Which of the following is the BEST approach for implementation of the new application on the virtual server?

A new application needs to be deployed on a virtual server. The virtual server hosts a SQL server
that is used by several employees.
Which of the following is the BEST approach for implementation of the new application on the
virtual server?

A.
Take a snapshot of the virtual server after installing the new application and store the snapshot
in a secure location.

B.
Generate a baseline report detailing all installed applications on the virtualized server after
installing the new application.

C.
Take a snapshot of the virtual server before installing the new application and store the
snapshot in a secure location.

D.
Create an exact copy of the virtual server and store the copy on an external hard drive after
installing the new application.