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Chapter 3 Multiplexing MCQs

1. The sharing of a medium and its link by two or more devices is called _________

(A) Multiplexing


(B) Fully duplexing


(C) Microplexing


(D) Duplexing




2. Multiplexing is used in _______

(A) Packet switching


(B) Packet & Circuit switching


(C) Data switching


(D) Circuit switching




3. Which multiplexing technique is used to transmit digital signals?

(A) FDM


(B) WDM


(C) TDM


(D) FDM & WDM




4. If link transmits 4000 frames per second, and each slot has 8 bits, the transmission rate of this TDM circuit is _________

(A) 500 bps


(B) 32 kbps


(C) 500 kbps


(D) 32 bps




5. The state when dedicated signals are idle is called __________

(A) Death period


(B) Silent period


(C) Poison period


(D) Stop period




6. Multiplexing provides _________

(A) Efficiency


(B) Both Efficiency & Privacy


(C) Anti-jamming


(D) Privacy




7. In TDM, slots are further divided into _________

(A) Seconds


(B) Bits


(C) Packets


(D) Frames




8. The sharing of a medium and its link by two or more devices is called _______.

(A) Modulation


(B) Encoding


(C) Line discipline


(D) Multiplexing




9. Which multiplexing technique transmits digital signals?

(A) WDM


(B) TDM


(C) FDM


(D) None of the above




10. The sharing of a medium and its link by two or more devices is called _______.

(A) Multiplexing


(B) Modulation


(C) Encoding


(D) Line discipline




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