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Beyond IP, UDP provides additional services such as _______

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Beyond IP, UDP provides additional services such as _______

(a) Routing and switching

(b) Sending and receiving of packets

(c) Multiplexing and demultiplexing

(d) Demultiplexing and error checking

I got this question during a job interview.

Origin of the question is UDP in portion Transport Layer of Computer Network

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Correct choice is (d) Demultiplexing and error checking

The best I can explain: De-multiplexing is the delivering of received segments to the correct application layer processes at the recipients end using UDP. Error checking is done through checksum in UDP.

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