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Packet switching is based on ________

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in Analog Communications by (122k points)
Packet switching is based on ________

(a) switched circuits

(b) un-switched circuits

(c) store-and-forward

(d) real time delivery

This question was addressed to me in an online interview.

Origin of the question is ZCD topic in chapter Angle Modulation of Analog Communications

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Right choice is (c) store-and-forward

To explain: Packet switching is a method of grouping data transmitted over a network into packets. It has two modes of operation: Connectionless Packet Switching and Connection-Oriented Packet Switching. It is based on a store and forward algorithm.

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