Electronic Switching System Solved MCQ

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

Q.1. Direct inward dialling is used as a feature in

(A) PSTN.
(B) PBX.
(C) EPABX.
(D) VPN.

Ans: (C)

Q.2. Trunks are the lines that run between

(A) Subscribers and exchange

(B) switching system and power plant

(C) Local area network.

(D) Switching stations.

Ans: (D)

Q.3. Traffic Capacity is given by

(A) Switching capacity × Theoretical maximum load

(B) Switching capacity / Theoretical maximum load

(C) Theoretical maximum load / switching capacity

(D) Theoretical maximum load × Switching capacity

Ans: (A)

Q.4. In a time multiplexed space switching system, one speech sample appears every

(A) 125 micro sec
(B) 20 msec
(C) 125 msec
(D) 1 sec

Ans: (A)

Q.5. ISDN handles data pertaining to

(A) All digital services
(B) Speech and Video
(C) Computer data only
(D) Speech only

Ans: (A)

Q.6. A star connected intermediate exchange is known as a

(A) Repeater exchange

(B) Hub exchange

(C) Private branch exchange

(D) Tandem exchange

Ans: (B)

Q.7. Time synchronization is necessary in

(A) FDM.
(B) TDM.
(C) WDM.
(D) Quadrature multiplexing

Ans: (B)

Q.8. In a frame transmission, CRC stands for

(A) Code Renewable Check

(B) Cyclic Redundancy Check

(C) Control and Refresh Code

(D) Cyclic Refreshing of CPU

Ans: (B)

Q.9. In a LAN network every system is identified by

(A) Name
(B) MAC address
(C) IP Address
(D) Serial number given by manufacturer

Ans: (C)

Q.10. An off-hook signal will repeat for a/an ________duration.

(A) finite

(B) infinite
(C) duration of 40 seconds
(D) duration of 80 seconds

Ans: (A)

Q 11. Typical human voice is centered around ________Hz.

(A) 200-400
(B) 280-3000
(C) 400-600
(D) 1400-1800

Ans: (B)