ISRO | ISRO CS 2020 | Question 68

The persist timer is used in TCP to
(A) To detect crashes from the other end of the connection
(B) To enable retransmission
(C) To avoid deadlock condition
(D) To timeout FIN_Wait1 condition

Answer: (C)
Explanation: To deal with a zero-window-size deadlock situation, TCP uses a persistence timer.

Option (C) is correct.
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