A company has 260 clients and one server. The server appears to be compromised by a security hole. The operating system manufacturer has provided a security patch. Which two actions should be taken next? (Select TWO)

A.
contact the system supervisor and ask about the installation process

B.
backup the system completely and install the patch

C.
install the patch on the server directly

D.
call the manufacturer’s security department and inquire about the installation process

E.
send an email to the manufacturer helpdesk to check on compatibility with the company’s hardware

F.
test the patch in a lab before installing it on the server