Which of the following considerations should be given to upgrade firmware and make the change as transparent as possible to users?

A company has implemented a change management process that allows standard changes during business hours. The company’s private cloud hardware needs firmware updates and supports rolling upgrades.

Which of the following considerations should be given to upgrade firmware and make the change as transparent as possible to users?
A . Implement the change as a standard change.
B . Notify users before applying the change during the day.
C . Fail the application over to perform the upgrade.
D . Perform the change during off-hours to minimize the impact on users.

Answer: B