Which of the following are attributes of a hardware-based RAID controller？（）
A. Backs up data
B. Less expensive than software RAID
C. Vendor neutral implementation
D. Accessible through a BIOS interface
E. More host CPU usage than software RAID
F. Accessible through a system utility after the OS has been loaded
G. May retain data in the event of a power outage
Which of the following is the MOST important consideration before making a change to a server？（）
A. Explore the ramification of the change before implementation.
B. Determine the service level agreement in place before implementation.
C. Review the equipment disposal procedures and policies before implementation.
D. Notify all staff members of the planned system outage before implementation.
企业对政府的电子商务通常称为（）。
A. BtoC
BtoB
C. BtoG
D. CtoC
根据基金单位买卖方式的不同，基金可以分为（）。
A. 封闭型基金和开放型基金
B. 公司基金和契约性基金
C. 国内基金和国际基金
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