CompTIA Exam Questions

Which of the following could BEST prevent this issue from occurring again?

A recently installed application update caused a vital application to crash during the middle
of the workday. The application remained down until a previous version could be reinstalled
on the server, and this resulted in a significant loss of data and revenue. Which of the
following could BEST prevent this issue from occurring again?

A.
Application configuration baselines

B.
Application hardening

C.
Application access controls

D.
Application patch management