Question:

Multiplexing technique that shifts each signal to a different carrier frequency

A.

fdm

B.

tdm

C.

either a or b

D.

both a and b

Answer» a. fdm

Question:

In cryptography, what is cipher?

A.

algorithm for performing encryption and decryption

B.

encrypted message

C.

both (a) and (b)

D.

none of the mentioned

Answer» a. algorithm for performing encryption and decryption

Question:

Data communication system within a building or campus is

A.

lan

B.

wan

C.

man

D.

none of the mentioned

Answer» a. lan

Question:

The first line of HTTP request message is called ____

A.

request line

B.

header line

C.

status line

D.

entity line

Answer» a. request line

Question:

Which of the following is related to ipconfig in Microsoft Windows ?

A.

display all current tcp/ip network configuration values

B.

modify dhcp settings

C.

modify dns settings

D.

all of the mentioned

Answer» d. all of the mentioned

Question:

ElGamal encryption system is

A.

symmetric key encryption algorithm

B.

asymmetric key encryption algorithm

C.

not an encryption algorithm

D.

none of the mentioned

Answer» b. asymmetric key encryption algorithm

Question:

DHCP (dynamic host configuration protocol) provides _____ to the client.

A.

ip address

B.

mac address

C.

url

D.

none of the mentioned

Answer» a. ip address

Question:

Home Access is provided by

A.

dsl

B.

fttp

C.

cable

D.

all of the mentioned

Answer» d. all of the mentioned

Question:

RTP provides the facility of jitter ____ .

A.

compensation

B.

expansion

C.

both (a) and (b)

D.

none of the mentioned

Answer» a. compensation

Question:

Which of the following is not correct ?

A.

web cache doesnt has its own disk space

B.

web cache can act both like server and client

C.

web cache might reduce the response time

D.

web cache contains copies of recently requested objects

Answer» a. web cache doesnt has its own disk space