If a host receives a TCP packet with an SEQ number of 1234, an ACK number of 5678, and a
length of 1000 bytes, what will it send in reply?

A.
a TCP packet with SEQ number: 6678, and ACK number: 1234

B.
a TCP packet with SEQ number: 2234, and ACK number: 5678

C.
a TCP packet with SEQ number: 1234, and ACK number: 2234

D.
a TCP packet with SEQ number: 5678, and ACK number 2234

Explanation: