Question

What layer does Protocol ARP belong to in the DOD model? and in the OSI Model? Port#? What does it stand for and what does it do?

A) DOD Model: Network, OSI Model: Data Link, Stands for: Address Resolution Protocol, Function: Resolving IP addresses to MAC addresses
B) DOD Model: Data Link, OSI Model: Physical, Stands for: ARP Request Protocol, Function: Requesting address resolution
C) DOD Model: Transport, OSI Model: Transport, Port: 67, Stands for: Address Routing Protocol, Function: Routing based on address
D) DOD Model: Application, OSI Model: Application, Port: 520, Stands for: ARP Application Protocol, Function: Application layer for ARP

Answer 1

ARP belongs to the Network layer in the DOD model and the Data Link layer in the OSI model. It resolves IP addresses to MAC addresses.

Step-by-step explanation:

ARP (Address Resolution Protocol) belongs to the Network layer in the DOD model and to the Data Link layer in the OSI model. It resolves IP addresses to MAC addresses. ARP is responsible for finding the MAC address of a device in the same local network based on its IP address.

ARP does not have a specific port number assigned to it because it operates at a lower level than ports. It uses broadcast messages to communicate directly with devices in the same network.