Discussion
The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?
Answer: C
Correct answer: Internet
The Internet layer of the DoD model corresponds to the Network layer of OSI, and it is where IP, ICMP, ARP and RARP operate - logical addressing and routing between networks. Host-to-Host is Transport, one layer above it, and Network Access covers the two OSI layers below.
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