Host Y sends the first TCP ACK message for the transaction?

a. true

b. false

Answer: True

Explanation:

TCP is the transmission control protocol which and TCP ACK is the transmission control handshake method which are used by TCP. It basically indicates the next sequence number in the method when the flag is set.

Firstly, the ACK (Acknowledge) send by the each end for the initial sequence number itself but it does not contained any type of data. In the TCP segment header ACK contain 32 bit field.

The acknowledgement is just a proof to clients that ACK is a specific to the SYN when the clients initiate.