We will need $7,000$ PC users, $500$ Laptops, $70$ Servers and $2$ users for R$-$to$-$R Subnet $0=$ PC R$1$ na $=\_172\mathrm{.}16\mathrm{.}0\mathrm{.}0/19\_$ ba $=\_172\mathrm{.}16\mathrm{.}31\mathrm{.}255\_$ SM $=\_255\mathrm{.}255\mathrm{.}224\mathrm{.}0\_\_$

Subnet $1=$ Laptops R$2$ na $=172\mathrm{.}16\mathrm{.}32\mathrm{.}0/23\_\_$ ba $=\_\_172\mathrm{.}16\mathrm{.}33\mathrm{.}255\_\_$ SM $=\_255\mathrm{.}255\mathrm{.}254\mathrm{.}0\_\_$

Subnet $2=$ Server R$3$ na $=\_\_172\mathrm{.}16\mathrm{.}34\mathrm{.}0/25\_\_$ ba $=\_172\mathrm{.}16\mathrm{.}34\mathrm{.}127\_$ SM $=\_\_255\mathrm{.}255\mathrm{.}255\mathrm{.}128\_$

Subnet $3=$ R$1-$to$-$R$2$ na $=172\mathrm{.}16\mathrm{.}34\mathrm{.}128/30\_\_\_$ ba $=\_172\mathrm{.}16\mathrm{.}34\mathrm{.}131\_\_\_$ SM $=\_\_255\mathrm{.}255\mathrm{.}255\mathrm{.}252\_$

Subnet $4=$ R$2-$to$-$R$3$ na $=\_172\mathrm{.}16\mathrm{.}34\mathrm{.}130/30\_\_$ ba $=\_\_172\mathrm{.}16\mathrm{.}34\mathrm{.}131\_\_$ SM $=\_255\mathrm{.}255\mathrm{.}255\mathrm{.}252\_\_$

$15.$ What network commands would be needed to advertise subnets for Router $1?$

$16.$ How is RIPv$2$ activated on a Router?

$17.$ What is the Administrative Distance for RIP?

$18.$ What is a default route?

$19.$ What is a Loopback address? What is the ipv$4$ Lo$?$