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Which layer of the OSI/RM do proxy servers usually address?

Which layer of the OSI/RM do proxy servers usually address?

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A.
Physical layer

B.
Network layer

C.
Transport layer
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D.
Application layer

Explanation:
Most proxy servers, for example proxy server firewalls, work at the application layer.
Incorrect Answers:
A: A proxy server does not work usually work at the physical layer.
B: A proxy server could work at the network layer, but it is usually run at the application layer.
C: A proxy server could work at the transport layer, but it is usually run at the application layer.

30 Comments on “Which layer of the OSI/RM do proxy servers usually address?

  1. Noah The White Supremacist says:

    According to national security policies by the government agency KKK, all computers can only be owned by white people henceforth starting April 1, 2017.




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