layers.
6 What term is used to describe how TCP/IP protocols are layered and interact to format, address, and transmit information across a network?
#protocol stack
7 Whenever e-mail clients send letters, what device is used to translate the domain names into their associated IP addresses?
#DNS server
8 An Internet server is running both FTP and HTTP services. How does the server know which of these applications should handle an incoming segment?
#The segment destination port number identifies the application that should handle it.
9 You are creating a network-based video game. What influences your decision about which transport protocol to use for the application?
#UDP will not disrupt the game to retransmit dropped packets.
10 Which port number is used by SMTP?
#25
11 Which application is most likely used to translate www.cisco.com to 198.133.219.25?
#DNS
12 Which of the following are layers of the TCP/IP model? (Choose three.)
#Application
#Internet
#Network Access
13 Which protocol is used by e-mail servers to communicate with each other?
#SMTP
14 What client software enables logged in users to communicate with other logged in users in real time?
#instant messaging
15 What type of server would use IMAP?
16 What resolves a website URL to an IP address?
#DNS server
17 What information is contained in an IP header?
#source and destination IP addresses
18 Which protocol is used by FTP to transfer files over the Internet?
#TCP
19 A client has decoded a frame and started the de-encapsulation process. In which order does the de-encapsulation process occur?
1) remove Ethernet header and trailer
2) remove IP header
3) remove TCP header
4) pass data to the application
20 A device receives an Ethernet frame and recognizes the MAC address as its own. What does the device do to the message to get to the encapsulated data?
#removes the Ethernet header and trailer
21 Cabling issues are associated with which OSI layer?
#1
22 A network client in a corporate environment reboots. Which type of server would most likely be used first?
#DNS
CHAPTER 7
1 Complete
the following sentence: WEP is used to ______ , and EAP is used to _____
wireless networks.
#encrypt; authenticate users on
2 What are three advantages of wireless over wired technology? (Choose three.)
#anytime, anywhere connectivity
#ease of adding additional devices
3 A technician has been asked to provide wireless connectivity to the wired Ethernet network of a building. Which three factors affect the number of access points needed? (Choose three.)
#the size of the building
#the number of solid interior walls in the building
#the presence of microwave ovens in several offices
4 Which statement is true concerning wireless bridges?
#connects two networks with a wireless link
5
Refer to the graphic. In the Wireless menu option of a Linksys integrated router, what does the Network Mode option Mixed mean?
#The router supports 802.11b, 802.11g, and 802.11n devices.
6 Why is IEEE 802.11 wireless technology able to transmit further distances than Bluetooth technology?
#has higher power output
7 Which statement is true concerning an ad-hoc wireless network?
#created by connecting wireless clients in a peer-to-peer network
8 What is the difference between using open authentication and pre-shared keys?
#Pre-shared keys require an encrypted secret word. Open authentication does not require a secret word.
9 Which statement is true about open authentication when it is enabled on an access point?
#requires no authentication
10 Which WLAN component is commonly referred to as an STA?
#wireless client
11 Which two statements about a service set identifier (SSID) are true? (Choose two.)
#tells a wireless device to which WLAN it belongs
#all wireless devices on the same WLAN must have the same SSID
12 Why is security so important in wireless networks?
#Wireless networks broadcast data over a medium that allows easy access.
13 What term describes the encoding of wireless data to prevent intercepted data from being read by a hacker?
#encryption
14 What type of authentication do most access points use by default?
#Open
15 What are two authentication methods that an access point could use? (Choose two.)
#EAP
#pre-shared keys
16 What are two benefits of wireless networking over wired networking? (Choose two.)
#mobility
#reduced installation time
17
Refer to the graphic. In the Wireless menu of a Linksys integrated router, what configuration option allows the presence of the access point to be known to nearby clients?
#SSID Broadcast
18 What are the two WEP key lengths? (Choose two.)
#64 bit
#128 bit
19 Which two statements characterize wireless network security? (Choose two.)
#With SSID broadcast disabled, an attacker must know the SSID to connect.
#Using the default IP address on an access point makes hacking easier.
20 What does the Wi-Fi logo indicate about a wireless device?
#The device is interoperable with other devices of the same standard that also display the Wi-Fi logo.
21 What access-point feature allows a network administrator to define what type of data can enter the wireless network?
#traffic filtering
#encrypt; authenticate users on
2 What are three advantages of wireless over wired technology? (Choose three.)
#anytime, anywhere connectivity
#ease of adding additional devices
3 A technician has been asked to provide wireless connectivity to the wired Ethernet network of a building. Which three factors affect the number of access points needed? (Choose three.)
#the size of the building
#the number of solid interior walls in the building
#the presence of microwave ovens in several offices
4 Which statement is true concerning wireless bridges?
#connects two networks with a wireless link
5
Refer to the graphic. In the Wireless menu option of a Linksys integrated router, what does the Network Mode option Mixed mean?
#The router supports 802.11b, 802.11g, and 802.11n devices.
