Question: In TCP, a SYN segment consumes _____ sequence number(s).
Answer:
- In TCP (Transmission Control Protocol), a SYN (Synchronize) segment consumes one sequence number.
- When a TCP connection is initiated, the sending host sends a SYN segment to the receiving host. The SYN segment contains a sequence number that the receiver will use as the initial sequence number for the connection. The receiver sends back a SYN-ACK (Synchronize-Acknowledgment) segment that contains an acknowledgment number that acknowledges the receipt of the SYN segment and an initial sequence number for the receiver.
- The sequence numbers in TCP are used to number the bytes of data in a connection. The sequence number in the SYN segment is the sequence number for the first byte of data that will be sent in the connection. Therefore, it consumes one sequence number.
- Once the connection is established, the sequence number will be incremented by the number of bytes sent, and the acknowledgment number will be incremented by the number of bytes received. This ensures that both hosts keep track of the progress of the data transfer and can detect any lost or corrupted segments.
MCQ: In TCP, a SYN segment consumes _____ sequence number(s).
Correct Answer:
A. no
Explanation:
- In TCP (Transmission Control Protocol), a SYN (Synchronize) segment consumes one sequence number.
- When a TCP connection is initiated, the sending host sends a SYN segment to the receiving host. The SYN segment contains a sequence number that the receiver will use as the initial sequence number for the connection. The receiver sends back a SYN-ACK (Synchronize-Acknowledgment) segment that contains an acknowledgment number that acknowledges the receipt of the SYN segment and an initial sequence number for the receiver.
- The sequence numbers in TCP are used to number the bytes of data in a connection. The sequence number in the SYN segment is the sequence number for the first byte of data that will be sent in the connection. Therefore, it consumes one sequence number.
- Once the connection is established, the sequence number will be incremented by the number of bytes sent, and the acknowledgment number will be incremented by the number of bytes received. This ensures that both hosts keep track of the progress of the data transfer and can detect any lost or corrupted segments.
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Related Questions
- 1. In TCP, a SYN + ACK segment consumes _____ sequence numbers.
- 2. In TCP, an ACK segment, if carrying no data, consumes ______ sequence number(s).
- 3. The connection establishment procedure in TCP is susceptible to a serious security problem called the _________ attack.
- 4. The SYN flooding attack belongs to a group of security attacks known as a _____ attack.
- 5. In TCP, a FIN segment consumes ____ sequence numbers if it does not carry data.
- 6. In TCP, a FIN + ACK segment consumes _____ sequence number(s) if it does not carry data.
- 7. In TCP, one end can stop sending data while still receiving data. This is called a ______ termination.
- 8. TCP sliding windows are __________ oriented.
- 9. In TCP, the size of the send window is the ________ of <em>rwnd</em> and <em>cwnd</em>.
- 10. In TCP, the window should not be _________.
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