Answer:
FIN
Explanation:
A TCP is an acronym for Transmission Control Protocol and it is one of the essential and important protocol of the internet protocol network. This simply means that, it is an essential part of the TCP/IP network.
The TCP has a wide range of applications in the following areas, file transfers, world wide web, remote administration, e-mail, etc.
The TCP connection are mainly established in the network using the three-way handshake.
A TCP FIN segment is a request to the other transport process to close a connection. The FIN in transmission control protocol (TCP) is an acronym for finish and it involves the packets associated with termination or closing of a network connection.
Generally, the TCP in networking is made up of all of the following flag bits, namely;
1. SYN: used for synchronizing packets associated with a connection.
2. ACK: this is mainly where an acknowledgement of packets in a network takes place.
3. FIN: it is used for closing connections.
4. PSH: used for pushing packets that are to meant to be delivered at the far end.
5. RST: used as a reset in times of errors in the connection.
6. URG: used to denote urgent and high priority packets in the network.
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