W11L4 - ARP Flashcards
1
Q
What does ARP stand for?
A
Address Resolution Protocol
2
Q
Why ARP?
A
Over ethernet the application can get the IP from DNS. But the OS needs to find out what the destination MAC address is
3
Q
How does ARP work?
A
If there are two connections A and C. If A wants to communicate with C, it will first send a broadcast packet asking C to identify itself. It will then cache the reply
