CCNA Practice Exam
Which term refers to a network that provides secure access to the corporate office by
suppliers, customers, and collaborators? - answer Extranet
A small business user is looking for an ISP connection that provides high speed digital
transmission over regular phone lines. What ISP connection type should be used? –
answer DSL
An administrator is trying to configure the switch but receives the error message that is
displayed in the exhibit. What is the problem?
Switch> config t
Error - answerThe administrator must first enter the privileged EXEC mode before
issuing the command.
Which keys act as a hot key combination that is used to interrupt IOS process? -
answerCtrl-Shift-6
A network administrator is configuring access control to switch SW1. If the administrator
uses Telnet to connect to the switch, which password is needed to access user EXEC
mode?
SW1(config)# enable password letmein
SW1(config)# enable secret secretin
SW1(config)# line con 0
SW1(config-line)# password lineconin
SW1(config-line)# login
SW1(config-line)# exit
SW1(config)# line vty 0 15
SW1(config-line)# password linevtyin
SW1(config-line)# login
SW1(config-line)# end
SW1# - answerlinevtyin
A network administrator enters the service password-encryption command into the
configuration mode of a router. What does that command accomplish? - answerThis
command prevents someone from viewing the running configuration passwords.
What is the purpose of the SVI on a Cisco switch? - answerThe SVI provides a virtual
interface for remote access to the switch.
, Which message delivery option is used when all devices need to receive the same
message simultaneously? - answerBroadcast
Which two protocols function at the internet layer? (Choose Two) - answerICMP and IP
What PDU is associated with the transport layer? - answerSegment
What is done to an IP packet before it is transmitted over the physical medium? -
answerIt is encapsulated in a Layer 2 frame.
What type of communication medium is used with a wireless LAN connection? -
answerRadio Waves
In addition to the cable length, what two factors could interfere with the communication
carried over UTP cables? (Choose Two) - answerCrosstalk and Electromagnetic
Interference
What are the two sublayers of the OSI model data link layer? (Choose Two) -
answerLLC and MAC
A technician has been asked to develop a physical topology for a network provides a
high level of redundancy. Which physical topology requires that every node is attached
to every other node on the network? - answerMesh
What type of communication rule would best describe CSMA/CD? - answerAccess
Method
If data is being sent over a wireless network, then connects to an Ethernet network, and
eventually connects to a DSL connection, which header will be replaced each time the
data travels through a network infrastructure device? - answerData Link
What best described the destination IPv4 address that is used by multicasting? -
answerA single IP multicast address that is used by all destinations in a group.
In an Ethernet network, when a device receives a frame of 1200 bytes, what will it do? -
answerProcess the frame as it is.
What will a Layer 2 switch do when the destination MAC address of a received frame is
not in the MAC table? - answerIt forwards the frame out of all ports except for the port at
which the frame was received.
What are two features of ARP? (Choose Two) - answerIf a host is ready to send a
packet to a local destination device are it has the IP address but not the MAC address
of the destination, it generates an ARP broadcast.
If a device receiving an ARP request has the destination IPv4 address, it responds with
an ARP reply.
Which term refers to a network that provides secure access to the corporate office by
suppliers, customers, and collaborators? - answer Extranet
A small business user is looking for an ISP connection that provides high speed digital
transmission over regular phone lines. What ISP connection type should be used? –
answer DSL
An administrator is trying to configure the switch but receives the error message that is
displayed in the exhibit. What is the problem?
Switch> config t
Error - answerThe administrator must first enter the privileged EXEC mode before
issuing the command.
Which keys act as a hot key combination that is used to interrupt IOS process? -
answerCtrl-Shift-6
A network administrator is configuring access control to switch SW1. If the administrator
uses Telnet to connect to the switch, which password is needed to access user EXEC
mode?
SW1(config)# enable password letmein
SW1(config)# enable secret secretin
SW1(config)# line con 0
SW1(config-line)# password lineconin
SW1(config-line)# login
SW1(config-line)# exit
SW1(config)# line vty 0 15
SW1(config-line)# password linevtyin
SW1(config-line)# login
SW1(config-line)# end
SW1# - answerlinevtyin
A network administrator enters the service password-encryption command into the
configuration mode of a router. What does that command accomplish? - answerThis
command prevents someone from viewing the running configuration passwords.
What is the purpose of the SVI on a Cisco switch? - answerThe SVI provides a virtual
interface for remote access to the switch.
, Which message delivery option is used when all devices need to receive the same
message simultaneously? - answerBroadcast
Which two protocols function at the internet layer? (Choose Two) - answerICMP and IP
What PDU is associated with the transport layer? - answerSegment
What is done to an IP packet before it is transmitted over the physical medium? -
answerIt is encapsulated in a Layer 2 frame.
What type of communication medium is used with a wireless LAN connection? -
answerRadio Waves
In addition to the cable length, what two factors could interfere with the communication
carried over UTP cables? (Choose Two) - answerCrosstalk and Electromagnetic
Interference
What are the two sublayers of the OSI model data link layer? (Choose Two) -
answerLLC and MAC
A technician has been asked to develop a physical topology for a network provides a
high level of redundancy. Which physical topology requires that every node is attached
to every other node on the network? - answerMesh
What type of communication rule would best describe CSMA/CD? - answerAccess
Method
If data is being sent over a wireless network, then connects to an Ethernet network, and
eventually connects to a DSL connection, which header will be replaced each time the
data travels through a network infrastructure device? - answerData Link
What best described the destination IPv4 address that is used by multicasting? -
answerA single IP multicast address that is used by all destinations in a group.
In an Ethernet network, when a device receives a frame of 1200 bytes, what will it do? -
answerProcess the frame as it is.
What will a Layer 2 switch do when the destination MAC address of a received frame is
not in the MAC table? - answerIt forwards the frame out of all ports except for the port at
which the frame was received.
What are two features of ARP? (Choose Two) - answerIf a host is ready to send a
packet to a local destination device are it has the IP address but not the MAC address
of the destination, it generates an ARP broadcast.
If a device receiving an ARP request has the destination IPv4 address, it responds with
an ARP reply.
