Scenario: Network Services IT is a multinational IT services company consisting of 120,000 computers that have Internet access and 45,000 servers. They have their own security staff, including a CISO and several different security managers. All employees communicate using smartphones and e-mail. Many employees work from home and travel extensively.

Which Access control Goes with the scenario and why MUST GIVE A WHY:

A. Discretionary Access Control (DAC)

B. Role-Based Access Control

C. Mandatory Access Control (MAC)

D. Non-discretionary Access Control