GATE | GATE-CS-2003 | Question 90

Which of the following functionalities must be implemented by a transport protocol over and above the network protocol ?
(A) Recovery from packet losses
(B) Detection of duplicate packets
(C) Packet delivery in the correct order
(D) End to end connectivity


Answer: (D)

Explanation: End to end connectivity is the required functionality provided by Trnasport protocol. UDP of transport layer protocol that doesn’t implement other three functionalities, they are implemented only in TCP.

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