Which of the following is the FIRST course of action before implementing a change to a server?（）A、Survey users to get their response to the potential server change.B、The change should be approved by management.C、Switch over to the alternate site so users are not affected.D、Implement RAID so the server does not go offline.
Which of the following is the FIRST course of action before implementing a change to a server?（）
- A、Survey users to get their response to the potential server change.
- B、The change should be approved by management.
- C、Switch over to the alternate site so users are not affected.
- D、Implement RAID so the server does not go offline.
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