Cisco Systems 2 manual Answer A, D, Answer C

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Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 45-48.

Q. 23

Which of the following are unique characteristics of half-duplex Ethernet as compared to full-duplex Ethernet? (Choose two.)

A.Shared collision domain.

B.Private collision domain

C.Higher effective throughput

D.Lower effective throughput

E.Private broadcast domain

Answer: A, D

Explanation: Half-duplex Ethernet have a lower effective throughput due to shared collision domain the a full- duplex Ethernet.

Incorrect Answers:

B is incorrect; the collision domain is shared not private.

C is incorrect; half-duplex as a lower effective throughput.

E is incorrect; it is a shared collision domain not a private broadcast domain.

Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 180-182.

Q. 24

From the DOS command prompt, you are able to ping a router but are unable to telnet it. What is the most likely cause of the problem?

A.The PC has a bad network interface card.

B.The IP address of the router is on a different subnet.

C.No password has been set on the router vty lines.

D.The default gateway is not set on the PC.

E.The IP address of the workstation is incorrect.

Answer: C

Explanation: In order to telnet to a router a password must be set on the router’s vty line.

Incorrect Answers:

A is incorrect; you could not ping if there was a bad NIC.

B is incorrect; telnet is design to allow remote connections.

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