GATE | GATE CS 2008 | Question 59

A client process P needs to make a TCP connection to a server process S. Consider the following situation: the server process S executes a socket(), a bind() and a listen() system call in that order, following which it is preempted. Subsequently, the client process P executes a socket() system call followed by connect() system call to connect to the server process S. The server process has not executed any accept() system call. Which one of the following events could take place?
(A) connect () system call returns successfully
(B) connect () system call blocks
(C) connect () system call returns an error
(D) connect () system call results in a core dump

Answer: (C)
Explanation: See Question 2 of https://www.geeksforgeeks.org/computer-networks-set-8/amp/
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