Syllabus Detail

  • Protocol types; FTP, HTTP, HTTPS, SMTP, WAP

File Transfer Protocol (FTP)

  • Is the standard to transfer files between a client and a server.
  • You login to a server with an FTP program such as Cyberduck or FileZilla
  • You then upload and download files.
  • The protocol explains to companies who make file transfer programs exactly how to set them up correctly.

HyperText Transfer Protocol (HTTP)

  • This is the request, response protocol
  • A client starts the request by typing into the web address bar...http
  • If the web address is correct, it will send the page.
  • If the web address is NOT correct, it will send error 404, Page not found
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HyperText Transfer Protocol Secure (HTTPS)

  • Same as above, BUT is uses encryption by Secure Socket Layer (SSL)
  • The web server authenticates with the password, if successful a session key is used to encrypt all transmitted data.
  • Very important to use SSL  for a website that uses credit card transactions. It protects these details.
  • More from wikipedia

Simple Mail Transfer Protocol (SMTP)

  • Is the internet standard for using email.
  • It states how the programs that send and receive email should be made.
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Wireless Access Protocol (WAP)

  • Is the standard protocol for advanced messaging and data services for wireless devices.
  • It standardises the way that wireless devices work.
  • More from wikipedia
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