One measure being implemented to increase the security associated with the use of credit cards for e-commerce transactions is a process that provides an instantaneous rating of a transaction's potential for fraud based on factors such as the value, merchant type, time of day, and previous purchases from a site. What is this process called?

Idon understand these and need some ! ?

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).

Monica and her team have implemented is successfully in an organization. what factor leads to successful is implementation? good between different departments in an organization leads to successful is implementation.