6 Why is IEEE 802.11 wireless technology able to transmit further distances than Bluetooth technology?
#has higher power output
7 Which statement is true concerning an ad-hoc wireless network?
#created by connecting wireless clients in a peer-to-peer network
8 What is the difference between using open authentication and pre-shared keys?
#Pre-shared keys require an encrypted secret word. Open authentication does not require a secret word.
9 Which statement is true about open authentication when it is enabled on an access point?
#requires no authentication
10 Which WLAN component is commonly referred to as an STA?
#wireless client
11 Which two statements about a service set identifier (SSID) are true? (Choose two.)
#tells a wireless device to which WLAN it belongs
#all wireless devices on the same WLAN must have the same SSID
12 Why is security so important in wireless networks?
#Wireless networks broadcast data over a medium that allows easy access.
13 What term describes the encoding of wireless data to prevent intercepted data from being read by a hacker?
#encryption
14 What type of authentication do most access points use by default?
#Open
15 What are two authentication methods that an access point could use? (Choose two.)
#EAP
#pre-shared keys
16 What are two benefits of wireless networking over wired networking? (Choose two.)
#mobility
#reduced installation time
17
Refer to the graphic. In the Wireless menu of a Linksys integrated router, what configuration option allows the presence of the access point to be known to nearby clients?
#SSID Broadcast
18 What are the two WEP key lengths? (Choose two.)
#64 bit
#128 bit
19 Which two statements characterize wireless network security? (Choose two.)
#With SSID broadcast disabled, an attacker must know the SSID to connect.
#Using the default IP address on an access point makes hacking easier.
20 What does the Wi-Fi logo indicate about a wireless device?
#The device is interoperable with other devices of the same standard that also display the Wi-Fi logo.
21 What access-point feature allows a network administrator to define what type of data can enter the wireless network?
#traffic filtering
CHAPTER 8
1 Identify
three techniques used in social engineering. (Choose three.)
#vishing
#phishing
#pretexting
2 A flood of packets with invalid source-IP addresses requests a connection on the network. The server busily tries to respond, resulting in valid requests being ignored. What type of attack occurred?
#SYN flooding
3 While surfing the Internet, a user notices a box claiming a prize has been won. The user opens the box unaware that a program is being installed. An intruder now accesses the computer and retrieves personal information. What type of attack occurred?
#Trojan horse
4 What is a major characteristic of a Worm?
#exploits vulnerabilities with the intent of propagating itself across a network
5 During a pretexting event, how is a target typically contacted?
#by phone
6 What term is used to describe a dedicated hardware device that provides firewall services?
#appliance-based
7
Refer to the graphic. In the Linksys Security menu, what does the SPI Firewall Protection option Enabled provide?
#It requires that packets coming into the router be responses to internal host requests.
8 Many best practices exist for wired and wireless network security. The list below has one item that is not a best practice. Identify the recommendation that is not a best practice for wired and wireless security.
#Disable the wireless network when a vulnerability analysis is being performed.
9 What environment would be best suited for a two-firewall network design?
#a large corporate environment
10 Which statement is true about port forwarding within a Linksys integrated router?
#Only external traffic that is destined for specific internal ports is permitted. All other traffic is denied.
11 Which two statements are true concerning anti-spam software? (Choose two.)
#When anti-spam software is loaded, legitimate e-mail may be classified as spam by mistake.
#Even with anti-spam software installed, users should be careful when opening e-mail attachments.
12 What type of advertising is typically annoying and associated with a specific website that is being visited?
#popups
13 To which part of the network does the wireless access point part of a Linksys integrated router connect?
#internal
14 What statement is true about security configuration on a Linksys integrated router?
#Internet access can be denied for specific days and times.
15 Which abbreviation refers to an area of the network that is accessible by both internal, or trusted, as well as external, or untrusted, host devices?
#DMZ
16 Which statement is true regarding anti-virus software?
#Only after a virus is known can an anti-virus update be created for it.
17 What is one function that is provided by a vulnerability analysis tool?
#It identifies missing security updates on a computer.
18 What part of the security policy states what applications and usages are permitted or denied?
#acceptable use
19 What best practice relates to wireless access point security?
#a change of the default IP address
20 What is a widely distributed approach to marketing on the Internet that advertises to as many individual users as possible via IM or e-mail?
#spam
#vishing
#phishing
#pretexting
2 A flood of packets with invalid source-IP addresses requests a connection on the network. The server busily tries to respond, resulting in valid requests being ignored. What type of attack occurred?
#SYN flooding
3 While surfing the Internet, a user notices a box claiming a prize has been won. The user opens the box unaware that a program is being installed. An intruder now accesses the computer and retrieves personal information. What type of attack occurred?
#Trojan horse
4 What is a major characteristic of a Worm?
#exploits vulnerabilities with the intent of propagating itself across a network
5 During a pretexting event, how is a target typically contacted?
#by phone
6 What term is used to describe a dedicated hardware device that provides firewall services?
#appliance-based
7
Refer to the graphic. In the Linksys Security menu, what does the SPI Firewall Protection option Enabled provide?
