Note: router MAIN$-$R$2$ and switch MAIN$-$S$3$ are already configured. $1.$ Set up Network $0.$ Use either of the available networks $($or see the extra credit challenge$)-$ Configure IPv$4$ and activate port GigGO on router BRANCH$-$R$.-$ Configure switch BR$.$ANCH$-$S$2$: $-$ Line$-$level password: cisco $-$ Privileged exec secret password: class $-$ Set all unused switch ports to be administratively downn. $-$ Configure static IPv$4$s for BRANCH$-$DNS and BRANCH$-$WEB $-$ Enable the DNS server on BRANCH$-$DNS$.$ Add an $"$A$"$ record pointing www neweocem to the web server's $($BRANCH$-$WEB$)$ IP address. COMP$1360,$ Spring, $2023$ Project $\backslash$#$6$ DHCP$,$ DNS and Routers page $22.$ Set up Network $1.$ Use the other available network $($or see the extra credit challenge$)$: a Configure IPv$4$ and activate port Gig$0/1$ on router BRANCH$-$R$1.-$ Configure switch BR$.$ANCH$-$S$1-$ Line$-$level password: cisco $-$ Privileged exec secret password: class $-$ Set all unused switch ports to be administratively dorwn $-$ Configure the BR$.$ANCH$-$DHCP server with static IPv$4.$ a Configure the BRANCH$-$DHCP as a DHCP server for DHCP clients. Make sure your DHCP pool does not overlap your static IP addresses. a Configure the BRANCH$-$PCI and BRANCH PC$2$ to obtain IP configuration automatically. $3.$ Add BRANCH$-$DNS as the DNS server for all servers and PCis on all networks $($including MAIN$-$PC$3)$ Extra Credit Challenge $(2$ points$)!$ Subnet the $192\mathrm{.}168\mathrm{.}1\mathrm{.}0/24$ network for both network $0$ and network. $1.$ In this case, the $\backslash (192\mathrm{.}168\mathrm{.}2\mathrm{.}0/24\backslash )$ network will not be used, freeing up these IP addresses for other purposes.