Saturday, December 30, 2006

Here are the answers to Friday's questions!

CCNA:

What term describes the amount of bandwidth that is guaranteed available to a frame relay provider's customer?

A. BA

B. DE

C. DC

D. CIR

E. EIR

F. BE

Answer: D. The Committed Information Rate (CIR) is the amount of bandwidth the frame provider guarantees to the customer.


CCNP / BSCI:

A BGP route reflector receives a routing update from a client. To whom will the RR send this update?

A. All RR clients.

B. All RR clients and nonclients.

C. All nonclients only.

D. No one.

Answer: B. When an RR receives a routing update from an RR client, that RR will send that update to all RR clients and nonclients.


CCNP / BCMSN:

A switch has two paths to the root bridge. One is direct, the other goes through another switch. You want to lessen the delay that will occur if the current root port goes down. What Cisco feature can help?

A. Uplinkfast

B. Backbonefast

C. Portfast

D. Bridgefast

Answer: A. Uplinkfast can help. When the root port goes down, the currently blocked port will be placed info forwarding mode almost immediately.


CCNP / BCRAN:

Identify the true statements regarding ADSL.

A. ADSL offers more upload speed than download speed.

B. ADSL offers more download speed than upload speed.

C. ADSL offers roughly the same amount of upload and download speed.

Answer: B. ADSL typically offers 2 - 3 times as much downstream bandwidth as upstream.


CCNP / CIT:

"show interface serial1" tells you that the interface is administratively down, and the line protocol is down as well. What's the most likely issue?

A. The interface is shut down.

B. The cable is loose.

C. There's a problem with the keepalive.

D. There's a problem with the clockrate.

E. The routing protocol is misconfigured.

Answer: A. A classic! When you see "administratively down", that means the interface needs to be opened.


To your Cisco certification success,

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

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