ccna interview questions and answers

Part - 37 CCNA Interview Questions and Answers

191 Identify 2 PPP characteristics?

A.) Is proprietary to Cisco

B.) Supports authentication

C.) Support compression

D.) Run on a multi-access network

Ans B C

PPP supports authentication; PAP and CHAP. It also supports compression; Stacker and Predictor.

192 Which statement is true regarding half duplex?

A.) Only works in a point-to-point configuration

B.) Allows for transmitting and receiving but not a the same time

C.) Allow for transmitting and receiving of data simultaneously

D.) Doubles the bandwidth Ans B Half duplex is analogous to a single a lane bridge, it can handle traffic in both directions but no at the same time.

193 Identify the purpose of the wildcard mask?

A.) Match a certain portion of the IP address while ignoring the rest of the address

B.) Determine the class of the IP address

C.) Determine the network portion of an IP address

D.) Hide the host portion of an IP address

Ans A

The purpose of the wildcard mask to match a certain portion of the IP address while ignoring the rest.

194 Identify the OSI layer associated with bits?

A.) Physical

B.) Network

C.) Binary

D.) Data link

Ans A

The Physical layer converts the frames to bits.

195 Identify the type of routing protocol that maintains a topological database of the network?

A.) Topological state

B.) Shortest Path First

C.) Link state

D.) Distance vector

Ans C

Link State routing protocols maintain a database that lists all the networks in the internetwork.