Complete the diagram of the 4-layer TCP/IP model - Edexcel - GCSE Computer Science - Question 2 - 2023 - Paper 1
Question 2
Complete the diagram of the 4-layer TCP/IP model.
Name the network topology that uses terminators to absorb signals.
Identify the reason computers are connected ... show full transcript
Worked Solution & Example Answer:Complete the diagram of the 4-layer TCP/IP model - Edexcel - GCSE Computer Science - Question 2 - 2023 - Paper 1
Step 1
Complete the diagram of the 4-layer TCP/IP model.
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Answer
The 4-layer TCP/IP model consists of the following layers:
Application
Transport
Internet
Link
Step 2
Name the network topology that uses terminators to absorb signals.
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Answer
The network topology that uses terminators to absorb signals is called a Bus Topology.
Step 3
Identify the reason computers are connected in a network.
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Answer
Computers are connected in a network to share peripherals.
Step 4
State the network protocol used to request a webpage.
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The network protocol used to request a webpage is HTTP (HyperText Transfer Protocol).
Step 5
Explain one benefit to a user of using IMAP to access emails.
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Answer
One benefit of using IMAP (Internet Mail Access Protocol) is that it allows users to access their emails from multiple devices, as emails remain stored on the server and can be synchronized across various platforms.
Step 6
Explain one other method of physical security that could be used to protect the servers.
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One method of physical security that could protect the servers is the implementation of biometric locks. This would prevent unauthorized access by requiring a unique physical identifier, such as a fingerprint or retina scan, to enter the server room.
Step 7
Describe how a router enables data to arrive at its destination.
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A router enables data to arrive at its destination by using various routing algorithms to determine the most efficient path for data packets. It analyzes the network traffic and forwards data packets to the appropriate next hop towards their final destination, ensuring optimal data transmission.
