Classical

Computer Networks - Protocols

11:  

 Three routers have to be inter-connected in a point-to-point network. Each pair of routers may be connected by a high speed line, a medium speed line, a low speed line or no line. If time taken to generate and inspect each topology, is 100 ms, how long will it take to inspect all of them to find one that best matches the expected load ?

A.

12 sec

B.

14.4 sec

C.

6.4 sec

D.

7.0 sec

 
 

Option: C

Explanation :


12:  

Which of the following network access standard is used for connecting station to a circuit switched network ?

A.

X.3

B.

X.21

C.

X.25 

D.

X.75 

 
 

Option: B

Explanation :


13:  

How many hosts are attached to each of the local area network at your site ?

A.

128

B.

1

C.

256

D.

none of these

 
 

Option: C

Explanation :

Ny using 8 bits we can form 255 unique numbers.


14:  

ICMP (internet control message protocol) is

A.

a protocol that handles error and control messages

B.

a protocol used to monitor computers

C.

both (a) and (b)

D.

none of these

 
 

Option: A

Explanation :


15:  

Which of the following TCP/IP protocol is used to monitor IP gateway and the networks to which they attach ?

A.

SGMP

B.

SUMP

C.

FTP

D.

both (a) and (b)

 
 

Option: D

Explanation :




Suggest an improvement