Which of the following devices would be the MOST efficient way to filter external websites for staff on an
internal network?
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A.
Protocol analyzer
B.
Switch
C.
Proxy
D.
Router
Explanation:
A proxy is a device that acts on behalf of other devices. All internal user communications with the Internet could
be controlled through a proxy server, which can be configured to automatically filter out or block certain sites
and content. It can also cache often-accessed sites to improve performance.