Fundamentals of Computer Network - Electronic Engineering (MCQ) questions & answers

1)   Which kind of undesirable factors are generated due to an acknowledgement process of transmission and reception of messages in any reliable service?

a. Overheads
b. Delays
c. Errors
d. Interference


a. A & B
b. B & C
c. C & D
d. B & D
Answer  Explanation 

ANSWER: A & B

Explanation:
No explanation is available for this question!


2)   Which among the below mentioned communication assets specifies an agreement of a common language used by the two computers for the purpose of exchanging messages?

a. Protocols
b. Packets
c. Routers
d. Datagrams
Answer  Explanation 

ANSWER: Protocols

Explanation:
No explanation is available for this question!


3)   What is the crucial function of Protocol Data Unit (PDU) in layer communication process?

a. Transfer of user data by N+1 layer to N and N-1 layers
b. Exchange of information with the help of peer entities over the different network sites
c. Combination of Service Data Unit (SDU) & Protocol Control Information (PCI)
d. Passage of temporary parameter between N & N-1 layers apprise service function
Answer  Explanation 

ANSWER: Combination of Service Data Unit (SDU) & Protocol Control Information (PCI)

Explanation:
No explanation is available for this question!


4)   Match the switching networks with associated charge dependency factors:

a. Circuit Switching ---------------- 1.Number of bytes & distance
b. Packet switching ---------------- 2. Number of bytes & connect time
c. Message Switching ------------ 3. Distance & time


a. A- 3, B- 2, C- 1
b. A- 2, B- 1, C- 3
c. A- 1, B- 2, C- 3
d. A- 3, B- 1, C- 2
Answer  Explanation 

ANSWER: A- 3, B- 2, C- 1

Explanation:
No explanation is available for this question!


5)   What does the infinity over the block size indicate in the message switching networks?

a. Routers should have disks to buffer long blocks
b. Even a single block may tie-up a router
c. Call set-up facility
d. Necessity to increase the storage capacity at each node


a. A & B
b. B & C
c. C & D
d. A & D
Answer  Explanation 

ANSWER: A & B

Explanation:
No explanation is available for this question!


6)   Which among the below specified switching networks indulges the store and forward mechanism at its operational level?

a. Circuit Switching
b. Packet Switching
c. Message Switching
d. All of the above
Answer  Explanation 

ANSWER: Message Switching

Explanation:
No explanation is available for this question!


7)   What are the interoffice lines used in the circuit switching usually referred as?

a. Loops
b. Nodes
c. Trunks
d. Switches
Answer  Explanation 

ANSWER: Trunks

Explanation:
No explanation is available for this question!


8)   What kind of information is provided by switched Virtual Circuit (SVC) especially in the call set-up phase?

a. Bandwidth allocation & Quality of Service parameters
b. Virtual Channel Identifiers
c. Both a & b
d. None of the above
Answer  Explanation 

ANSWER: Both a & b

Explanation:
No explanation is available for this question!


9)   Which type of virtual circuit has an ability of providing the point-to-point and dedicated connections for a longer period of time?

a. Switched Virtual Circuit (SVC)
b. Permanent Virtual Circuit (PVC)
c. Multicast Virtual Circuit (MVC)
d. All of the above
Answer  Explanation 

ANSWER: Permanent Virtual Circuit (PVC)

Explanation:
No explanation is available for this question!


10)   What happens during the failure of a router in the virtual switching circuit?

a. All the crashed packets get lost
b. All the virtual circuits that passes through the router get terminated
c. Congestion control becomes extremely difficult
d. Sequence of packets arrival gets disrupted
Answer  Explanation 

ANSWER: All the virtual circuits that passes through the router get terminated

Explanation:
No explanation is available for this question!


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