#It requires that packets coming into the router be responses to internal host requests.
8 Many best practices exist for wired and wireless network security. The list below has one item that is not a best practice. Identify the recommendation that is not a best practice for wired and wireless security.
#Disable the wireless network when a vulnerability analysis is being performed.
9 What environment would be best suited for a two-firewall network design?
#a large corporate environment
10 Which statement is true about port forwarding within a Linksys integrated router?
#Only external traffic that is destined for specific internal ports is permitted. All other traffic is denied.
11 Which two statements are true concerning anti-spam software? (Choose two.)
#When anti-spam software is loaded, legitimate e-mail may be classified as spam by mistake.
#Even with anti-spam software installed, users should be careful when opening e-mail attachments.
12 What type of advertising is typically annoying and associated with a specific website that is being visited?
#popups
13 To which part of the network does the wireless access point part of a Linksys integrated router connect?
#internal
14 What statement is true about security configuration on a Linksys integrated router?
#Internet access can be denied for specific days and times.
15 Which abbreviation refers to an area of the network that is accessible by both internal, or trusted, as well as external, or untrusted, host devices?
#DMZ
16 Which statement is true regarding anti-virus software?
#Only after a virus is known can an anti-virus update be created for it.
17 What is one function that is provided by a vulnerability analysis tool?
#It identifies missing security updates on a computer.
18 What part of the security policy states what applications and usages are permitted or denied?
#acceptable use
19 What best practice relates to wireless access point security?
#a change of the default IP address
20 What is a widely distributed approach to marketing on the Internet that advertises to as many individual users as possible via IM or e-mail?
#spam
CHAPTER 9
1 A
technician is unsuccessful in establishing a console session between a PC and a
Linksys integrated router. Both devices have power, and a cable is connected
between them. Which two troubleshooting steps could help to diagnose this
problem? (Choose two.)
#Ensure the correct cable is used.
#Ensure the link status LED on the integrated router is lit.
2 Identify two physical-layer network problems. (Choose two.)
#hardware failure
#loose cable connections
3 Only one workstation on a particular network cannot reach the Internet. What is the first troubleshooting step if the divide-and-conquer method is being used?
#Check the workstation TCP/IP configuration.
4 Which two troubleshooting techniques are suitable for both home networks and large corporate networks? (Choose two.)
#documenting the troubleshooting process
#keeping a record of system upgrades and software versions
5 What two items could be checked to verify connectivity between the router and the ISP? (Choose two.)
#router status page
#connectivity status as indicated by LEDs
6 When acting as a DHCP server, what three types of information can an ISR provide to a client? (Choose three.)
#default gateway
#dynamic IP address
#DNS server address
7 A customer called the cable company to report that the Internet connection is unstable. After trying several configuration changes, the technician decided to send the customer a new cable modem to try. What troubleshooting technique does this represent?
#substitution
8 Which troubleshooting method begins by examining cable connections and wiring issues?
#bottom-up
9 What command is used to determine the location of delay for a packet traversing the Internet?
#tracert
10 A technician suspects that a Linksys integrated router is the source of a network problem. While troubleshooting, the technician notices a blinking green activity LED on some of the ports. What does this indicate?
#The ports are operational and are receiving traffic.
11 Which three settings must match on the client and access point for a wireless connection to occur? (Choose three.)
#SSID
#authentication
#encryption key
12 What should a network administrator do first after receiving a call from a user who cannot access the company web server?
#Ask the user what URL has been typed and what error message displays.
13
Refer to the graphic. What configuration is incorrect in the network shown?
#The wired connection is the wrong type of cable.
14 A technician is troubleshooting a security breach on a new wireless access point. Which three configuration settings make it easy for hackers to gain access? (Choose three.)
#broadcasting the SSID
#using open authentication
#using the default internal IP address
15
Refer to the graphic. What configuration is incorrect in the network shown?
#The host IP address is incorrect.
16 Typically, help desk personnel assist end users in which two tasks? (Choose two.)
#identifying when the problem occurred
#implementing the solution to the problem
17 Network baselines should be performed in which two situations? (Choose two.)
#after the network is installed and running optimally
#after major changes are implemented on the network
18 Which two items should be added to the documentation following a troubleshooting event? (Choose two.)
#final resolution
#results of successful and unsuccessful troubleshooting steps
19 A PC is plugged into a switch and is unable to connect to the network. The UTP cable is suspected. What could be the problem?
#A crossover cable is being used.
20 Which ipconfig command requests IP configuration from a DHCP server?
#ipconfig /renew
21
Refer to the graphic. The wireless host cannot access the Internet, but the wired host can. What is the problem?
#The host WEP key is incorrect.
22 How does remote-access software help in the troubleshooting process?
#Diagnostics can be run without a technician being present at the site.
23 What command is used to determine if a DNS server is providing name resolution?
#nslookup
#Ensure the correct cable is used.
#Ensure the link status LED on the integrated router is lit.
