When planning for redundant power sources in a server deployment， which of the following should be purchased？（）A、RAID controllersB、Multiple UPSsC、Redundant coolingD、Dual NICsE、Redundant power supplies
题目
When planning for redundant power sources in a server deployment， which of the following should be purchased？（）
- A、RAID controllers
- B、Multiple UPSs
- C、Redundant cooling
- D、Dual NICs
- E、Redundant power supplies