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Question 1
Refer to the exhibit. PC-A and PC-B are both in VLAN 60. PC-A is unable to communicate with PC-B. What is the problem?
A. The native VLAN is being pruned from the link.
B. The trunk has been configured with the switchport nonegotiate command.
C. The native VLAN should be VLAN 60.
D. The VLAN that is used by PC-A is not in the list of allowed VLANs on the trunk.
Correct answer: D
Question 2
Which command is used to remove only VLAN 20 from a switch?
A. no switchport access vlan 20
B. no vlan 20
C. delete vlan.dat
D. delete flash:vlan.dat
Correct answer: B
Question 3
What characteristic of electricity is expressed in watts?
A. the amount of work required to move electrons through a circuit
B. the resistance to the flow of current in a circuit
C. the amount of electrons flowing through a circuit per second
D. the work required to move electrons through a circuit multiplied by the number of electrons flowing through a circuit per second
Correct answer: D
Question 4
At which layer of the OSI model would a logical address be added during encapsulation?
A. physical layer
B. data link layer
C. network layer
D. transport layer
Correct answer: C
Question 5
Which PDU format is used when bits are received from the network medium by the NIC of a host?
A. file
B. frame
C. packet
D. segment
Correct answer: B
Question 6
Which PDU is processed when a host computer is de-encapsulating a message at the transport layer of the TCP/IP model?
A. bits
B. frame
C. packet
D. segment
Correct answer: D
Question 7
Refer to the exhibit. HostA is attempting to contact ServerB. Which two statements correctly describe the addressing that HostA will generate in the process? (Choose two.)
A. A packet with the destination IP address of RouterB.
B. A frame with the destination MAC address of SwitchA.
C. A packet with the destination IP address of RouterA.
D. A frame with the destination MAC address of RouterA.
E. A packet with the destination IP address of ServerB.
F. A frame with the destination MAC address of ServerB.
Correct answer:DE
Question 8
Which address does a NIC use when deciding whether to accept a frame?
A. source IP address
B. source MAC address
C. destination IP address
D. destination MAC address
E. source Ethernet address
Correct answer: D
Question 9
What will happen if the default gateway address is incorrectly configured on a host?
A. The host cannot communicate with other hosts in the local network.
B. The switch will not forward packets initiated by the host.
C. The host will have to use ARP to determine the correct address of the default gateway.
D. The host cannot communicate with hosts in other networks.
E. A ping from the host to 127.0.0.1 would not be successful.
Correct answer:D
Question 10
Which characteristic describes the default gateway of a host computer?
A. the logical address of the router interface on the same network as the host computer
B. the physical address of the switch interface connected to the host computer
C. the physical address of the router interface on the same network as the host computer
D. the logical address assigned to the switch interface connected to the router
Correct answer: A
Conclusion
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