Here are the answers to Wednesday's Cisco certification training questions!

CCNA:

On the blank console line shown below, what command can be used to prevent OSPF hellos from keeping the ISDN line up?

R2#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R2(config)#interface bri0
R2(config-if)#

Answer: ip ospf demand-circuit will prevent OSPF Hello packets from being considered interesting traffic.


CCNP / BSCI:

Which of the following protocol combinations will result in automatic route redistribution when they're configured on the same router?

A. EIGRP and IGRP using the same non-zero AS number

B. EIGRP and IGRP using different non-zero AS numbers

C. EIGRP and IGRP using AS number 0

D. EIGRP for AppleTalk, RTMP

E. EIGRP for IPX, RIP for IPX

Answer: A, D. E. EIGRP and IGRP cannot be set to use autonomous system zero. They must be set to the same non-zero AS number in order to redistribute routes automatically.


CCNP / BCMSN:

Short answer: A Portfast-enabled port skips how many STP port states?

Answer: Two - listening and learning.


CCNP / BCRAN:

Identify the true statements regarding CET.

A. It's a Cisco-proprietary protocol.

B. It's an open-standard protocol.

C. It provides AH and ESP.

D. It provides some data encryption.

E. It provides no data encryption.

Answer: A, D. Cisco Encryption Technology does provide limited data encryption, but it doesn't offer AH, ESP, or anti-replay attacks. And as with almost anything with "cisco" in the name, it is Cisco-proprietary.


CCNP / CIT:

A TA is required when using an NT2. What reference point is found between the two?

A. R

B. S

C. T

D. U

Answer: A. The R-point is found between the NT2 and Terminal Adapter (TA).

See you later this morning with a fresh batch of Cisco CCNA and CCNP certification training questions!

To your success,

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

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