Thirteen Oh Two
A connection opens with the client's ISN at 100 and the server's at 300, exactly as in RFC 9293's Figure 6. Then:
| # | direction | segment |
|---|---|---|
| 1 | C to S | SEQ=100, CTL=SYN |
| 2 | S to C | SEQ=300, ACK=101, CTL=SYN,ACK |
| 3 | C to S | SEQ=101, ACK=301, CTL=ACK |
| 4 | C to S | SEQ=101, 1200 bytes of data |
| 5 | S to C | ACK=? |
| 6 | C to S | SEQ=?, CTL=FIN |
| 7 | S to C | ACK=? |
What is the acknowledgment number in segment 7?
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