The operating medium for control systems may be （）.
A. compressed air
B. hydraulic oil
C. electricity
D. All of the above
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每个变电站自评价工作时间根据变电站规模不少于（）。
A. 1周
B. 1至2周
C. 2周
D. 2至3周
以（）方式担保的个人贷款，贷款人应由不少于2名信贷人员完成。
A. 担保
B. 抵押担保
C. 质押担保
D. 保证
不同规格但厂家相同的电池可在同一直流供电系统中使用。
A. 正确
B. 错误
Which two statements are true about variable extent size support for large ASM files?（）
A. The metadata used to track extents in SGA is reduced.
B. Rebalance operations are completed faster than with a fixed extent size
C. An ASM Instance automatically allocates an appropriate extent size.
D. Resync operations are completed faster when a disk comes online after being taken offline.
E. Performance improves in a stretch cluster configuration by reading from a local copy of an extent.
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