CCNA, CCENT, Network +, Security + practice questions - EIGRP, drop attacks and much more!

To help you in your preparation for Cisco CCNA, CCENT, and CCNP exams, here are some free practice questions that cover everything from EIGRP to the OSI model. And for you Network Security + + and certification of candidates, there are questions for you and the OSI model and teardrop attacks. I will be adding some + certification questions in future articles. Let's start!

CCNA 640-802 Exam:

By default, what values ​​are considered by EIGRP when calculating metrics of a path?

A. width of band

B. hop count

C. delay

D. load

E. reliability

F. MTU

Answers: A, C. EIGRP considers the bandwidth and the default delay in its calculations of the path.

Cisco CCENT / CompTIA Network + Certification:

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

Answer: The session layer.

CompTIA Security + Certification:

Describe briefly the term "teardrop attack."

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

CCNP Certification / BSCI Exam:

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

A. AS_PATH

B. source

C. MED

D. weight

E. LOCAL_PREF

F. aggregator

Answer: E. on a Cisco router, the weight is the first consideration. However, the 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 the ports at once.

CCNP Certification / ISCW exam:

Which of the following strategies of queues gives priority to interactive, low-bandwidth communication?

A. FIFO

B. PQ

C. CQ

D. DQ

E. WFQ

Answer: E. This is what Weighted Fair Queueing (WFQ) does!

See you soon with other Cisco and CompTIA practice questions!