Question

During a standard TCP connection teardown using the four-way handshake, which sequence of flag exchanges correctly represents a client-initiated closure?

A SYN from client, SYN-ACK from server, FIN from client, ACK from server
B ACK from client, FIN from server, SYN from client, ACK from server
C FIN from client, SYN from server, ACK from client, FIN from server
D FIN from client, ACK from server, FIN from server, ACK from client
E FIN from client, FIN from server, ACK from client, ACK from server, sent simultaneously
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