ccna interview questions and answers

Part - 26 CCNA Interview Questions and Answers

126 Identify 3 ways in which a router can be configured?

A.) TFTP

B.) Nvram

C.) Ping

D.) Console

E.) Trace

Ans A B D

Changes to the configuration can be entered via the console, a config stored in NVRAM or on a TFTP server. Trace and ping are tools to verify connectivity.

127 A traffic light is an example of what type of mechanism?

A.) Collision detection

B.) Flow control

C.) Sequence numbering

D.) Network management

Ans B A

Traffic light is an example of flow control.

128 Windowing is a type of?

A.) Negative acknowledgement

B.) Address resolution

C.) Layer transition mechanism

D.) Flow control

Ans D

Windowing allow the sender and receiver to dictate how much information that can be received prior to an acknowledgement. It is a form of flow control.

129 Identify the 2 types of access-list filters that control SAP traffic?

A.) Novell-ether

B.) Arpa

C.) Input-sap-filter

D.) Round-robin

E.) Output-sap-filter

Ans C E

SAP's can be blocked by 2 methods; inbound and outbound.

130 Identify the 3 guidelines for routers in the same autonomous system?

A.) Must be configured for IGRP or RIP

B.) Interconnected

C.) Assigned the same autonomous system number

D.) Configured for the same routing protocol

E.) Must be same model of router

Ans B C D

Autonomous system must be interconnected, assigned the same AS # and configured with the
same routing protocol.