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Network fundamentals

Network fundamentals

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Why this why now

Having already explored the basics of networks, pupils are now ready to examine how they function in greater depth. Understanding network models, hardware and data transmission is essential for appreciating how modern communication systems operate. By analysing how networks are built and managed, pupils develop a deeper awareness of the systems that underpin digital communication and the importance of reliability, speed and security in an interconnected world.

Prior knowledge requirements

  • Pupils recognise that computers can be connected together in networks.
  • Pupils understand that computers on networks follow protocols in order to communicate.
  • Pupils can identify common applications of computer networks.

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Why this why now

Having already explored the basics of networks, pupils are now ready to examine how they function in greater depth. Understanding network models, hardware and data transmission is essential for appreciating how modern communication systems operate. By analysing how networks are built and managed, pupils develop a deeper awareness of the systems that underpin digital communication and the importance of reliability, speed and security in an interconnected world.

Prior knowledge requirements

  • Pupils recognise that computers can be connected together in networks.
  • Pupils understand that computers on networks follow protocols in order to communicate.
  • Pupils can identify common applications of computer networks.

Network fundamentals

In this unit pupils will be develop their understanding of computer networks by looking at network models and the tasks performed by network hardware. They will discover the differences between wired and wireless transmission media and the factors that can affect the performance of a network.

9 lessons in unit

  1. 1

    Network basics

    I can explain the benefits and drawbacks of computer networks and how they are implemented as peer-to-peer models.
  2. 2

    Types of network

    I can describe how devices operate in a client–server network and explain the purpose of different types of networks.
  3. 3

    Network hardware and MAC addresses

    I can describe how network hardware and MAC addresses are used in local area networks.
  4. 4

    Network topologies

    I can describe and compare different network topologies, including their advantages and disadvantages.
  5. 5

    Wired networks

    I can describe how wired networks are connected using different types of transmission media.
  6. 6

    Wireless networks

    I can describe how wireless networks work and what advantages and drawbacks they have.
  7. 7

    Network addressing

    I can explain how different types of network addressing are combined to enable devices to communicate on a network.
  8. 8

    Network performance

    I can explain the factors affecting network performance.
  9. 9

    The impact of network failure

    I can explain the effects of network failure and describe methods used to reduce its impact.

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