1. HTTP (Hypertext Transfer Protocol)

Definition: HTTP is the foundation of data communication on the World Wide Web. It is an application layer protocol that enables the transfer of hypertext, supporting the structure for various media types like text, images, and videos.

2. FTP (File Transfer Protocol)

Definition: FTP is a standard network protocol used to transfer files from one host to another over a TCP-based network, such as the internet or an intranet. It allows users to upload or download files and manage their file systems.

3. PPP (Point-to-Point Protocol)

Definition: PPP is a data link layer protocol used for the transmission of network layer data between two nodes on a point-to-point link. It is commonly used for internet connections via dial-up, DSL, or other forms of direct connection.

4. SMTP (Simple Mail Transfer Protocol)

Definition: SMTP is an internet standard for electronic mail (email) transmission. It is used for sending and receiving email messages between servers and is a crucial part of the email communication process.

5. TCP/IP (Transmission Control Protocol/Internet Protocol)

Definition: TCP/IP is a suite of communication protocols that enables the connection of network devices over the internet. It includes protocols like TCP (Transmission Control Protocol) for reliable data delivery and IP (Internet Protocol) for addressing and routing.

6. POP3 (Post Office Protocol Version 3)

Definition: POP3 is an email protocol used for retrieving emails from a mail server to a local device. It allows users to download their emails and read them offline, deleting them from the server in the process.

7. HTTPS (Hypertext Transfer Protocol Secure)

Definition: HTTPS is an extension of HTTP that adds a layer of security through the use of SSL/TLS protocols. It encrypts the data exchanged between a user's browser and the website, ensuring a secure connection, commonly used for online transactions and sensitive data exchange.

8. TELNET

Definition: TELNET is a network protocol used for remote terminal connections. It allows a user to log in to a remote computer and execute commands as if they were directly connected to that computer's console.

9. VoIP (Voice over Internet Protocol)

Definition: VoIP enables the transmission of voice and multimedia content over the internet. It converts analog audio signals into digital data packets, allowing for voice communication over IP networks.

Conclusion

Understanding these network protocols is crucial for comprehending how data is transmitted, shared, and secured across computer networks. As technology continues to advance, these protocols play an integral role in shaping the landscape of communication.

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