Wednesday, June 24, 2009

Here are your Cisco and CompTIA practice exam questions for Tuesday, June 23!

Answers have been added on Wednesday, June 24.

Be sure to scroll down in the blog for registration opportunities for free upcoming Webinars, and your oppotunity to get a free copy of my CCNA Voice and CCNA Security Study Packages!


CCNA / CCENT Certification:

Two switches are connected via four crossover cables. Trunks have formed and there is no Etherchannel. How many of the eight ports involved in the trunks will be in forwarding mode, assuming one is the root switch for the network?

Answer: Five. All four ports on the root switch will be in forwarding mode, and only one on the non-root switch.

By default, which of the following will a RIP-enabled interface do?

A. Accept broadcast updates

B. Accept multicast updates

C. Transmit broadcast updates

D. Transmit multicast updates

E. Send or accept authenticated updates


Answer: A, B, C. A RIP-enabled interface will transmit V1 updates (broadcasts), but will accept both V1 and V2 (multicast) updates.


CCNA Security:

Which of the following does Authentication Header NOT offer?

A. data origin authentication

B. data integrity

C. data confidentiality

D. anti-replay protection

Answer: C. AH doesn't offer data confidentiality.





And now, the answers to the CCNP questions....





BSCI Exam:

Which of the following requires some sort of seed metric for redistribution into this protocol to be successful?

A. OSPF

B. RIP


C. EIGRP

Answer: A, B, C.


BCMSN Exam:

Of LACP and PAgP, which can be used to create Etherchannels on Cisco switches?

A. LACP only

B. PAgP only

C. Both

D. Neither

Answer: C.



ISCW Exam:

Define the term "penultimate hop popping".

Answer: With penultimate hop popping, the Edge LSR can actually request that the downstream MPLS router pop that label.

As a result, the Edge LSR receives an unlabeled IP packet, and the Edge LSR must now only perform one lookup - the routing table lookup.


ONT Exam:

Which of the following describes traffic policing?

A. Will "re-queue" traffic

B. Can be configured to police incoming and outgoing traffic

C. Tends to result in fewer TCP retransmissions than traffic shaping

D. Supports traffic marking

Answer: B, D. (Policing tends to result in more TCP retransmissions than shaping, not less.)



Be sure to scroll down in the blog for new videos and practice exams!

Chris Bryant
CCIE #12933
"The Computer Certification Bulldog"

http://www.thebryantadvantage.com/
chris@thebryantadvantage.com

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