FTP (File Transfer Protocol) is a network protocol for transmitting files between computers over Transmission Control Protocol/Internet Protocol (TCP/IP) connections. Within the TCP/IP suite, FTP is considered an application layer protocol.
Explanation:
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THE PRO IS THAT IT ALLOWS PEOPLE TO RESEARCH INFORMATION. THE CON IS THAT PEOPLE ARE ABLE TO DO MEAN THINGS ON THE INTERNET. FOR EXAMPLE, CYBER-BULLYING. PLEASE HIT THE THANKS BUTTON. :)