What are Internet protocols and utility programs?

The general set of rules that define how different devices in a network will communicate are called protocols. A common set of rules called protocols is created to conduct a hassle-free data transfer to and from a computer network using various technologies such as Ethernet, Token Ring, or any type of connection such as bus or star. TCP/IP, FTP, HITP are the most common protocols. Apart from SMTP, POP, SSL, Telnet, Finger, Ping, and Tracert are some of the important utilities that make the following Internet services possible:

Internet protocols utility programs

(i) TCP/IP (Transmission Control Protocol/Internet Protocol) is a collection of protocols. It provides the rules of communication between computers using different technology.

(ii) FTP (File Transfer File) is used to transfer files from server to client and vice versa.

(iii) HTTP (Hypertext Transfer Protocol) delivers the requested web pages, allowing users to view them.

(iv) SMTP (Simple Mail Transfer Protocol) enables mail to be routed to a mail server and then picked up by the recipient’s server. POP allows recipients to download mail from the server.

(v) IMAP (Internet Message Access Protocol) enables mail to be sorted before it is downloaded by the recipients.

(vi) SSL (Secure Sockets Layer) ensures that information transmissions are encrypted.

(vii) Telnet is a utility program that enables remote working.

(viii) Finger is a utility program that allows you to find out who is logged in on a remote network.

(ix) Ping is a utility program that allows users to verify the connection between a client and a server. Tracert lets you track the route of messages from the client to the remote computer.

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