Friday, October 24, 2008

It's Friday, October 24, and here are the answers to Thursday's Cisco training questions!

Only 7 days until the release of my CCNA Security Exam Study Package- click that link to reserve the lowest price possible AND start studying immediately with the downloadable Preview Edition!

CCNA Certification And CCENT Certification:

Describe the basic operation of a Trojan Horse.

Answer: A Trojan Horse is malware that appears to have a legitimate function, but instead has a destructive function, ranging from stealing information to crippling the computer it's launched on.

CCNA Security Certification / CCNP ISCW Exam:

Only 7 days until the release of my CCNA Security Study Package!

What's the basic purpose of a Crypto ACL?

Answer: Crypto ACLs are used to define the traffic that is protected by IPSec. While most of the Crypto ACLs you write will be configured to affect outbound traffic, they can also be configured to affect inbound traffic. Outbound crypto ACLs identify the traffic to be secured by IPSec, and traffic not named by the crypto ACL will be sent in clear text.

CCNP Certification / BSCI Exam:

Under what circumstances does an EIGRP speaker send a DUAL Query?

Answer: When a Successor route is lost and no Feasible Successor is in the local router's EIGRP topology table.

CCNP Certification / BCMSN Exam:

What are the two major components of Cisco Express Forwarding?

Answer: CEF has two major components - the Forwarding Information Base and the Adjacency Table.

CCNP / ONT Exam:

Define the terms "packetization period" and "packet rate".

Packetization period is the actual amount of voice that's encapsulated in each packet. Measured in milliseconds, the normal packetization period is 20 ms. If the packetization period is shortened, the resulting packets are smaller; if this period is lengthened, the packets will be larger.

Packet rate is simply the number of packets sent in a given time period, usually one second ("packets per second", or PPS). The larger the packets, the lower the packet rate.

I'll have new questions for you later today!

To your success,

Chris Bryant

CCIE #12933

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