Data Communication MCQs | Interview Questions and Answers | Basic Computer Knowledge

1.

Teredo is an automatic tunneling technique. In each client the obfuscated IPv4 address is represented by bits

   A.) 96 to 127
   B.) 0 to 63
   C.) 80 to 95
   D.) 64 to 79

Answer: Option 'A'

96 to 127

2.

Working of the WAN generally involves?

   A.) ATM
   B.) Satellite
   C.) Frame delay
   D.) All of above

Answer: Option 'D'

All of above

3.

Which of the following is used for modulation and demodulation?

   A.) Modem
   B.) Multiplexer
   C.) Protocols
   D.) Gateway

Answer: Option 'B'

​Multiplexer

4.

In file transfer protocol, data transfer can be done in ______

   A.) stream mode
   B.) block mode
   C.) compressed mode
   D.) all of the mentioned

Answer: Option 'D'

all of the mentioned

5.

What is the other name of a LAN card?

   A.) Modem
   B.) NIC
   C.) Network connector
   D.) Internet card

Answer: Option 'B'

NIC

6.

In FTP protocol, client contacts server using ____ as the transport protocol.

   A.) transmission control protocol
   B.) user datagram protocol
   C.) datagram congestion control protocol
   D.) stream control transmission protocol

Answer: Option 'A'

transmission control protocol

7.

Suppose two IPv6 nodes want to interoperate using IPv6 datagrams but are connected to each other by intervening IPv4 routers. The best solution here is

   A.) use dual-stack approach
   B.) No solution
   C.) Tunneling
   D.) Replace the system

Answer: Option 'C'

Tunneling

8.

These are the features present in IPv4 but not in IPv6.

   A.) Fragmentation
   B.) Header checksum
   C.) Options
   D.) All of the mentioned

Answer: Option 'D'

All of the mentioned

9.

Which field helps to check rearrangement of the fragments?

   A.) offset
   B.) TTL
   C.) flag
   D.) identifier

Answer: Option 'A'

offset

10.

If the value in protocol field is 17, the transport layer protocol used is ____

   A.) TCP
   B.) UDP
   C.) Either (a) or (b)
   D.) FTP

Answer: Option 'B'

UDP

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