$6\mathrm{.}4-11$ Network$-$ and Link$-$layer addressing: an end$-$to$-$end$-$scenario $(3$b$).$ Consider the network shown below. The IP and MAC addresses are shown for hosts A$,$ B$,$ C and D$,$ as well as for the router's interfaces. Consider an IP datagram being sent from node C to node A $($note: from right to left$).$ Match the source$/$destination network$-$ or link$-$layer address at the location $(3)$ by choosing a value from the pulldown list