Sunday, April 27, 2008

Welcome! It's Sunday, April 27, and here are the answers to yesterday's Cisco certification exam practice questions!

CCENT Certification:

What term describes a Cisco switch's behavior when it receives a frame whose destination MAC address does not have an entry in the switching table?

Answer: The switch will flood the frame - that is, the frame will be forwarded out every port on the switch except the one it came in on.

CCNA Certification:

In LMI Autosense, how many LMI messages are initially sent by the DTE? How does the DCE respond?

Answer: The DTE sends three LMI messages, one of each type. The DCE then responds a single LMI message.

CCNP Certification / BSCI Exam:

Name the tables in which the EIGRP successor route can be seen.

Answer: The route and topology tables both hold the EIGRP successor. The feasible successor is found only in the topology table.

CCNP Certification / BCMSN Exam:

You're decided to implement Uplinkfast in your network. What switches should be configured with Uplinkfast, and which ones should not?

Answer: Cisco recommends that Uplinkfast be configured only on wiring closet switches - that is, switches at the Access layer of the Cisco switching model.

CCNP Certification / ISCW Exam:

Describe the basic purpose of a Cisco IOS Authentication Proxy.

Answer: The basic use of a Cisco IOS Authentication Proxy is the use of TACACS+, RADIUS, or local databases to authenticate FTP, Telnet, HTTP, and HTTPS sessions.

CCNP Certification / ONT Exam:

At which level(s) of the Cisco switching model should traffic classification and marking be avoided whenever possible?

Answer: Keep the classification and marking procedure aware from the Core layer, as the Core switches should be left to do what they need to do - high-speed switching!

New questions later today, along with a new CCNP ISCW exam tutorial!

To your success,

Chris Bryant
CCIE #12933

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