题目内容

控制台上主电源表示灯使用直流（）V电源。

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You are about to plug a multi-terabyte non-CDB into an existing multitenant container database (CDB) as a pluggable database (PDB). The characteristics of the non-CDB are as follows: -Version: Oracle Database 12c Releases 1 64-bit -Character set: WE8ISO8859P15 -National character set: AL16UTF16 -O/S: Oracle Linux 6 64-bit The characteristics of the CDB are as follows: -Version: Oracle Database 12c Release 1 64-bit -Character set: AL32UTF8 -O/S: Oracle Linux 6 64-bit Which technique should you use to minimize down time while plugging this non-CDB into the CDB?（）

A. Transportable database
B. Transportable tablespace
C. Data Pump full export / import
D. The DBMS_PDB package
E. RMAN

扬仁风位于颐和园内何处？其建筑结构有什么特点？

现场检验仪和试验端子之间的连接导线应有良好的绝缘，中间不允许有接头，应有明显的极性和相别标志。

A. 正确
B. 错误

现场检验时不允许打开机电式（感应系）电能表罩壳和现场调整电能表误差。当现场检验电能表误差超过电能表准确度等级值时应在三个工作日内更换。

A. 正确
B. 错误