Which layer of the TCP/IP stack combines the OSI model physical and data link layers?

Which layer of the TCP/IP stack combines the OSI model physical and data link layers?

Which layer of the TCP/IP stack combines the OSI model physical and data link layers?

A.
Internet layer

B.
transport layer

C.
application layer

D.
network access layer

Explanation:
The Internet Protocol Suite, TCP/IP,is a suite of protocols used for communication over the
internet. The TCP/ IP model was created after the OSI 7 layer model for two major reasons.
First, the foundation of the Internet was built using the TCP/IP suite and through the spread of
the World Wide Web and Internet, TCP/IP has been preferred. Second, a project researched by
the Department of Defense (DOD) consisted of creating the TCP/IP protocols. The DOD’s goal
was to bring international standards which could not be met by the OSI model.
Since the DOD was the largest software consumer and they preferred the TCP/IP suite, most
vendors used this model rather then the OSI. Below is a side by side comparison of the TCP/IP
and OSI models.



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Invader

Invader

D – Network access layer