CISCO CCNA Exam – Q84

Where does routing occur within the DoD TCP/IP reference model?

A. application
B. internet
C. network
D. transport

Correct Answer: B

Explanation:
The picture below shows the comparison between TCP/IP model & OSI model. Notice that the Internet Layer of TCP/IP is equivalent to the Network Layer which is responsible for routing decision.
CISCO CCNA Exam – Q84