A technician has implemented a system in which all workstations on the network will receive security updates
on the same schedule. Which of the following concepts does this illustrate?

A.
Patch management

B.
Application hardening

C.
White box testing

D.
Black box testing

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. A part of patch management is testing the effects of vendor updates on a test system before
applying the updates on a production system, and scheduling updates.