Question

Ftp uses the services of tcp for exchanging control information and data transfer. could ftp have used the services of udp for either of these two connections? explain.

Answer 1

FTP:

• FTP is acronym for file transfer protocol. FTP referred as a standard network protocol that transfer files between the client and server.

• FTP is used two ports for the communication that is FTP required two transmission control protocol (TCP) connections. One port to setup/teardown the process and another port is used to exchange data. Following ports are required for FTP,

• For setup/ teardown, port number 21 is required.

• To exchange data, port number 20 is required.

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