a column family database is a nosql database model that organizes data in key-value pairs with keys mapped to a set of columns in the value component?

The editing of digital photos us about the same level of difficulty as editing an analog photo

How do you take a green screen out of the video while editing?

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).