Q-1:

A router wishes to send an IP packet to a host on its subnet. It knows the hosts IP address. a) What else must it know?

b) Why must it know it?

c) What message will it broadcast?

d) Which device will respond to this broadcast message?

e).Does a router have to go through the ARP process each time it needs to send a packet to a destination host or to a next-hop router? Explain.

f) Is ARP used to find the destination DLL destination addresses of destination hosts, routers, or both?

g) At what layer does the ARP protocol operate?

h) Why must client PCs use ARP to transmit packets? The answer is not in the text.

Q-2:

a) Why can TCP handle long application messages?

b) Why can UDP not handle long application messages?

c) What is the maximum application message size when UDP is used at the transport layer?