You are configuring an FTP client application on your comput

You are configuring an FTP client application on your computer so that you can transfer data from your computer to your company’s FTP server for storage. You enter the IP address of the server host and your username. What do you enter when prompted for a port number?

A. 21

B. 25

C. 80

D. 110

Solution

A.21

FTP run in active or passive mode, and determines how the data connection is established. the client creates a TCP control connection ,port N to the FTP server command port 21.