a) i) Define what is meant by a ‘proxy server’?


ii) Provide THREE benefits of using a proxy server.

b) What are the differences between a Static and a Dynamic Website?

c) Explain the role of DNS in the operation of the Internet.

d) i) Outline THREE threats a company can face against their computer network environment from an external attacker.

ii) How can a company protect themselves from the threats you identified in part i)?

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