$($a$)$ An IPv$6$ only network is shown in Figure $3.$ Answer the following questions:

$($i$)$ Determine the MAC address for $PC1.$

$($ii$)$ Show all the necessary commands to configure the gateway of Subnet

$1$ with the second$-$last usable address.

$($iii$)$ Determine the IPv$6$ interface address of R$1,$ R$2$ and R$3$ in Subnet $2$ if

they are assigned the first usable, second usable and third usable

address respectively.

$($iv$)$ Determine the network address of Subnet $3$ and Subnet $4$ if they are

assigned with the next available subnet from Subnet $2.$

$($v$)$ Show the static route configurations in R$2$ to enable PC$3$ to

communicate with all other devices.