2 Identify two physical-layer network problems. (Choose two.)
#hardware failure
#loose cable connections
3 Only one workstation on a particular network cannot reach the Internet. What is the first troubleshooting step if the divide-and-conquer method is being used?
#Check the workstation TCP/IP configuration.
4 Which two troubleshooting techniques are suitable for both home networks and large corporate networks? (Choose two.)
#documenting the troubleshooting process
#keeping a record of system upgrades and software versions
5 What two items could be checked to verify connectivity between the router and the ISP? (Choose two.)
#router status page
#connectivity status as indicated by LEDs
6 When acting as a DHCP server, what three types of information can an ISR provide to a client? (Choose three.)
#default gateway
#dynamic IP address
#DNS server address
7 A customer called the cable company to report that the Internet connection is unstable. After trying several configuration changes, the technician decided to send the customer a new cable modem to try. What troubleshooting technique does this represent?
#substitution
8 Which troubleshooting method begins by examining cable connections and wiring issues?
#bottom-up
9 What command is used to determine the location of delay for a packet traversing the Internet?
#tracert
10 A technician suspects that a Linksys integrated router is the source of a network problem. While troubleshooting, the technician notices a blinking green activity LED on some of the ports. What does this indicate?
#The ports are operational and are receiving traffic.
11 Which three settings must match on the client and access point for a wireless connection to occur? (Choose three.)
#SSID
#authentication
#encryption key
12 What should a network administrator do first after receiving a call from a user who cannot access the company web server?
#Ask the user what URL has been typed and what error message displays.
13
Refer to the graphic. What configuration is incorrect in the network shown?
#The wired connection is the wrong type of cable.
14 A technician is troubleshooting a security breach on a new wireless access point. Which three configuration settings make it easy for hackers to gain access? (Choose three.)
#broadcasting the SSID
#using open authentication
#using the default internal IP address
15
Refer to the graphic. What configuration is incorrect in the network shown?
#The host IP address is incorrect.
16 Typically, help desk personnel assist end users in which two tasks? (Choose two.)
#identifying when the problem occurred
#implementing the solution to the problem
17 Network baselines should be performed in which two situations? (Choose two.)
#after the network is installed and running optimally
#after major changes are implemented on the network
18 Which two items should be added to the documentation following a troubleshooting event? (Choose two.)
#final resolution
#results of successful and unsuccessful troubleshooting steps
19 A PC is plugged into a switch and is unable to connect to the network. The UTP cable is suspected. What could be the problem?
#A crossover cable is being used.
20 Which ipconfig command requests IP configuration from a DHCP server?
#ipconfig /renew
21
Refer to the graphic. The wireless host cannot access the Internet, but the wired host can. What is the problem?
#The host WEP key is incorrect.
22 How does remote-access software help in the troubleshooting process?
#Diagnostics can be run without a technician being present at the site.
23 What command is used to determine if a DNS server is providing name resolution?
#nslookup
FINAL EXAM
1. Which three
statements are true about local and network applications? (Choose three.)
A local application is loaded in a local computer and can be accessed by a remote computer on the network.
A network application is loaded in a local computer and accessed from a remote computer.
A local application is loaded in a local computer and accessed only by the local computer.
A network application is loaded in a local computer and accessed only by the local computer.
An example of a local application is e-mail.
An example of a network application is instant messaging.
2. A wireless DHCP client cannot connect to the Internet through a Linksys integrated router. When you type ipconfig on the host, no IP address, subnet mask, or default gateway shows. What are two of the first things you will check? (Choose two.)
SSID
if the wireless client is configured for DHCP
the cable between client and integrated router
the firewall configuration on the integrated router
if the correct default gateway is configured on the client
if the correct default gateway is configured on the integrated router
3.
Refer to the graphic. Assume that the command output is from a wireless DHCP client that is connected to a Linksys integrated router. What can be deduced from the output?
The wireless connection is good.
The WEP key or SSID needs to be checked.
The DHCP configuration on the router needs to be checked.
The wireless NIC driver or the NIC itself needs to be reinstalled.
4. What measurement is commonly used to describe communication speed when transferring data?
bps
cps
Hz
MB
5. What is an accurate description of network devices in the distribution layer?
They are designed to interconnect individual hosts.
They are designed to interconnect multiple companies.
They are designed to interconnect local network segments.
They are designed to switch data packets as fast as possible.
6. When acting as a DHCP server, an integrated router can provide what three types of information to a client? (Choose three.)
physical address
MAC address
default gateway
static IP address
dynamic IP address
DNS server address
7. Where do ISPs get the public addresses that they assign to end users?
ISPs create the addresses themselves.
ISPs are assigned addresses through the RFC.
ISPs obtain their addresses automatically.
ISPs obtain address blocks from registry organizations.
8.
Refer to the graphic. What is the effect of setting the security mode to WEP on the Linksys integrated router?
It identifies the wireless LAN.
It allows the access point to inform clients of its presence.
It translates IP addresses into easy-to-remember domain names.
