Correct answer only plzz​

Which database model is best used for data warehouse and data mining

1. you have a small business that is divided into 3 departments: accounting, sales, and administration. these departments have the following number of devices (computers, printers, etc.): accounting-31, sales-28, and administration-13. using a class c private network, subnet the network so that each department will have their own subnet. you must show/explain how you arrived at your conclusion and also show the following: all available device addresses for each department, the broadcast address for each department, and the network address for each department. also, determine how many "wasted" (not usable) addresses resulted from your subnetting (enumerate them).

Afashion designer wants to increase awareness about her brand. which network can she use and why she can use the blank to blank her products online. answers for the first blank: internet, extranet, or intranet answers for the second blank: market, design, and export