To solve this question, the user needs to know what FTP is and what parameters it uses. FTP (File Transfer Protocol) is a standard network protocol used to transfer files from one host to another over the Internet.
Now, let's go through each option and explain why it is right or wrong:
A. GET: This option is a valid FTP parameter. It is used to retrieve a file from a remote server.
B. PUT: This option is a valid FTP parameter. It is used to upload a file to a remote server.
C. EXIT: This option is not a valid FTP parameter. It is a command to exit the FTP client.
D. BYE: This option is a valid FTP parameter. It is used to terminate an FTP session.