Answer:
keeping software programs up-to-date
Explanation:
Steve Jobs and his team at Apple invented the iPhone.
Answer:
C. Mandatory access control
Explanation:
In the implementation of computer security, the mandatory access control (MAC) refers to the implementation of a security feature by operating systems. In this method, individual resource owners’ are unable to deny or grant permissions to a resources contained in a file. The criteria in a MAC when defined by the system administrator is implemented and enforced by the OS.
