what feature will you choose if want to upgrade all packages installed on your gateway?

SmartUpdate is the primary tool used for upgrading Check Point gateways. When upgrading your gateway, what feature will you choose if want to upgrade all packages installed on your gateway?

A.
Minimal Effort Upgrade

B.
Add Package to Repository

C.
Upgrading the Gateway

D.
Upgrade All Packages

E.
Zero Effort