Sunday, August 10, 2008

It's Sunday, August 10, and thanks for stopping by!

Here are the answers to the Cisco practice exam questions I posted on Saturday, August 9!

I've posted quite a few new practice exams and tutorials over the last few days, with more to come this weekend - be sure to read yesterday and today's other blog posts for links!

CCNA Certification And CCENT Certification:

Identify the benefits of VTP.

A. Decreases amount of unnecessary broadcasts forwarded across a trunk

B. Dynamically bundles multiple trunks into one larger, logical trunk

C. Gives participating switches a like view of the network

D. Allows all switches to create and delete VLANs, regardless of mode

E. Allows admin to restrict which switches can and cannot delete VLANs

Answers: A, C, E. Answer "A" describes VTP trunking, which is not enabled by default but is a benefit of VTP.

"B" describes an Etherchannel. Answer "D" is incorrect since VTP Clients cannot create and delete VLANs.

CCNA Security Certification / CCNP ISCW Exam:

You're configuring IPS and have not specified an ACL to filter traffic. What traffic will then be filtered?

A. None.

B. All traffic will be filtered.

C. All IP-based traffic will be filtered.

D. All inbound traffic will be filtered, but no outbound traffic will be.

E. All outbound traffic will be filtered, but no inbound traffic will be.

Answer: A, as demonstrated in this screen shot from my upcoming CCNA Security Study Guide and my current ISCW Study Guide!

"When no filter is specified, IPS scans all traffic."

CCNP Certification / BSCI Exam:

What BGP attribute matches the following description?

"When BGP paths are aggregated (summarized), this well-known attribute indicates the router that performed the aggregation. This attribute gives notice to downstream routers that more-specific BGP routing information was lost at the point of aggregation."

Answer: Well, you knew it had something to do with aggregation, right? :) That paragraph describes the atomic aggregate attribute.

CCNP Certification / BCMSN Exam:

What are the basic steps to totally erase the configuration of a Cisco 2950 switch?

Answer: Outside of running write erase, you also want to run delete vlan.dat to totally initialize the switch. If you just erase the switch config and then reload, the switch will retain its VLAN information since that is kept in the vlan.dat file.

CCNP / ONT Exam: (My ONT Study Package comes out later this week!)

What is "Survivable Remote Site Telephony"? What exactly are we surviving, and how?

Answer: SRST allows a Cisco router to take the place of an unavailable CallManager cluster. While the WAN is down, the connection to the Public Switched Telephone Network (PSTN) remains, and this allows the IP Phones at that remote site to function in the absence of the CallManager cluster.

I'll have new questions for you on the blog later today as well as two new CCNA and CCNP questions sets coming up on the main site - look for links to those right here later today!

To your success,

Chris Bryant
CCIE #12933

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