It encrypts data between the wireless client and the access point.
It ensures that only authorized users are allowed access to the WLAN.
It translates an internal address or group of addresses into an outside, public address.
9. When are leased lines typically used?
when low bandwidth is required
for home and small business connectivity
when a dedicated digital data line is necessary
as a less expensive option to cable and DSL modem service
10. Which wireless protocol is used for encryption?
EAP
Open
PSK
WEP
11 The area covered by a single AP is known as what?
ad-hoc network
basic service set
independent basic service set
extended service set
distribution system
12 Which installation option should be chosen when the current operating system is too damaged to work properly?
upgrade
multi-boot
clean install
virtualization
13 What layer is the first point of entry for a host into the network?
core layer
access layer
network layer
distribution layer
14 What two commands can be used to form a new binding if client information does not agree with the DHCP client table? (Choose two.)
ipconfig /release
ipconfig /all
ipconfig /flushdns
ipconfig /renew
ipconfig
15. What are two advantages of purchasing a custom-built computer? (Choose two.)
usually a lower cost
no waiting period for assembly
user can specify higher performance components
supports higher-end graphics and gaming applications
fewer components to replace
16 What information within a data packet does a router use, by default, to make forwarding decisions?
the destination MAC address
the destination IP address
the destination host name
the destination service requested
17 What is a service pack?
an access policy
an agreement between a company and a vendor
a piece of code created to fix one specific problem
a collection of patches and updates released by a vendor
a small piece of software designed specifically for security issues
18 What is an ISP?
It is a standards body that develops cabling and wiring standards for networking.
It is a protocol that establishes how computers within a local network communicate.
It is an organization that allows individuals and businesses to connect to the Internet.
It is a networking device that combines the functionality of several different networking devices in one.
19 Which two statements correctly describe Media Access Control (MAC) addresses? (Choose two.)
MAC addresses are used to identify a specific NIC.
MAC addresses are physical addresses.
MAC addresses contain a network number and unique host identification.
MAC addresses are always assigned to network devices by a network administrator.
MAC addresses can be dynamically assigned.
20 What is the name for the contract between a customer and an ISP that specifies requirements for uptime and service response time?
DSL
IAB
NAP
SLA
21 What are two ways that a user can interact with an operating system shell? (Choose two.)
CLI
OS
GUI
NIC
kernel
22 Select the connection that would require a straight-through cable.
a switch to a hub
a router to a switch
a switch to a switch
a router to a router
23. Choose the option that shows the correct sequence of steps in the encapsulation of TCP/IP data that is passed from a source to a destination host?
A. converts data to bits for transmission
B. packages the data for end to end transport
C. adds the data-link header and trailer
D. adds the network IP address to the header of the frame
A,B,C,D
A,C,D,B
B,D,C,A
B,C,D,A
D,C,B,A
24 What is specified by the network number in an IP address?
the network to which the host belongs
the physical identity of the computer on the network
the node of the subnetwork which is being addressed
the broadcast identity of subnetwork
25.
Refer to the graphic. What is the purpose of assigning a Network Name of Academy?
It identifies the wireless LAN.
It translates IP addresses into easy-to-remember domain names.
It encrypts data between the wireless client and the access point.
It allows access to the AP configuration GUI by name rather than address.
It translates an internal address or group of addresses into an outside, public address.
26 Which of the following statements best describes DNS?
DNS servers are used to map an IP address to a physical address.
DNS servers are used to map a name to an IP address.
DNS servers are used to configure logical address information for host computers.
DNS servers are used to translate from private addresses to public addresses.
27 Which of the following are the address ranges of the private IP addresses? (Choose three.)
10.0.0.0 to 10.255.255.255
200.100.50.0 to 200.100.25.255
150.150.0.0 to 150.150.255.255
172.16.0.0 to 172.31.255.255
192.168.0.0 to 192.168.255.255
127.16.0.0 to 127.31.255.255
28 Which protocol is used to transfer files among network devices and perform file-management functions?
DNS
FTP
HTML
HTTP
29 Select three statements that correctly describe how DHCP services may be provided. (Choose three.)
An integrated router provides IP configurations for most ISPs.
An integrated router can act as both DHCP server and DHCP client.
A home PC using a static IP address obtained that address from a DHCP server.
Most home network integrated routers receive an IP configuration directly from their ISP.
A variety of devices can act as DHCP servers, as long as they run DHCP service software.
A home PC is required by standards to obtain an IP address and default gateway from a DHCP server (usually the ISP).
A local application is loaded in a local computer and can be accessed by a remote computer on the network.
A network application is loaded in a local computer and accessed from a remote computer.
A local application is loaded in a local computer and accessed only by the local computer.
A network application is loaded in a local computer and accessed only by the local computer.
An example of a local application is e-mail.
An example of a network application is instant messaging.
2. A wireless DHCP client cannot connect to the Internet through a Linksys integrated router. When you type ipconfig on the host, no IP address, subnet mask, or default gateway shows. What are two of the first things you will check? (Choose two.)
