Question:

What is interframe gap?

A.

idle time between frames

B.

idle time between frame bits

C.

idle time between packets

D.

none of the mentioned

Answer» a. idle time between frames

Question:

Packet sniffers involve

A.

active receiver

B.

passive receiver

C.

both of the mentioned

D.

none of the mentioned

Answer» b. passive receiver

Question:

What is autonegotiation?

A.

a procedure by which two connected devices choose common transmission parameters

B.

a security algorithm

C.

a routing algorithm

D.

none of the mentioned

Answer» a. a procedure by which two connected devices choose common transmission parameters

Question:

What is document object model (DOM)?

A.

convention for representing and interacting with objects in html documents

B.

application programming interface

C.

hierarchy of objects in asp.net

D.

none of the mentioned

Answer» a. convention for representing and interacting with objects in html documents

Question:

Most packet switches use this principle

A.

stop and wait

B.

store and forward

C.

both of the mentioned

D.

none of the mentioned

Answer» b. store and forward

Question:

Which protocol provides the synchronization between media streams?

A.

rtp

B.

rtcp

C.

rpc

D.

none of the mentioned

Answer» b. rtcp

Question:

In the process of fetching a web page from a server the HTTP request/response takes ______ RTTs.

A.

2

B.

1

C.

4

D.

3

Answer» b. 1

Question:

ICMP is used in

A.

ping

B.

traceroute

C.

ifconfig

D.

both a and b

Answer» d. both a and b

Question:

Ethernet in metropolitan area network (MAN) can be used as

A.

pure ethernet

B.

ethernet over sdh

C.

ethernet over mpls

D.

all of the mentioned

Answer» d. all of the mentioned

Question:

In cryptography, the order of the letters in a message is rearranged by

A.

transpositional ciphers

B.

substitution ciphers

C.

both (a) and (b)

D.

none of the mentioned

Answer» a. transpositional ciphers