ccna interview questions and answers

Part - 20 CCNA Interview Questions and Answers.

96 Which statement is true regarding full duplex?

A.) Allows for transmission and receiving of data simultaneously

B.) Only works in a multipoint configuration

C.) Does not affect the bandwidth

D.) Allows for transmission and receiving of data but not a the same time

Ans A

Full duplex is just the opposite of half duplex. It handles traffic in both directions simultaneously.

97 Identify the switching method that receives the entire frame then dispatches it?

A.) Cut-through

B.) Receive and forward

C.) Store and forward

D.) Fast forward

Ans C

Store and forward switching receives the entire frame before dispatching it.

98 Identify the purpose of ICMP?

A.) Avoiding routing loops

B.) Send error and control messages

C.) Transporting routing updates

D.) Collision detection

Ans B

ICMP is used to send error and control messages. Ping uses ICMP to carry the echo-request and echo-reply.

99Which statement is true regarding the user exec and privileged exec mode?

A.) The '?' only works in Privileged exec

B.) They are identical

C.) They both require the enable password

D.) User exec is a subset of the privileged exec

Ans D

The user exec mode is a subset of the privileged exec mode. Only a certain number of commands are available at the user exec mode.

100 Which OSI layer end to end communication, segmentation and re-assembly?

A.) Network

B.) Transport

C.) Physical

D.) Application

E.) Data-Link F.) Presentation

Ans B