An administrator finds that non-production servers are being frequently compromised, production
servers are rebooting at unplanned times and kernel versions are several releases behind the
version with all current security fixes.
Which of the following should the administrator implement?

A.
Snapshots

B.
Sandboxing

C.
Patch management

D.
Intrusion detection system

Explanation:
Patch management is the process of maintaining the latest source code for applications and
operating systems by applying the latest vendor updates. This helps protect a systems from newly
discovered attacks and vulnerabilities.