The impact of network failure
I can explain the effects of network failure and describe methods used to reduce its impact.
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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Lesson details
Key learning points
- Network failure causes data loss, communication issues, financial loss and damages reputation.
- Redundancy, maintenance and disaster recovery reduce the impact of network failure.
Keywords
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 misconception
Network failure just means the internet stops working for a bit; it’s annoying but not serious.
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.
To help you plan your year 11 computer science lesson on: The impact of network failure, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 11 computer science lesson on: The impact of network failure, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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The assessment exit quiz will test your pupils' understanding of the key learning points.
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Explore more key stage 4 computer science lessons from the Network fundamentals unit, dive into the full secondary computer science curriculum, or learn more about lesson planning.
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Lesson video
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Prior knowledge starter quiz
6 Questions
Q1.Which factor is most likely to slow down a network when too many devices are connected?
Q2.What does latency measure in a network?
Q3.If a file is very large, what will happen to the transmission time compared to a transmitting small file?
Q4.Which device is responsible for choosing the best route for data in a network?
Q5.Complete the formula for calculating how long it takes to transmit a file:
time = size of file (in bits) ÷ (in bits per second).
Q6.Match each network issue to its effect:
causes delays in communication
slows down data movement
leads to congestion
reduces bottlenecks
Assessment exit quiz
6 Questions
Q1.What is a possible consequence of network failure in a hospital?
Q2.Which term describes a network’s ability to recover quickly from problems?
Q3.What is the term for having backup parts or systems in a network to keep it running if something fails?
Q4.Match each term to its description:
ability to recover quickly from issues
having backups to keep services running
regular checks to prevent problems
plan to restore services after a major problem