Monday, April 28, 2008

Welcome! It's Monday, April 28, and here are the answers to yesterday's Cisco certification exam practice questions!

CCENT Certification:

Given the MAC address aa-bb-cc-11-22-33, identify the OUI.

Answer: The OUI is the first half of the MAC address, aa-bb-cc.

CCNA Certification:

Short answer: A frame is about to be transmitted over a trunk. What term describes the process of identifying the destination VLAN?

Answer: This is known as "tagging" the frame.

CCNP Certification / BSCI Exam:

Fill in the blank: An IPv6 address consists of ____________ bits.

Answer: 128 bits.

CCNP Certification / BCMSN Exam:

Approximately how long does it take a switch running RSTP to detect a down link?

A. 20 seconds (the MaxAge value).

B. 2 seconds (the Hello Time value).

C. 15 seconds (the Forward Delay value).

D. None of the above.

Answer: D. An RSTP port will detect a down link in about 6 seconds. When a RSTP port misses three BPDUs, the link is considered down. The RSTP Hello Time is 2 seconds.

CCNP Certification / ISCW Exam:

You've just created an IP inspection rule. How should it be applied?

A. Globally.

B. On a per-protocol basis.

C. On a per-interface basis.

D. On a per-access list basis.

Answer: C. IP inspection rules are applied on a per-interface basis.

CCNP Certification / ONT Exam:

Which of the following is NOT a service class found in the Customer Model service class?

A. best-effort

B. guaranteed

C. mission critical

D. scavenger

E. transpositional

F. collapsed core

G. scavenger

Answers: B, E, F. The service classes in the Customer Model are mission critical, best-effort, scavenger, and transactional.

New questions posted later today, along with a new CCNP ISCW exam tutorial!

To your success,

Chris Bryant
CCIE #12933

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