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Chapter 14: Communication and Internet Technologies


Description

In this chapter, you will learn about

  • ★  the need for protocols during communication

  • ★  the implementation of protocols such as a stack

  • ★  TCP/IP protocols, including the four layers (Application, Transport,

    Internet and Link), the purpose and function of the four layers, and application when a message is sent from one host to another on the internet

  • ★  HTTP, FTP, POP3/4, IMAP, SMTP and BitTorrent protocols (such as BitTorrent provides peer-to-peer file sharing)

  • ★  circuit switching (including benefits and drawbacks)

  • ★  the benefits and drawbacks of packet switching

  • ★ the function of a router in packet switching

  • ★  the use of packet switching to pass messages across the network (including internet)

Content
  • What you should already know
  • What you should already know- Knowledge check
  • Key Terms
  • 14.1.1 The need for protocols
Completion rules
  • All units must be completed
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