Consider the scenario depicted in the figure below. Suppose that the server sends an IP datagram to the $10\mathrm{.}0\mathrm{.}0\mathrm{.}2.$ What is the destination IP address of this datagram?

a$.138\mathrm{.}76\mathrm{.}29\mathrm{.}7.$

b$.172\mathrm{.}5\mathrm{.}93\mathrm{.}12.$

c$.10\mathrm{.}0\mathrm{.}0\mathrm{.}4.$

d$.10\mathrm{.}0\mathrm{.}0\mathrm{.}255.$

e$.$ None of the given choices.

Consider an organization with network prefix $194\mathrm{.}10\mathrm{.}160/20.$ Which of the following IPv$4$ addresses cannot be assigned in a subnet within the network?

a$.194\mathrm{.}10\mathrm{.}161\mathrm{.}0.$

b$.194\mathrm{.}10\mathrm{.}159\mathrm{.}0.$

c$.194\mathrm{.}10\mathrm{.}174\mathrm{.}0.$

d$.194\mathrm{.}10\mathrm{.}165\mathrm{.}0.$

e$.$ None of the above.

Suppose a router uses lengest prefix match and has the following forwarding table. If the router receives an IP datagram with destination IP address $150\mathrm{.}253\mathrm{.}220\mathrm{.}201,$ through which interface that datagram is going to be forwarded?

$\backslash$table$[[$IP address Prefix,Interface$],[100101101111110111011,0],[1001011011111101110111,1],[10010110111111011101110,2],[$Otherwise$,3]]$

a$.0.$

b$.1.$

c$.2.$

d$.3.$

e$.$ None of the above.