Intermediate
Computer Networks
Q42 / 100
What is the TCP 3-way handshake and why is it necessary?
Correct! Well done.
Incorrect.
The correct answer is B) The 3-way handshake (SYN→SYN-ACK→ACK) synchronizes sequence numbers between client and server, establishing a reliable bidirectional connection
B
Correct Answer
The 3-way handshake (SYN→SYN-ACK→ACK) synchronizes sequence numbers between client and server, establishing a reliable bidirectional connection
Explanation
SYN: client proposes initial seq num. SYN-ACK: server acknowledges and proposes its own seq num. ACK: client acknowledges server. This establishes seq nums needed for reliable, ordered delivery.
Progress
42/100