Tuesday, August 21, 2007

Welcome! Here are the answers to Monday's Cisco training questions!

CCNA Certification:

By default, what traffic will cross an ISDN link that is already up?

A. No traffic

B. All traffic

C. All IP traffic

D. All interesting traffic

E. All traffic allowed by the "isdn allowable" command

Answer: B. Interesting traffic brings the ISDN link up, but by default any traffic can cross the link once it's up.


CCNP Certification / BSCI Exam:

Short answer: You are configuring an OSPF router to inject a default route into an OSPF domain. The command you've entered under the OSPF process is "default-information originate". What else do you have to do?

Answer: In this situation, make sure the router has a default route to advertise! To advertise such a route when none actually exists, use "default-information originate always".

CCNP Certification / BCMSN Exam:

What interface-level command, configured on a switch port, will tell the IP Phone not to trust any CoS values sent from a PC connected to the phone?

A. switchport priority no cos trust

B. no mls qos

C. no mls qos trust cos

D. switchport priority extend cos 0

E. switchport priority extend cos 5

Answer: D. The command "switchport priority extend cos x" tells the phone to overwrite the CoS value coming in from the PC. Setting "x" to zero is effectively telling the phone not to trust the incoming CoS value.


CCNP Certification / ISCW Exam:

Short answer: How many classes can be defined for PQ?

Answer: 64.


CCNP Certification / ONT Exam:

In the analog-to-digital conversion process, which of the following is optional?

A. Sampling

B. Quantizing

C. Encoding

D. Compression

Answer: D. Compression is often a good idea, but it's not required.


New questions will be posted later today!

To your success,

Chris Bryant
CCIE #12933
http://www.thebryantadvantage.com/

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