Explore topic-wise MCQs in Digital Communications.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Communications knowledge and support exam preparation. Choose a topic below to get started.

1.

Noise is _____ in nature.

A. Random
B. Systematic
C. Random or Systematic
D. None of the mentioned
Answer» D. None of the mentioned
2.

Which tells about low level transmission and framing?

A. V series
B. X series
C. G series
D. Q series
Answer» D. Q series
3.

Gaussian process is a

A. Wide sense stationary process
B. Strict sense stationary process
C. All of the mentioned
D. None of the mentioned
Answer» D. None of the mentioned
4.

The services provided by ISDN

A. Bearer service
B. Teleservice
C. Secondary service
D. All of the mentioned
Answer» E.
5.

Stochastic process are

A. Random in nature
B. Are function of time
C. Random in nature and are a function of time
D. None of the mentioned
Answer» D. None of the mentioned
6.

S-interface is a _______ bus.

A. Two wire bus
B. Four wire bus
C. Single wired bus
D. None of the mentioned
Answer» C. Single wired bus
7.

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
Answer» B. Simple network management protocol
8.

Attenuation is a function of

A. Channel length
B. Transmission media
C. Signal frequencies
D. All of the mentioned
Answer» E.
9.

Packet switched connection is provided for

A. Voice
B. Data
C. Voice & Data
D. None of the mentioned
Answer» C. Voice & Data
10.

Attributes of ISDN have

A. Definition
B. Allowable values
C. Definition & Allowable values
D. None of the mentioned
Answer» D. None of the mentioned
11.

The radiation loss increases as

A. Frequency increases
B. Frequency decreases
C. Does not depend on frequency
D. None of the mentioned
Answer» B. Frequency decreases
12.

Which tells about signalling?

A. V series
B. X series
C. G series
D. Q series
Answer» E.
13.

Stochastic processes are

A. Strict sense stationary process
B. Wide sense stationary process
C. All of the mentioned
D. None of the mentioned
Answer» C. All of the mentioned