Electronic switching system Solved MCQ

Electronic switching system Solved MCQ contain set of 10 MCQ questions for Electronic switching system MCQ which will help you to clear beginner level quiz.

We will cover these topics such as electronic switching, electronic switching system, switching system, switching systems, telecom switching, switching telecommunication, telephone switch system, electronic switches and so on.

1. For two stage network the switching elements for M inlets with r blocks and N outlets with s blocks is given by

(A) Ms + Nr
(B) Mr + Ns
(C) (M + N) (r + s)
(D) (M + N)rs

Ans: (A)

2. As per Nyquist criterion the sampling rate is

(A) 2fs
(B) (1/2)fs
(C) (1/2fs)
(D) (2/fs)

Where fs is the signal frequency

Ans: (A)

3. Common channel signalling in SS7 is

(A) out band control channel.

(B) in band control channel.

(C) speech control channel.

(D) none of the above.

Ans: (B)

4. Broad Band ISDN handles data rate of about

(A) 64 kbps
(B) 100 mbps
(C) 5.4 mbps
(D) 2.048 mbps

Ans: (A)

5. MAC address helps in

(A) multimedia access control.

(B) media access control.

(C) mobile access control.

(D) master access point control

Ans: (B)

6. Telex is a

(A) Telephone Service between various subscribers

(B) Tele printer Service between various subscribers

(C) Television Service between various subscribers

(D) Telegraph Service between various subscribers

Ans: (B)

7. The bandwidth requirement of a telephone channel is

(A) 3 KHz
(B) 15 KHz
(C) 5 KHz
(D) 25 KHz

Ans: (A)

8. Distortion caused on telephone line by an adjacent one is called

(A) Cross Fire
(B) Inductive Disturbance
(C) Cross Talk
(D) None of these

Ans: (C)

9. Erlang is used to

(A) Measure busy period
(B) Give total busy period in minutes
(C) Measure average call rate
(D) Indicate total call period

Ans: (A)

10. The grade of service is measured in

(A) Percentage
(B) Number
(C) Fractional Number
(D) Logarithmic Number 

Ans: (C)

11. Network with point-to-point link is known as

(A) Fully Connected Network
(B) Half Connected Network
(C) Duplex Connected Network
(D) None of these

Ans: (A)