Let’s test your knowledge of important Cisco certification exam topics with these free questions. CCNA Security questions have been added to the question sets, with CCNA Voice and Wireless questions beginning in August!

CCNA 640-802 Exam:

By default, what values are considered by EIGRP when computing a path's metric?

A. bandwidth

B. hop count

C. delay

D. load

E. reliability

F. MTU

Answers: A, C. EIGRP considers bandwidth and delay by default in its route calculations.


Cisco CCENT :

Which layer of the OSI model is generally recognized as the "management layer"?

Answer: The Session layer.


CCNA Security:

Briefly describe the term "teardrop attack".

Answer: IP fragments with large payloads are the method of attack. Issues with the TCP fragmentation reassembly code of Windows NT, 96, and 3.1x (among others) created this opening.


CCNP Certification / BSCI Exam:

A non-Cisco router will consider what value first during the BGP best path selection process?

A. AS_PATH

B. origin

C. MED

D. weight

E. LOCAL_PREF

F. aggregator

Answer: E. On a Cisco router, weight is the first consideration. However, weight is a Cisco-proprietary BGP attribute. A non-Cisco router will consider LOCAL_PREF first.


CCNP Certification / BCMSN Exam:

Short answer: How can you change the speed and duplex of multiple ports with one command?

Answer: Use the interface range command to configure multiple ports at one time.


CCNP Certification / ISCW Exam:

Which of the following queueing strategies gives priority to interactive, low-bandwidth communications?

A. FIFO

B. PQ

C. CQ

D. DQ

E. WFQ

Answer: E. That's what Weighted Fair Queueing (WFQ) does!

Look for more question sets on my website and this same website as well!