Cisco UCS Manager provides the ability to manage power utilization to the blades. Which two statements about UCS Manager power policies are true？ （）

• A、 Power capping helps mainly in reducing data center footprint.
• B、 Power capping helps reduce data center cooling.
• C、 A single power cap group policy allows you to set power limits across multiple UCS domains. 
• D、 You can have multiple power cap groups per UCS domain.
• E、 Each blade within a UCS 5108 chassis can belong to a separate power cap group.