SSID
if the wireless client is configured for DHCP
the cable between client and integrated router
the firewall configuration on the integrated router
if the correct default gateway is configured on the client
if the correct default gateway is configured on the integrated router
3.
Refer to the graphic. Assume that the command output is from a wireless DHCP client that is connected to a Linksys integrated router. What can be deduced from the output?
The wireless connection is good.
The WEP key or SSID needs to be checked.
The DHCP configuration on the router needs to be checked.
The wireless NIC driver or the NIC itself needs to be reinstalled.
4. What measurement is commonly used to describe communication speed when transferring data?
bps
cps
Hz
MB
5. What is an accurate description of network devices in the distribution layer?
They are designed to interconnect individual hosts.
They are designed to interconnect multiple companies.
They are designed to interconnect local network segments.
They are designed to switch data packets as fast as possible.
6. When acting as a DHCP server, an integrated router can provide what three types of information to a client? (Choose three.)
physical address
MAC address
default gateway
static IP address
dynamic IP address
DNS server address
7. Where do ISPs get the public addresses that they assign to end users?
ISPs create the addresses themselves.
ISPs are assigned addresses through the RFC.
ISPs obtain their addresses automatically.
ISPs obtain address blocks from registry organizations.
8.
Refer to the graphic. What is the effect of setting the security mode to WEP on the Linksys integrated router?
It identifies the wireless LAN.
It allows the access point to inform clients of its presence.
It translates IP addresses into easy-to-remember domain names.
It encrypts data between the wireless client and the access point.
It ensures that only authorized users are allowed access to the WLAN.
It translates an internal address or group of addresses into an outside, public address.
9. When are leased lines typically used?
when low bandwidth is required
for home and small business connectivity
when a dedicated digital data line is necessary
as a less expensive option to cable and DSL modem service
10. Which wireless protocol is used for encryption?
EAP
Open
PSK
WEP
11 The area covered by a single AP is known as what?
ad-hoc network
basic service set
independent basic service set
extended service set
distribution system
12 Which installation option should be chosen when the current operating system is too damaged to work properly?
upgrade
multi-boot
clean install
virtualization
13 What layer is the first point of entry for a host into the network?
core layer
access layer
network layer
distribution layer
14 What two commands can be used to form a new binding if client information does not agree with the DHCP client table? (Choose two.)
ipconfig /release
ipconfig /all
ipconfig /flushdns
ipconfig /renew
ipconfig
15. What are two advantages of purchasing a custom-built computer? (Choose two.)
usually a lower cost
no waiting period for assembly
user can specify higher performance components
supports higher-end graphics and gaming applications
fewer components to replace
16 What information within a data packet does a router use, by default, to make forwarding decisions?
the destination MAC address
the destination IP address
the destination host name
the destination service requested
17 What is a service pack?
an access policy
an agreement between a company and a vendor
a piece of code created to fix one specific problem
a collection of patches and updates released by a vendor
a small piece of software designed specifically for security issues
18 What is an ISP?
It is a standards body that develops cabling and wiring standards for networking.
It is a protocol that establishes how computers within a local network communicate.
It is an organization that allows individuals and businesses to connect to the Internet.
It is a networking device that combines the functionality of several different networking devices in one.
19 Which two statements correctly describe Media Access Control (MAC) addresses? (Choose two.)
MAC addresses are used to identify a specific NIC.
MAC addresses are physical addresses.
MAC addresses contain a network number and unique host identification.
MAC addresses are always assigned to network devices by a network administrator.
MAC addresses can be dynamically assigned.
20 What is the name for the contract between a customer and an ISP that specifies requirements for uptime and service response time?
DSL
IAB
NAP
SLA
21 What are two ways that a user can interact with an operating system shell? (Choose two.)
CLI
OS
GUI
NIC
kernel
22 Select the connection that would require a straight-through cable.
a switch to a hub
a router to a switch
a switch to a switch
a router to a router
23. Choose the option that shows the correct sequence of steps in the encapsulation of TCP/IP data that is passed from a source to a destination host?
A. converts data to bits for transmission
B. packages the data for end to end transport
C. adds the data-link header and trailer
D. adds the network IP address to the header of the frame
A,B,C,D
A,C,D,B
B,D,C,A
B,C,D,A
D,C,B,A
24 What is specified by the network number in an IP address?
the network to which the host belongs
the physical identity of the computer on the network
the node of the subnetwork which is being addressed
the broadcast identity of subnetwork
25.
Refer to the graphic. What is the purpose of assigning a Network Name of Academy?
It identifies the wireless LAN.
It translates IP addresses into easy-to-remember domain names.
It encrypts data between the wireless client and the access point.
It allows access to the AP configuration GUI by name rather than address.
It translates an internal address or group of addresses into an outside, public address.
26 Which of the following statements best describes DNS?
DNS servers are used to map an IP address to a physical address.
DNS servers are used to map a name to an IP address.
DNS servers are used to configure logical address information for host computers.
