Topic 5

Cards (16)

  • Uses of communication protocols include:
    • HTTP
    • HTTPS
    • FTP
    • POP
    • IMAP
    • SMTP
    • TCP/IP
  • Explanation of layers in the TCP/IP protocol stack
  • HTTP (Hypertext Transfer Protocol) is used for accessing and receiving web pages via the Internet
  • HTTPS (Secure HTTP) encrypts information for security
  • Websites like banks, online shops, and social networks use HTTPS for secure data transmission
  • FTP (File Transfer Protocol) is used for sending or retrieving files to or from an FTP server
  • Emails are sent using SMTP protocol and accessed using POP or IMAP protocols
  • POP (Post-Office Protocol) downloads messages to the local device, while IMAP leaves messages on the server
  • SMTP is an email protocol used for sending emails
  • TCP (Transmission Control Protocol) breaks up messages into packets and reassembles them at the other end
  • IP (Internet Protocol) routes packets from one IP address to another
  • The TCP/IP protocol stack consists of four layers: Application, Transport, Internet, and Link
  • Different protocols operate at different layers for communication on the Internet
  • Advantages of layers in protocols include self-containment and interoperability between different hardware and software
  • Data packets move through layers upon arrival for processing and display to the user
  • Plenary activity involves identifying acronyms like HTTP, HTTPS, FTP, POP, IMAP, SMTP, TCP/IP