Question

Explain three types of Protocol.

Answer 1

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Common Internet protocols include TCP/IP (Transmission ControlProtocol/Internet Protocol), UDP/IP (User Datagram Protocol/InternetProtocol), HTTP (HyperText TransferProtocol) and FTP (File TransferProtocol). TCP/IP is a stream protocol. This means that a connection is negotiated between a client and a server.

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Answer 2

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• HTTP or HTTPs

This stands for Hypertext Transfer Protocol or Hypertext Transfer Protocol (secure). The secure version is encrypted, meaning that we are going to encrypt all the data as we send it from the client to the server.

• FTP (File Transfer Protocol)

The FTP allows us to transfer files from a client to a server or from a server to a client.

• Email Protocols (POP3, IMAP, SMTP)

Email is specifically designed for transferring files. We are transferring files that are actually in the format of these email documents. For email, we have three protocols we use. Two of them are used by a client to retrieve mail from a server. So POP and IMAP are explicitly used to take email messages that live currently on a server, maybe Gmail or maybe your company’s email server, and they use it to transfer those email messages over to your client, some type of mail client that resides on your workstation.