DNS servers are used to translate from private addresses to public addresses.
27 Which of the following are the address ranges of the private IP addresses? (Choose three.)
10.0.0.0 to 10.255.255.255
200.100.50.0 to 200.100.25.255
150.150.0.0 to 150.150.255.255
172.16.0.0 to 172.31.255.255
192.168.0.0 to 192.168.255.255
127.16.0.0 to 127.31.255.255
28 Which protocol is used to transfer files among network devices and perform file-management functions?
DNS
FTP
HTML
HTTP
29 Select three statements that correctly describe how DHCP services may be provided. (Choose three.)
An integrated router provides IP configurations for most ISPs.
An integrated router can act as both DHCP server and DHCP client.
A home PC using a static IP address obtained that address from a DHCP server.
Most home network integrated routers receive an IP configuration directly from their ISP.
A variety of devices can act as DHCP servers, as long as they run DHCP service software.
A home PC is required by standards to obtain an IP address and default gateway from a DHCP server (usually the ISP).
30.
Refer to the graphic. Based on the information that is shown, what statement is true?
This configuration would be commonly found in an ad hoc wireless network.
Any wireless client that is attached to this access point would have the same IP address and SSID.
All wireless devices that are connected to this access point must have an assigned SSID of Academy.
In addition to accepting wireless client requests, this access point must connect to the wired network.
31 Identify two causes of physical layer network problems. (Choose two.)
logical addressing issues
improperly terminated cables
cables plugged into wrong ports
incorrect MAC address assigned
packets received out of sequence
incorrect subnet mask on an interface
32 Which part of the electromagnetic spectrum is commonly used to exchange data between a PDA and a computer?
FM
radar
infrared
ultraviolet
33 Which of the following are transport layer protocols of the TCP/IP model? (Choose two.)
FTP
UDP
SMTP
TFTP
TCP
34 For the second time in a week, workstations on a LAN are not able to log into the server. The technician fixed the problem the first time, but cannot remember the steps taken to solve it. What aspect of the troubleshooting process has the technician neglected?
identifying the problem
asking end-users questions
documenting the troubleshooting process
using structured techniques to solve a problem
35 What action will a router take when it receives a frame with a broadcast MAC address?
It will not forward the frame to another network.
It forwards the frame back to the sending host with its IP address as a response.
It forwards the frame out of all interfaces except the interface where the frame was received.
It forwards the frame back out the receiving interface to insure all hosts on the local network receive it.
36 A network host is accessing a web server. What two protocols are most likely being used as the TCP/IP model application layer protocol and the internetwork layer protocol? (Choose two.)
IP
FTP
TCP
DHCP
HTTP
37 Which statement is true concerning stateful packet inspection?
Access is permitted based on IP addresses of the source and destination devices.
Access is permitted based on the MAC addresses of the source and destination devices.
Access is permitted only if the type of application that is attempting to reach the internal host is allowed.
Access is permitted only if it is a legitimate response to a request from an internal host.
38 What does the term "attenuation" mean in data communication?
loss of signal strength as distance increases
time for a signal to reach its destination
leakage of signals from one cable pair to another
strengthening of a signal by a networking device
39. What is the default subnet mask for a class B address?
255.0.0.0
255.255.0.0
255.255.255.0
255.255.255.255
40.
Refer to the graphic. Based on the configuration information that is shown, which three types of 802.11 networks are allowed access to the WLAN? (Choose three.)
802.11a
802.11b
802.11e
802.11g
802.11n
802.11x
41 Within a local network, which two items must be unique on a computer for it to successfully connect to the network? (Choose two.)
IP address
subnet mask
computer name
default gateway address
operating system version
42 When considering the purchase of a new operating system, what is meant by "Total Cost of Ownership?"
applications and support costs
hardware and support costs
hardware and software costs
hardware, software, and support costs
hardware, operating system, and applications costs
43 A computer joins the network and announces itself to all hosts on the LAN. What type of message does the computer send out?
broadcast
simulcast
multicast
unicast
44.
Refer to the graphic. What feature can be installed on the Linksys integrated router to convert private IP addresses to Internet-routable addresses?
authentication
DHCP
encryption
firewall
NAT
WEP
45 When terminating UTP cabling, why is it important to untwist only a small amount of each wire pair?
minimizes crosstalk
makes installation faster
ensures wires are in correct order
makes it easier to fit wires into connector
46 A host sent a message that all other hosts on the local network received and processed. What type of domain are all these hosts a part of?
local domain
multicast domain
collision domain
broadcast domain
47 Your school network blocks all websites related to online gaming. What type of security policy is being applied?
identification and authentication
remote access
acceptable use
incident handling
48.
Refer to the graphic. Assume that the exhibited output is from a host that is connected to a Linksys integrated router. What is one of the first things you should check?
IP address on the host
IP address on the router
subnet mask on the host
default gateway on the host
link status LED on the front of the router
49 The transmit pins are disconnected and only the receive pins are used.
The transmit pins are disconnected and only the receive pins are used.
