When writing a clock application, the second hand on a clock is controlled by the ____ loop.

How many bits are in an IPv4 subnet mask?

a. 8 b. 16 c. 32 d. 64

After a merger, it was determined that several individuals could perform the tasks of a network administrator in the merged organization. Which of the following should have been performed to ensure that employees have proper access?

A. Time-of-day restrictions B. Change management C. Periodic auditing of user credentials D. User rights and permission review