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Question 845 - N10-008 discussion

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Which of the following fields are negotiated during the three-way-handshake process? (Select three).

A.
Sequence number
Answers
A.
Sequence number
B.
MTU
Answers
B.
MTU
C.
Window size
Answers
C.
Window size
D.
MSS
Answers
D.
MSS
E.
TTL
Answers
E.
TTL
F.
Flags
Answers
F.
Flags
G.
Acknowledgment number
Answers
G.
Acknowledgment number
H.
CRC
Answers
H.
CRC
Suggested answer: A, C, G

Explanation:

During the TCP three-way handshake process, the following fields are negotiated:

A . Sequence number: Initial sequence numbers are established during the handshake to keep track of the segments in the communication.

C . Window size: This determines the amount of data that can be sent before receiving an acknowledgment.

G . Acknowledgment number: This confirms receipt of the data and also indicates the next expected byte.

The other options are not negotiated during the three-way handshake:

B . MTU (Maximum Transmission Unit): This is determined at the network layer and is not negotiated during the handshake.

D . MSS (Maximum Segment Size): This is communicated during the handshake but not negotiated; it's declared by the sender to inform the receiver of the maximum segment size it can handle.

E . TTL (Time To Live): This is set in each IP packet to limit its lifespan and is not negotiated during the handshake.

F- Flags: Specific flags are used during the handshake (SYN and ACK), but they are not ''negotiated'' per se.

H) CRC (Cyclic Redundancy Check): This is used for error-checking in frames at the data link layer and is not part of the three-way handshake.

asked 02/10/2024
Siza Motha
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