Data Communication and networking Mcqs for the preparation of Competitive exams

Data Communication and networking Mcqs

Data Communication MCQs Fpsc, Kppsc, Ppsc Question Answers

Here is the list of Data Communication and networking Mcqs for the preparation competitive exams. Here you can find important Mcqs for the preparation Computer Operator, Data entry Operator, Computer Science Jobs exams.

-Multiple Choice Questions

1. In a _______ connection, more than two devices can share a single link.
(a) Point-to-point
(b) Primary
(c) Multi-point
(d) Secondary

View Answer
 (c) Multi-point

2.  Communication between a computer and a keyboard involves ______________
transmission

(a) Full-duplex
(b) Half-duplex
(c) Simplex
(d) None of these

View Answer
 (c) Simplex

3. In a network with 25 computers, which topology would require the most
extensive cabling?

(a) Star
(b) Mesh
(c) Bus
(d) None of these

View Answer
 (b) Mesh

4. Which topology requires a central controller or hub?
a. Star
b. Mesh
c. Bus
d. Ring

View Answer
 a. Star  

5. The _______ is the physical path over which a message travels.
a. Protocol
b. Medium
c. Signal
d. All of the above

View Answer
 

6. Which organization has authority over interstate and international commerce in the communications field?
a. ITU-T
b. IEEE
c. ISO
d. FCC

View Answer
d. FCC

7. The information to be communicated in a data communications system is the ________
a. Medium
b. Protocol
c. Transmission
d. Message

View Answer
d. Message

8. Frequency of failure and network recovery time after a failure are measures of the
_______ of a network.
a. Performance
b. Security
c. Reliability
d. Feasibility

View Answer
  (c) Reliability

9. In _______ transmission, the channel capacity is shared by both communicating devices at all times.
a. Full-duplex
b. Simplex
c. Half-duplex
d. Half-Simplex

View Answer
(a) Full-duplex

10. An unauthorized user is a network _______ issue.
a. Performance
b. Reliability
c. Security
d. All of the above

View Answer
(c) Security

 

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