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 system from newly discovered attacks and
vulnerabilities.