Friday, February 15, 2008

Welcome back! It's Friday, February 15, and I apologize for the lack of updates this past week - the recent wildfires in Virginia were more than a little bit of a distraction, but all is well now.

Let's get started today by going over the answers to Tuesday's questions!

CCNA Certification:

What effect does the following configuration have ?

R2#conf t
R2(config)#int s0
R2(config-if)#bandwidth 512


A. Any connected route using S0 as an exit interface will have its administrative distance changed from the default.

B. The RIP route calculations will be changed from the default.

C. The EIGRP route calculations will be changed from the default.

D. Static routing metrics will be changed from the default.

Answers: C. EIGRP route calculations use the bandwidth (and delay) values by default when calculating route metrics, so changing either will affect the metrics for both of those protocols.


Cisco CCENT / CompTIA Network+ Exams:

Which of the following terms are associated with the Transport layer of the OSI model?

A. TCP

B. packet

C. segment

D. UDP

E. frame

F. FCS

Answers: A, C, D. TCP, UDP, and the term "segment" are all associated with the Transport layer of both the TCP/IP and OSI network models.




CCNP Certification / BSCI Exam:

Short answer: A routing table has three routes to a remote destination. The router codes for the three routes are "I", "D", and "D EX". According to their administrative distance, what is the order of trustworthiness of these routes, from best to worst?

Answer: From best to worst - and with administrative distance, that means lowest to highest - the order is "D" (EIGRP, AD 90), "I" (IGRP, AD 100), "D EX" (External EIGRP, AD 170).


CCNP Certification / BCMSN Exam:

Short answer: A VTP Client has lost some or all of the contents of its VTP database. What VTP advertisement will it send to retrieve this information?

Answer: The client will send an aptly-named Client Advertisement Request.


CCNP Certification / ISCW Exam:

Identify the true statements regarding CQ.

A, There are four predefined queues.

B. There are 17 predefined queues.

C. All queues can be configured to carry voice and data.

D. At least one queue is reserved for network control traffic.

E. Each queue has a default limit of 20 packets.

Answers: B, D, E. Of CQ's 17 predefined queues, Queue Zero is reserved for network control traffic such as routing protocol Hellos and Syslog messages. CQ uses round-robin transmission, and each queue has a limit of 20 packets.


New questions plus other surprises posted later today!

To your success,

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

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