Wednesday, August 06, 2008

Here are the answers to the Cisco certification practice questions posted yesterday, Tuesday, August 5!

I've got new practice exams and tutorials aplenty for CCNA, CCENT, and CCNP candidates alike, so be sure to read yesterday and today's blog posts for links to these questions and tutorials!

CCNA Certification And CCENT Certification:

You attempt to Telnet to a Cisco router, and you receive the following message. What password is the router referring to?


User Access Verification


Answer: The password required here is the VTY line password.

CCNA Security Certification / CCNP ISCW Exam:

What is the purpose of the 256MB.sdf file? What does the "256" refer to?

Answer: This is one of three preconfigured Signature Definition Files. Cisco's website recommends running the Intruder Prevention System (IPS) with the preconfigured files - attack-drop.sdf, 128MB.sdf, and 256MB.sdf. The "128MB" and "256MB" refer to the amount of memory necessary to use these particular files.

CCNP Certification / BSCI Exam:

According to Cisco best practices, an OSPF area should contain no more than how many routers?

Answer: An OSPF area should contain no more than 50 routers.

CCNP Certification / BCMSN Exam:

What purpose does the following command serve? What protocol is being configured?

R1(config-if)#standby 5 track s0/0 25

Answer: This line configures HSRP Interface Tracking. Serial 0/0 is the tracked interface, and the "25" at the end of this command changes the decrement from its default of 10.

CCNP / ONT Exam:

What factors are generally used to determine whether Predictor or Stacker should be used for L2 payload compression?

Answer: Cisco's website recommends that you choose Predictor if the congestion is due to an overloaded router, while Stacker is a good selection if limited bandwidth is the issue.

Additionally, Cisco's recommendation is that you disable compression if the CPU load goes over the 40% mark.

Much more for you later today - be sure to check today and yesterday's blog postings for links to new practice exams and features on the main site!

To your success,

Chris Bryant
CCIE #12933

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