Which of the Following Is True for Patch Management

Multiple Choice

Which of the following is true for patch management?

A) It helps in testing the correctness of individual modules and the integration of multiple modules of a system.
B) It helps in the process of transforming the system design into a working computer system.
C) It helps in performing corrective or preventive maintenance for a system.
D) It helps in decommissioning the current system and installing the new system in the organization.
E) It helps to develop system documentation that details the inner workings of the system to ease future maintenance.