Which two layers of the OSI model are combined in the Internet protocol suite network access layer?

Which two layers of the OSI model are combined in the Internet protocol suite network access
layer? (Choose two.)

A.
1

B.
2

C.
3

D.
4

E.
5

F.
6

G.
7

Explanation:
http://en.wikipedia.org/wiki/Internet_protocol_suite