Which of the following devices would be the MOST efficient way to filter external websites for staff on an
internal network?
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.