Thursday, April 10, 2008

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

CCENT Certification:

Short answer: At which layer of the OSI model does data take the form of "frames"?

Answer: Frames are found at Layer 2 of the OSI model, the Data Link layer.

CCNA Certification:

By default, what values are considered by EIGRP when computing a path's metric?

A. bandwidth

B. cost

C. delay

D. load


Answers: A, C. Bandwith and delay are used by default; MTU and load can be used, but are not used by default. Cost is the term used for an OSPF route's metric.

CCNP Certification / BSCI Exam:

Which of the following is NOT one of the activities at the distribution layer of the Cisco Three-Layer Hierarchical Model?

A. traffic filtering

B. internet access

C. policy routing

D. inter-VLAN routing

E. end user interaction with the network

F. route redistribution

G. address aggregation & summarization

Answer: E. End users interact with the network at the Access layer of this model.

CCNP Certification / BCMSN Exam:

What term refers to the process of the switch placing data into the proper egress queue?

A. marking

B. scheduling

C. trusting

D. classification

Answer: B. The term "scheduling" refers to the process of the switch placing data into the proper exit ("egress") queue.

CCNP Certification / ISCW Exam:

Short answer: You're halfway through Setup mode when you realize that you would rather configure the router from the CLI. What keystroke will bring you to the CLI without saving any of the configuration you're created so far?

Answer: CTRL-C. A handy one to know even if you're not working on the CCNP!

CCNP Certification / ONT Exam:

Short answer: What queueing method presents a potential issue known as "packet starvation"? What does this term mean?

Answer: Priority queueing has four queues, named in accordance with the priority given to the packets in them - High, Medium, Normal, Low. PW does not use round-robin, so if too many packets are placed in the higher-priority queues, packets in the lower-priority queues stand a chance of never being serviced properly.

New questions coming up later today!

To your success,

Chris Bryant
CCIE #12933

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