Which of the following is the BEST way to ensure that a server is up-to-date with all updates as soon as they are released?

Which of the following is the BEST way to ensure that a server is up-to-date with all updates as
soon as they are released?

A.
Automatic updates set to install once per week

B.
Automatic updates set to install updates automatically

C.
Automatic updates set to download all updates automatically

D.
Manual updates done daily at noon