Saturday, September 27, 2008

Welcome back!

It's Saturday, September 27,and here are the answers to yesterday's Cisco practice exam questions!

CCNA Certification And CCENT Certification:

Host B (, aa-bb-cc-dd-ee-ff) has just received an ARP Request from Host A (, bb-cc-dd-ee-ff-11). Assuming there are no Layer 3 devices between the two, what will the following values of the ARP Request packet be upon receipt?

A. Source MAC address

B. Source IP address

C. Destination MAC address

D. Destination IP address

Answers: Since there's no L3 device between the two, we can discount Proxy ARP.

A: The source MAC address will be HostB's MAC address.

B. The destination MAC address will be ff-ff-ff-ff-ff-ff, since ARP Requests are L2 broadcasts.

C. The source IP address will be Host B's IP address.

D. The destination IP address will be Host A's IP address.

CCNA Security Certification / CCNP ISCW Exam:

Considering both an IPS and an IDS, which is directly in the flow of traffic?

A. Both

B. Neither

C. The IPS only

D. The IDS only

Answer: C. The IPS will be directly in the flow of traffic, where the IDS will not be. This in itself makes the IPS more efficient in detecting and defending against network attacks.

CCNP Certification / BSCI Exam:

In OSPF, which routes are replaced with a single default route when you configure a total stub area?

A. external

B. inter-area

C. both of these

D. neither of these

Answer: C. A total stub will have a default route take the place of external and inter-area routes.

CCNP Certification / BCMSN Exam:

What command resulted in the following output?

SW1# ?

Port Mode Encapsulation Status Native vlan
Fa0/11 desirable 802.1q trunking 1
Fa0/12 desirable 802.1q trunking 1

Answer: That's the result of show interface trunk.

CCNP / ONT Exam:

Which of the following are default SDM settings?

A. Preview commands before delivering to router

B. Save signature file to Flash

C. Confirm before exiting from SDM

D. Program opens to the Home window

Answer: B, C, D. When I use SDM, I like to see the commands before they're delivered to the router, but that's not a default setting. I'll have a new CCNA Security video on YouTube and the website over the weekend that will show you how to change this default.

I'll have some new questions for you later today, and at least one new CCNA Security video as well! See you later today!

To your success,

Chris Bryant
CCIE #12933

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