Consider the figure below. The IP and MAC addresses are shown for nodes A$,$ B$,$ C and D$,$ as well as for the router's interfaces. Consider an IP datagram being sent from node A to node B$.$ Fill the encapsuled addresses at each point.Consider the figure below. The IP and MAC addresses are shown for nodes A$,$ B$,$ C and D$,$ as well as for the router's interfaces.

Consider an IP datagram being sent from node $D$ to node $A.$

a$)$ What is the destination IP address at point $5?$

b$)$ What is the source mac address at point $2?$

c$)$ What is the source mac address at point $5?$

d$)$ What is the destination mac address at point $5?$