Computer Network Questions for IBPS RRB PO and Clerk Mains 2019

1.

Which of the following would most likely not be a symptom of a virus?

   A.) Existing program files and icons disappear
   B.) The CD-ROM stops functioning
   C.) The web browser opens to an unusual home page
   D.) Odd message or images are displayed on the screen

Answer: Option 'B'

Except option (b) all others are the symptoms of a computer virus.

2.

State whether true or false:
i) A worm mails a copy of itself to other systems.
ii) A worm executes a copy of itself on another system.
iii) A worm cannot be spread without a human action, (such as running an infected program) to keep it going.

   A.) True, False, True
   B.) False, True, True
   C.) True, True, False
   D.) False, False, False

Answer: Option 'C'

Worms spread from computer to computer, but unlike a virus, it has the capability to travel without any human action.

3.

In which of the following scenarios does Network congestion occur?

   A.) in case of a node termination
   B.) when a system terminates
   C.) when connection between two nodes terminates
   D.) in case of traffic overloading

Answer: Option 'D'

Network congestion occurs when a network node is carrying more data than it can handle. That is typically due to traffic overloading.

4.

How long is an IPv6 address?

   A.) 32 bits
   B.) 128 bytes
   C.) 64 bits
   D.) 128 bits

Answer: Option 'D'

IPv6 address is 128 bits long.

5.

Communication channel is shared by all the machines on the network in:

   A.) broadcast network
   B.) unicast network
   C.) multicast network
   D.) Internet Protocol Address

Answer: Option 'A'

Broadcast networks: It has a single communication channel that is shared by all the machines on the network. Short messages, called packets in certain contexts, sent by any machine are received by all the others.

Computer Network Questions for IBPS RRB Download Pdf

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