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    FILE TRANSFER PROTOCOL

                     File Transfer Protocol (FTP) is part of the TCP/IP protocol suite and
                     is used to upload, download and manage files over a network.
                     Its key features include transferring large files easily, supporting
                     both upload and download functions and using a client–server
                     system. It is often used to update website files.
                     FTP is important because it helps users share files and manage
                     online content. It works by connecting to an FTP server through an FTP program. Once connected,
                     you can upload files to the server or download files from it.

                                   Subject: Why Do We Use TCP/IP?

                                   TCP/IP: TCP/IP is the main communication system of the Internet. TCP breaks information into
                                   small packets and reassembles them at the destination. IP finds the best route and delivers the
                                   packets to the correct address.
                                   It allows  computers  on different networks to communicate  smoothly  and reliably. Nearly
                                   everything you do online, from browsing to chatting, happens because of TCP/IP.

                               SIMPLE MAIL TRANSFER PROTOCOL

                     Simple Mail Transfer Protocol (SMTP) is the main protocol used to
                     send emails across the Internet. Its key features include transferring
                     emails from your device to the mail server, moving emails between
                     servers and working efficiently.
                     SMTP is important because, without it, you would not be able to send
                     emails. When you click “Send”, SMTP transfers your message from
                     your computer to the recipient’s mail server.

                               POST OFFICE PROTOCOL VERSION 3

                     Post  Office Protocol  Version 3 (POP3) is used  to
                     receive  emails  by  downloading  them  onto  your
                     device.  Its key  features  include  allowing offline
                     reading,  storing  messages  on your  computer
                     and  deleting  them  from the  server after  they  are
                     downloaded.
                     POP3 is important because it lets users read their emails even without an Internet connection.
                     It works by connecting to the mail server, downloading your emails and saving them onto your
                     device. After downloading, the server usually removes the emails.

                                                                                                  Networking Protocols   27

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