Which of the following statements best describe what a SYN cookie does when a SYN packet is
received?

A.
It replies with a SYN/ACK packet containing a cookie value on the TCP acknowledge field.

B.
It replies with a RST packet if the SYN packet doesn’t contain the right cookie in the sequence field.

C.
It replies with two SYN/ACK packets. One containing the right acknowledge values, and one containing a wrong
acknowledge value.

D.
It sends a SYN/ACK with a cookie in the sequence field.