Computer systems June 2025, Question 4 33 marks
A youth centre is creating a network with 20 computers in a single building that will be connected in a Local Area Network (LAN).
Identify two reasons why this network will be a LAN and not a Wide Area Network (WAN).
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The network design connects the computers in a mesh topology.
Describe what is meant by a mesh topology.
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Describe one benefit and one drawback of the network using a mesh topology instead of a star topology.
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The network design originally only had wired connections. The design is updated to include wireless connections via Wi-Fi.
Explain the benefits to the youth centre of also providing Wi-Fi connections.
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The decision to use wired and/or wireless connections can affect the performance of the network.
Complete the table by explaining how each factor can affect the performance of a network.
| Factor | How it affects performance |
| Bandwidth | ............................................................................................................ ............................................................................................................ ............................................................................................................ ............................................................................................................ |
| Number of users accessing the network at the same time | ............................................................................................................ ............................................................................................................ ............................................................................................................ ............................................................................................................ |
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The youth centre is going to store data about users and events using cloud storage.
Describe the drawbacks to the youth centre of storing the data on the cloud.
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Users will have access to the internet.
Identify one device that will be required to allow the LAN to connect to the internet.
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The computers will be allocated an IPv4 address.
Tick (β) one box on each row to identify if the IPv4 address is valid or invalid.
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When a user wants to access a website they enter the URL into the address bar of a web browser.
Describe the steps that take place to convert the URL into the websiteβs IP address.
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Identify one piece of legislation that the youth centre will need to follow when storing usersβ data and describe the steps they need to take to meet the requirements of this legislation.
Steps the youth centre needs to follow........
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