The transmit pins on one device are connected to the transmit pins on the other device.
The receive pins on one device are connected to the receive pins on the other device.
The transmit pins on one device are connected to the receive pins on the other device.
50. What are two examples of storage peripheral devices? (Choose two.)
printer
flash drive
headphones
external DVD
barcode reader
51 What are the two possible values for a digital bit? (Choose two.)
0
1
A
F
#
9
52 What type of computer would most likely use a docking station?
laptop
server
desktop
mainframe
workstation
Refer to the graphic. Based on the information that is shown, what statement is true?
This configuration would be commonly found in an ad hoc wireless network.
Any wireless client that is attached to this access point would have the same IP address and SSID.
All wireless devices that are connected to this access point must have an assigned SSID of Academy.
In addition to accepting wireless client requests, this access point must connect to the wired network.
31 Identify two causes of physical layer network problems. (Choose two.)
logical addressing issues
improperly terminated cables
cables plugged into wrong ports
incorrect MAC address assigned
packets received out of sequence
incorrect subnet mask on an interface
32 Which part of the electromagnetic spectrum is commonly used to exchange data between a PDA and a computer?
FM
radar
infrared
ultraviolet
33 Which of the following are transport layer protocols of the TCP/IP model? (Choose two.)
FTP
UDP
SMTP
TFTP
TCP
34 For the second time in a week, workstations on a LAN are not able to log into the server. The technician fixed the problem the first time, but cannot remember the steps taken to solve it. What aspect of the troubleshooting process has the technician neglected?
identifying the problem
asking end-users questions
documenting the troubleshooting process
using structured techniques to solve a problem
35 What action will a router take when it receives a frame with a broadcast MAC address?
It will not forward the frame to another network.
It forwards the frame back to the sending host with its IP address as a response.
It forwards the frame out of all interfaces except the interface where the frame was received.
It forwards the frame back out the receiving interface to insure all hosts on the local network receive it.
36 A network host is accessing a web server. What two protocols are most likely being used as the TCP/IP model application layer protocol and the internetwork layer protocol? (Choose two.)
IP
FTP
TCP
DHCP
HTTP
37 Which statement is true concerning stateful packet inspection?
Access is permitted based on IP addresses of the source and destination devices.
Access is permitted based on the MAC addresses of the source and destination devices.
Access is permitted only if the type of application that is attempting to reach the internal host is allowed.
Access is permitted only if it is a legitimate response to a request from an internal host.
38 What does the term "attenuation" mean in data communication?
loss of signal strength as distance increases
time for a signal to reach its destination
leakage of signals from one cable pair to another
strengthening of a signal by a networking device
39. What is the default subnet mask for a class B address?
255.0.0.0
255.255.0.0
255.255.255.0
255.255.255.255
40.
Refer to the graphic. Based on the configuration information that is shown, which three types of 802.11 networks are allowed access to the WLAN? (Choose three.)
802.11a
802.11b
802.11e
802.11g
802.11n
802.11x
41 Within a local network, which two items must be unique on a computer for it to successfully connect to the network? (Choose two.)
IP address
subnet mask
computer name
default gateway address
operating system version
42 When considering the purchase of a new operating system, what is meant by "Total Cost of Ownership?"
applications and support costs
hardware and support costs
hardware and software costs
hardware, software, and support costs
hardware, operating system, and applications costs
43 A computer joins the network and announces itself to all hosts on the LAN. What type of message does the computer send out?
broadcast
simulcast
multicast
unicast
44.
Refer to the graphic. What feature can be installed on the Linksys integrated router to convert private IP addresses to Internet-routable addresses?
authentication
DHCP
encryption
firewall
NAT
WEP
45 When terminating UTP cabling, why is it important to untwist only a small amount of each wire pair?
minimizes crosstalk
makes installation faster
ensures wires are in correct order
makes it easier to fit wires into connector
46 A host sent a message that all other hosts on the local network received and processed. What type of domain are all these hosts a part of?
local domain
multicast domain
collision domain
broadcast domain
47 Your school network blocks all websites related to online gaming. What type of security policy is being applied?
identification and authentication
remote access
acceptable use
incident handling
48.
Refer to the graphic. Assume that the exhibited output is from a host that is connected to a Linksys integrated router. What is one of the first things you should check?
IP address on the host
IP address on the router
subnet mask on the host
default gateway on the host
link status LED on the front of the router
49 The transmit pins are disconnected and only the receive pins are used.
The transmit pins are disconnected and only the receive pins are used.
The transmit pins on one device are connected to the transmit pins on the other device.
The receive pins on one device are connected to the receive pins on the other device.
The transmit pins on one device are connected to the receive pins on the other device.
50. What are two examples of storage peripheral devices? (Choose two.)
printer
flash drive
headphones
external DVD
barcode reader
51 What are the two possible values for a digital bit? (Choose two.)
0
1
A
F
#
9
52 What type of computer would most likely use a docking station?
laptop
server
desktop
mainframe
workstation
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