3. Internet Protocols

Internet Protocols

  • TCP/IP (Transmission Control Protocol/Internet Protocol):
    • TCP: Ensures reliable, ordered, and error-checked delivery of data.
    • IP: Handles addressing and routing of data packets.
  • HTTP/HTTPS (HyperText Transfer Protocol/Secure):
    • HTTP: Used for transferring web pages.
    • HTTPS: Secure version of HTTP, using encryption (SSL/TLS).
  • FTP (File Transfer Protocol): Used for transferring files between computers.
  • SMTP/IMAP/POP3 (Simple Mail Transfer Protocol/Internet Message Access Protocol/Post Office Protocol):
    • SMTP: Sends emails.
    • IMAP/POP3: Retrieves emails from a server.