You are evaluating whether to use express installation files as an update distribution mechanism. Which technical requirement is met by using the express installation files？（）

A.Newly implemented technologies must minimize the impact on LAN traffic.

B.Newly implemented technologies must minimize the storage requirements.

C.Newly implemented technologies must minimize the amount of bandwidth used on Internet  connections.

D.All patches and updates must be tested in a non-production environment before they are applied to production servers.