Encryption (2 marks)
Describe encryption and give an example of how it contributes to network security.
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AQA (8525)
Authentication (2 marks)
Explain what authentication is and provide an example of when it would be used in a network.
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Importance of Network Security (2 marks)
Why is network security crucial in modern computer networks?
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FTP, SMTP, and IMAP (3 marks)
Explain the purpose of FTP, SMTP, and IMAP in the context of network protocols.
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TCP vs. UDP (4 marks)
Compare and contrast the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP).
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Purpose and Use of Wi-Fi (2 marks)
What is the purpose of Wi-Fi and why is it referred to as a family of protocols?
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Purpose and Use of Ethernet (2 marks)
Explain the purpose and use of Ethernet in networking.
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Definition of a Network Protocol (1 mark)
What is a network protocol?
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Selecting an Appropriate Topology (4 marks)
A small business is setting up their first office with 8 computers and wants to ensure that the network is robust but cost-effective. Which topology would be most appropriate for this scenario and why?
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