Here are the answers to Tuesday's practice questions.

CCNA:

Which of the following is true of Ethernet?

A. Ethernet is a broadcast technology.

B. Ethernet is a non-broadcast technology.

C. Ethernet does not allow a device to be given priority to transmit.

D. Ethernet allows a host to be given priority to transmit over other hosts.

Answers: A, C. Ethernet is a broadcast technology, and does not allow one device to be given priority to transmit (as Token Ring does).


CCNP / BSCI:

Identify the true statements regarding ISIS.

A. Level 1 routing is intra-area routing.

B. Level 1 routing is inter-area routing.

C. Level 2 routing is intra-area routing.

D. Level 2 routing is inter-area routing.

Answers: A, D. L1 ISIS routing is intra-area, and L2 ISIS routing is inter-area.


CCNP / BCMSN:Identify the true statements regarding a switch's port cost.

A. The cost is dependent on the speed of the port.

B. The cost is static from one switch to another.

C. The root port cost is incremented as the BPDU enters the switch.

D. The root port cost is incremented as the BPDU leaves the switch.

Answers: A, C. The cost does depend on port speed, and the root port cost is incremented as the BPDU enters the switch.


CCNP / BCRAN:The status of DLCI 112 is deleted. Where is the first place you should investigate?

A. The frame switch

B. The CSU/DSU

C. The remote router

D. The local router.

Answer: D. Deleted means it's your problem, inactive means it's the other guy's problem. :)

See you Thursday with more practice questions and the answers to yesterday's questions!

To your Cisco certification success,

Chris Bryant
CCIE #19233
www.thebryantadvantage.com