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Module 5: Application Layer & Security

20222m

A proxy server is used as the computer

(i) with external access
(ii) acting as a backup
(iii) performing file handling
(iv) accessing user permissions

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Answer: (i) with external access

Why: A proxy server sits between the internal clients and the outside internet, fetching resources on their behalf — so it is the computer with external access that works on behalf of internally-restricted hosts. It is not a backup machine, a file-handling server, or a permission-management host.

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