Figure $1$: Subnetting.

$($a$)$ Based on the information in the Fig. $1,$ design a network addressing scheme that will

supply the minimum number of subnets, and allow enough extra subnets and hosts for

$100\%$ growth in both areas. Answer the following questions:

$($i$)$ What is the address class of the IPv$4$ address in Fig. $1?$

$($ii$)$ What custom subnet mask should be used?

$($iii$)$ What is the minimum number of subnets needed?

$($iv$)$ How many extra subnets are required for $100\%$ growth?

$($v$)$ What is the total number of subnets needed?

$($vi$)$ What is the total number of addresses needed for the largest subnet?

$($vii$)$ What is the IPv$4$ address range for Research?

$($viii$)$ What is the IPv$4$ address range for Marketing?

$($ix$)$ What is the IPv$4$ address range for Management?

$($x$)$ What is the IPv$4$ address range for the RA to RB serial connection?