Fundamentals of Computer Network & Physical Layer - Part 2 - MCQs

Fundamentals of Computer Network & Physical Layer - Part 2 - MCQs

1. 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

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2. 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

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3. What are the interoffice lines used in the circuit switching usually referred as?

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

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4. 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

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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

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6. 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

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7. 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

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