Protocols

Digital Communications Systems

This set of Digital Communications Multiple Choice Questions & Answers (MCQs) focuses on “Protocols”.

1. Protocol is a set of
a) Formats
b) Procedures
c) Formats & Procedures
d) None of the mentioned

2. The time required to transmit frame depends on
a) Frame size
b) Channel capacity
c) Frame size & Channel capacity
d) None of the mentioned

3. Window given the number of
a) Bytes
b) Frames
c) Bytes & Frames
d) None of the mentioned

4. Routing is
a) Static
b) Dynamic
c) Static & Dynamic
d) None of the mentioned

5. Routing is performed only centrally.
a) True
b) False

6. Which is connection oriented and which is connection-less?
a) Datagrams, virtual circuits
b) Virtual circuits, datagrams
c) Datagrams
d) None of the mentioned

7. Which uses UDP?
a) Echo
b) Time
c) Domain name server
d) All of the mentioned

8. 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

9. Which tells about low level transmission and framing?
a) V series
b) X series
c) G series
d) Q series

10. Which tells about signalling?
a) V series
b) X series
c) G series
d) Q series

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