Hex Conversions, Static Routes, And More!

Cisco CCNA And CCNP Practice Questions:

by: Chris Bryant, CCIE #12933

Let’s test your knowledge of important Cisco certification exam topics with these CCNA, CCENT, and CCNP questions!

CCENT and CCNA Certification:

You want to create a static route that will send packets out the ethernet0 interface on your local router if there is no other match for the actual destination in the routing table. What command will create such a route?

Answer: The ip route command is used to create a default static route, such as the one needed here. The syntax:

ip route 0.0.0.0 0.0.0.0 ethernet0

CCNA Certification:

Short answer: The binary string 11010101, converted to hex, equals ____________ .

Answer: That string converts to the decimal 213, which converts to the hex value D5, or d5.

CCNP Certification / BSCI Exam:

Short answer: What LSA type is generated by an ABR and describe inter-area links?

Answer: Type 3 LSAs are generated by ABRs and describe inter-area routes.

CCNP Certification / BCMSN Exam:

While visiting a client's network, you notice that VLAN 25 is configured as the native VLAN. No hosts are actually in VLAN 25, though. What kind of network attack does this guard against?

Answer: This is one method of preventing VLAN hopping, specifically a double tagging attack.


CCNP Certification / ONT Exam:

Which of the following QoS models uses PHB?

A. Integrated Services

B. Differentiated Services

C. Distributed Services

D. Best Effort Delivery

Answer: B. Differentiated Services uses Per-Hop Behavior (PHB), rather than create a reserved path in advance of transmission, as Integrated Services does.

CCNP Certification / ISCW Exam:

Identify the true statements.

A. A CLI session is 10 minutes by default.

B. A CLI session is 20 minutes by default.

C. A CLI session has no default length.

D. A CLI session's duration can be changed.

E. A CLI session's duration is fixed in length and cannot be changed.

Answers: A, D. A CLI session is 10 minutes by default and can be changed with the exec-timeout command.


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