4. (25 points) In a TCP connection, the client opens the connection and sends five segments in total. the initial sequence number sent by the client is 2001. The third segment sent by the client carries 1000 bytes of data. The client then closes the connection. What is the value of the sequence number in each of the following segments sent by the client? A. (5 points) The SYN segment. B. (5 points) The ACK segment C. (5 points) The Data segment D. (5 points) The FIN segment E. (5 points) The Last ACK