which of the following OSI layers are involved?

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With Deep packet inspection, which of the following OSI layers are involved?

A.
Layer 2 through Layer 7

B.
Layer 3 through Layer 7

C.
Layer 2 through Layer 6

D.
Layer 3 through Layer 6

E.
Layer 2 through Layer 5

F.
None of the choices.

Explanation:
Deep packet inspection (DPI) is a form of computer network packet filtering that examines the data
part of a through-passing packet, searching for non- protocol compliance or predefined criteria to
decide if the packet can pass. DPI devices have the ability to look at Layer 2 through Layer 7 of the
OSI model.

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