Digital Communications MCQs

26 MCQs (Page 1 of 3)

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Digital Communications Subcategories

And Network Synchronization	Optical Switching Networks
Osi Model Security 1	Protocols

The ____________ model is 7-layer architecture where each layer is having some specific functionality to perform.

A. TCP/IP
B. Cloud
C. Osi
D. Osi

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The time required to transmit frame depends on

A. Frame size
B. Channel capacity
C. Frame size & channel capacity
D. None of the mentioned

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Window given the number of

A. Bytes
B. Frames
C. Bytes & frames
D. None of the mentioned

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Routing is

A. Static
B. Dynamic
C. Static & dynamic
D. None of the mentioned

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Routing is performed only centrally.

A. True
B. False
C.
D.

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Which is connection oriented and which is connection-less?

A. Datagrams, virtual circuits
B. Virtual circuits, datagrams
C. Datagrams
D. None of the mentioned

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Which uses UDP?

A. Echo
B. Time
C. Domain name server
D. All of the mentioned

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Which uses TCP?

A. Simple mail transfer protocol
B. Simple network management protocol
C. Simple mail transfer & network management protocol
D. None of the mentioned

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Which tells about low level transmission and framing?

A. V series
B. X series
C. G series
D. Q series

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Which tells about signalling?

A. V series
B. X series
C. G series
D. Q series

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