How much time is typically required for monitoring and securing your server systems from threats and issues?

A.
Once a month.

B.
A few hours only, on a weekly basis.

C.
A couple of hours or more, on a weekly basis.

D.
None of the above.

Explanation:
You should minimally monitor and secure your server systems from threats and issues for a couple of hours or more, on a weekly basis.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 458-459.