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？（）
- ANewly implemented technologies must minimize the impact on LAN traffic.
- BNewly implemented technologies must minimize the storage requirements.
- CNewly implemented technologies must minimize the amount of bandwidth used on Internet connections.
- DAll patches and updates must be tested in a non-production environment before they are applied to production servers.