$($i$)$ Explain in detail the entries into the last four fields $($Sender MAC address, Sender

IP address, Target MAC address, and Target IP address$)$ for the following messages:

$1.$ ARP Request;

$2.$ ARP Reply;

$3.$ RARP Request;

$4.$ RARP Reply.

$($ii$)$ Compare and comment on length of each of these messages. Explain whether all

ARP$/$RRAP messages have the same size. How are these messages transmitted?