Welcome back! It's Wednesday, June 25, and here are the answers to yesterday's Cisco certification exam practice questions.

I'll have new questions for you later today, and the answers to last week's CCNA and CCENT practice exam questions on router commands as well!

CCNA and CCENT certification:

There is a range of addresses reserved for multicasting. Take the absolute highest number in that range and convert it to a binary string.

Answer: The range is 224.0.0.0 - 239.255.255.255; the binary representation for that last address is 11101111 11111111 11111111 11111111.


CCNP / BSCI:

What command will show whether a router's neighbors are or are not an ABR or ASBR?

Answer: show ip ospf border-routers.


CCNP / BCMSN:

What command places a physical switch port into a logical bundling of ports?

Answer: To place ports into an Etherchannel, use the port-channel command.


CCNP / ISCW Exam:

What is "signature tuning"?

Answer: Signature tuning is simply the process of editing a signature, most likely changing the action taken when there's a signature match.


CCNP / ONT Exam:

You're configuring Priority Queueing. How many queues exist by default, and how many packets can each queue hold?

Answer: There are four default queues - High (20), Medium (40), Normal (60), and Low (80). These are configurable. For example, the following command will double the Normal queue's capacity while leaving the others unchanged. Even if you're just changing one queue's limit, you still have to name a value for each queue.

Below, I've used IOS Help to show the order in which the queue sizes are defined. The bolded command is the final command.

R3(config)#priority-list 1 queue-limit ?
<0-32767> High limit

R3(config)#priority-list 1 queue-limit 20 ?
<0-32767> Medium limit

R3(config)#priority-list 1 queue-limit 20 40 ?
<0-32767> Normal limit

R3(config)#priority-list 1 queue-limit 20 40 120 ?
<0-32767> Lower limit

R3(config)#priority-list 1 queue-limit 20 40 120 80 ?
R3(config)#priority-list 1 queue-limit 20 40 120 80


That's it for now! I'll see you later today with new questions, and make sure to visit the homepage of the main site for links to resource pages for the new CCNA Security, CCNA Voice, and CCNA Wireless exams!

Of course, you could just click on those links, too! : )

To your success,

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

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