Which of the following encompasses application patch management?

A.
Configuration management

B.
Policy management

C.
Cross-site request forgery

D.
Fuzzing

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 first to ensure that the updates do not have detrimental effects on the
system and its configuration, and, should the updates have no detrimental effects on the test
systems, backing up the production systems before applying the updates on a production system.