Data Communication and networking Mcqs
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
2. Communication between a computer and a keyboard involves ______________
transmission
(a) Full-duplex
(b) Half-duplex
(c) Simplex
(d) None of these
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
4. Which topology requires a central controller or hub?
a. Star
b. Mesh
c. Bus
d. Ring
5. The _______ is the physical path over which a message travels.
a. Protocol
b. Medium
c. Signal
d. All of the above
6. Which organization has authority over interstate and international commerce in the communications field?
a. ITU-T
b. IEEE
c. ISO
d. FCC
7. The information to be communicated in a data communications system is the ________
a. Medium
b. Protocol
c. Transmission
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
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
10. An unauthorized user is a network _______ issue.
a. Performance
b. Reliability
c. Security
d. All of the above