ccna interview questions and answers

Part - 18 CCNA Interview Questions and Answers.

85: Select the physical interfaces that PPP can be configured on a Cisco router:

A. Asynchronous serial

B. HSSI

C. ISDN

D. Synchronous serial

Ans A, B, C & D

All four of them can carry PPP traffic. HSSI is High Speed Serial Interface.

86 Select the correct statements about PPP and SLIP for WAN communications?

A. PPP uses its Network Control Programs (NCPs) component to encapsulate multiple protocols.

B. PPP can only transport TCP/IP

C. SLIP can only transport TCP/IP.

D. SLIP uses its Network Control Programs (NCPs) component to encapsulate multiple protocols.

Ans A & C

87a Which protocol for PPP LCP (Link Control Protocol) performs a challenge handshake?

A. CHAP

B. PAP

C. UDP

D. IPX

Ans: A

87b Which form of PPP error detection on Cisco routers monitors data dropped on a link?

A. Quality

B. Magic Number

C. Error Monitor

D. Droplink

Ans: A

The Quality protocol monitors data dropped on a link. Magic Number avoids frame looping.

88 Which protocol for PPP provides load balancing across multiple links?

A. Multilink Protocol (MP)

B. Quality

C. Magic Number

D. Stacker

E. Predictor

Ans A

89 As the system administrator, you type "ppp authentication chap pap secret". Which authentication method is used first in setting up a session?

A. secret

B. PAP

C. CHAP

D. PPP/SLIP

Ans C

90 Select the compression protocols for PPP?

A. Stac

B. Predictor

C. Quality

D. Magic Number

Ans: A & B