5. Why does ARP only apply to machines on local subnets

pravjot

014.01.62.5. Why does ARP only apply to machines on local subnets, and how does a host handle communication with destinations outside its subnet? Explain the role of ARP in reaching destinations beyond the local subnet.

This question examines the candidate's understanding of the scope of ARP and its limitations. It also evaluates their knowledge of how hosts handle communication beyond local subnets and the role ARP plays in that process.

gaurav133232

Reaching the destinations outside the host's subnet, the host sends the packet to the router. However, the host needs to know the MAC address for the router and uses ARP to find it. The problem with ARP is that the system's cache gets out of date while moving an IP address from one network interface card to another as they have differnet MAC addresses.

5. Why does ARP only apply to machines on local subnets

014.01.62.5. Why does ARP only apply to machines on local subnets, and how does a host handle communication with destinations outside its subnet? Explain the role of ARP in reaching destinations beyond the local subnet.

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