Year 11 - Computing
The impact of network failure
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 explain the effects of network failure and describe methods used to reduce its impact.
Key Notes
- Network failure causes data loss, communication issues, financial loss and damages reputation.
- Redundancy, maintenance and disaster recovery reduce the impact of network failure.
Vocabulary To Learn
- resilience: the ability of a network to recover quickly from problems like failures or attacks, so services can continue with little or no disruption
- redundancy: having backup parts such as servers or power supplies in a network so it can keep working even if something breaks
Common Mistakes To Avoid
- Network failure just means the internet stops working for a bit; it's annoying but not serious.
3 Quick Questions (With Answers)
1. Describe the system or process from this lesson in clear steps.
Network failure causes data loss, communication issues, financial loss and damages reputation. Redundancy, maintenance and disaster recovery reduce the impact of network failure.
2. Define this computing term and give one practical example. 'resilience'
the ability of a network to recover quickly from problems like failures or attacks, so services can continue with little or no disruption. Add one real device or system example to prove understanding.
3. Correct this common computing misconception.
Mistake: Network failure just means the internet stops working for a bit; it's annoying but not serious. Correction: Network failure can lead to data loss, financial damage and safety risks in sectors like healthcare. It is more than just an inconvenience and can impact lives and businesses.
More Lessons In This Unit
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