What should be performed prior to the installation of a software product into its environment, due to the difficulty of testing after deployment?

In Excel, C10 is an example of a cell address

Indicate whether the statement is true or false

Which of the following best describes discretionary access control?

A. The information owner decides who has access to resources. B. Access to resources is determined based on the need to know principle. C. Access to resources is decided by the system based on the concept of subjects, objects, and labels. D. Users are grouped based on a common access need, such as job function.