Year 11 - Computing
Network hardware and MAC addresses
Network fundamentals
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
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.
Lesson Summary
You will learn to describe how network hardware and MAC addresses are used in local area networks.
Key Notes
- Different network devices have specific roles in managing and transferring data across a network.
- MAC addresses uniquely identify devices and help ensure data is sent to the correct destination.
Vocabulary To Learn
- router: a device that manages the flow of data between computer networks
- switch: a device in a wired network that sends data only to the device that needs it
- media access control address: an address given to a network interface controller, used to uniquely identify devices on a local area network
Common Mistakes To Avoid
- All devices on a network share the same MAC address because they're connected to the same router.
3 Quick Questions (With Answers)
1. Describe the system or process from this lesson in clear steps.
Different network devices have specific roles in managing and transferring data across a network. MAC addresses uniquely identify devices and help ensure data is sent to the correct destination.
2. Define this computing term and give one practical example. 'router'
a device that manages the flow of data between computer networks. Add one real device or system example to prove understanding.
3. Correct this common computing misconception.
Mistake: All devices on a network share the same MAC address because they're connected to the same router. Correction: Each network device has its own unique MAC address assigned to its network interface card (NIC).
More Lessons In This Unit
Browse all guides in the Year 11 Computing guide library.