the subnet mask for the lan it is in is 222.222.222.0/24. assume both lans are ethernet, and that the route from b to a is one hop through router r. a) what is the destination mac address in the ethernet frame encapsulating the ip datagram as it leaves b and destined for a? explain how you got your answer. b) what would be the destination mac address for an ethernet frame leaving b that encapsulates an ip datagram addressed to 222.222.222.221 instead of to host a? explain how you got your answer.
