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 systems 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.