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.
The type of message format that is designed to arouse
curiosity by not showing the product or delivering quiet enough information to
make sense is teaser. This is a way of providing information that is short and
in which it does not identify the product or the whole message itself.