Question:

Voice privacy in GSM cellular telephone protocol is provided by

A.

a5/2 cipher

B.

b5/4 cipher

C.

b5/6 cipher

D.

b5/8 cipher

Answer» a. a5/2 cipher

Question:

Which of the following is not applicable for IP?

A.

error reporting

B.

handle addressing conventions

C.

datagram format

D.

packet handling conventions

Answer» a. error reporting

Question:

This topology requires multipoint connection

A.

star

B.

mesh

C.

ring

D.

bus

Answer» d. bus

Question:

An alternative of javascript on windows platform is

A.

vbscript

B.

asp.net

C.

jsp

D.

none of the mentioned

Answer» a. vbscript

Question:

Which one of the following is not used in media access control?

A.

ethernet

B.

digital subscriber line

C.

fiber distributed data interface

D.

none of the mentioned

Answer» d. none of the mentioned

Question:

Ping sweep is a part of

A.

traceroute

B.

nmap

C.

route

D.

ipconfig

Answer» b. nmap

Question:

What should be the flag value to indicate the last fragment?

A.

0

B.

1

C.

ttl value

D.

none of the mentioned

Answer» a. 0

Question:

Multiplexing can provide

A.

efficiency

B.

privacy

C.

anti jamming

D.

both a and b

Answer» d. both a and b

Question:

If there are n signal sources of same data rate than TDM link has _______ slots

A.

n

B.

n/2

C.

n*2

D.

2^n

Answer» a. n

Question:

In TDM, the transmission rate of the multiplexed path is usually _______ the sum of the transmission rates of the signal sources.

A.

greater than

B.

lesser than

C.

equal to

D.

equal to or greater than

Answer» a. greater than