Q44

MSQ2 marks

A $\text{TCP}$ server application is programmed to listen on port number $P$ on host $S$ . A $\text{TCP}$ client is connected to the $\text{TCP}$ server over the network. Consider that while the $\text{TCP}$ connection was active, the server machine $S$ crashed and rebooted. Assume that the client does not use the $\text{TCP}$ keepalive timer. Which of the following behaviors is/are possible?

(A)

If the client was waiting to receive a packet, it may wait indefinitely

(B)

The $\text{TCP}$ server application on $S$ can listen on $P$ after reboot

(C)

If the client sends a packet after the server reboot, it will receive a $\text{RST}$ segment

(D)

If the client sends a packet after the server reboot, it will receive a $\text{FIN}$ segment

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