Question: Task 3 . The following figure shows a message sequence chart for a TCP communication. The exchanged TCP packets are numbered consecutively. Sequence and Acknowledgement

Task

3 .

The following figure shows a message sequence chart for a TCP communication. The exchanged TCP packets are numbered consecutively. Sequence and Acknowledgement Number are represented by Seq and Ack respectively. User data bytes are indicated by Data.

)

Enter the missing values for Seq and Ack for TCP packets

1

5 .

)

Explain and draw the TCP Sequence Number Attack.

Task 3. The following figure shows a message sequence chart for

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