help me solve this, please

7. (6 points) Consider a network shown below, consisting four hosts and one router R. The MAC and IP address of each NIC are listed in the figure. If host A wants to send a packet to host D, 1) if A knows all the IP and MAC addresses, please show the source MAC address, destination MAC address, source IP address and destination IP address for the packet in each link. 2) If A does not know the MAC address of Host D, what protocol should A use before transmitting the packet? R 192.168.1.1 00-00-00-00-00-00 192.168.2.1 44-44-44-44-44-44 D B 192.168.2.2 33-33-33-33-33-33 192.168.1.3 11-11-11-11-11-11 192.168.1.2 22-22-22-22-22-22 192.168.2.4 66-66-66-66-66 (1) Source MAC address Dest. MAC address Source IP address Dest. IP address From A to R From R to D (2)