$2.$ ip address $10\mathrm{.}10\mathrm{.}20\mathrm{.}0255\mathrm{.}255\mathrm{.}255\mathrm{.}224$ How many host IP addresses are available in each subnet using this subnet mask? $3.$ Shutdown What is the purpose of this command when it is applied to an interface? $4.$ router rip What is the purpose of this command and from what prompt is this command issued? $5.$ version $2$ What is the purpose of using this command and from what prompt is this command issued? $6.$ network $10\mathrm{.}0\mathrm{.}0\mathrm{.}0$ What is the purpose of this command and from what prompt is this command issued?