How would a technician implement a security patch in an enterprise environment?

A.
Download the patch from the vendors secure website and install it on the most vulnerable workstation.

B.
Download the patch from the vendors secure website, test the patch and install it on all workstations.

C.
Download the patch from the vendors secure website and install it as needed.

D.
Download the patch from the Internet, test the patch and install it on all of the production servers.