Computer Networks Multiple Choice Questions

Computer networks Multiple choice , objective type and quiz questions 

1) BSC is a  ?

1. Character Oriented Protocol
2. Bit Oriented Protocol
3. Full duplex protocol
4. Half duplex protocol
5. A and D

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Answer = E 
Explanation: BSC stands for Binary synchronous Communication. It is a character oriented protocol by IBM's that interpret a transmission frame as a character and usually contain one byte.

2) Which of the following are non - polling system ?

1. TDMA
2. Stop & wait
3. Xon/Xoff
4. Continuous ARQ
5. A and C

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Answer = E 
Explanation: No Explanation

3) Adaptive or dynamic directory used in packet routing changes?

1. within each user session
2. with each user session
3. at system generation time only
4. Both A and B

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Answer = A 
Explanation: No Explanation

4) The parameter which gives the probability of the transport layer itself spontaneously terminating a connection due to internal problem is called?

1. protection
2. resilience
3. option negotiation
4. transfer failure

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Answer = B 
Explanation: Resilience is the ability to provide and maintain an acceptable level of service in the face of faults and challenges to normal operation.

5) What is the main purpose of a data link content monitor ?

1. to detect problems in protocols
2. to determine the type of switching
3. to determine the type of transmission used in data link
4. to determine the flow of data

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Answer = A 
Explanation: No Explanation

6) Which of the following is an example of bounded media ?

1. Wave guide
2. Coaxial Cable
3. Fiber optic cable
4. All of above

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Answer = D 
Explanation: Bounded media is also calles the wired media or guided media.

7) ICMPv6 includes ......?

1. RARP
2. ARP
3. ICMP
4. B and C

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Answer = D
Explanation: Internet control message protocol includes ABP and ICMP both.

8) IPv6 has ...... bit address ?

1. 32
2. 64
3. 128
4. variable

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Answer = C 
Explanation:  IPv6 addresses have a size of 128 bits. Therefore, IPv6 has a vastly enlarged address space compared to IPv4.

9) What is the main difference between DDCMP and SDLC ?

1. DDCMP does not need special hardware to final the beginning of a message
2. DDCMP has a message header
3. SDLC has a IP address
4. SDLC does not use CPC

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Answer = A
Explanation: HDLC (High-Level Data Link Control) is communication protocol and SDLC (Synchronous Data Link Control) is data link protocols.

10) Number of bits per symbol used in Baudot code is ?

1. 7
2. 8
3. 5
4. 9

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Answer = C 
Explanation: Baudot code is a character set that preceded the more sophisticated character set EBCDIC 

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