Saturday, June 21, 2008

It's Saturday, June 21, and here are the answers to yesterday's CCNA, CCENT, and CCNP practice exam questions!

CCNA And CCENT Certification:

Short answer: Convert the destination address for RIP Version 2 routing update packets into a binary string.

Answer: A "two-in-one" question, since we first have to know that the destination for RIPv2 update packets is the multicast address

Once you convert that into binary, you've got 11100000 00000000 00000000 00001001.


Which of the following statements is NOT one of the activities at the distribution layer of the Cisco Three-Layer Hierarchical Model?

A. policy routing

B. internet access

C. traffic filtering

D. address aggregation

E. end user interaction with the network

F. inter-VLAN routing

Answer: E. End users access the network at the Access layer. :)


If a port is administratively shut down, what STP state is it in?

A. blocked

B. disabled

C. listening

D. learning

E. forwarding

Answer: B. The port will not appear in the output of show spanning-tree, but STP theory considers such a port to be in Disabled mode.


Short answer: What CLI command enables the Fail Closed feature?

Answer: As seen in this SDM screen shot, it's the "ip ips fail closed" command.

CCNP / ONT Exam:

Which of the following results in the least jitter?

A. Expedited Forwarding

B. Assured Forwarding

C. Default PHB

D. Class Selector PHB

Answer: A. Expedited Forwarding has the least jitter of these options, which is why we use it for voice and video traffic - our most "jitter-sensitive" traffic!

New questions posted later today, and be sure to read yesterday and today's blog postings for links to new CCNA and CCENT practice exam questions that have been posted on the main site!

To your success,

Chris Bryant
CCIE #12933

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