变压器相间之间的绝缘，高压套管对外壳的绝缘是（） 外绝缘。 主绝缘。 纵绝缘。
Consider the Mysql Enterprise Audit plugin. Which statement is true when you identify a connection event that has used external authentication?（） The attribute "STATUS" is set to the string EXTERNAL_AUTH。 The attribute "PRIV_USER" contains the username。 The event type that is given in the attribute "NAME" is EXTERNAL_AUTH。 There is no differentiation between native and external authentication events。 External authentication is managed through external auditing logs。 The "PROXY_PRIV" user shows a username if external authentication is used。
组成计税价格的公式为：（）。 成本+利润。 成本+费用。 成本+税金。 费用+税金。
A snapshot of the /export/project file system has been taken. Prior to backing up the file system， you need to check to see if certain files are on the snapshot. The snapshot needs to be mounted to check for these files. Which command will mount the snapshot？ （） mount -F ufs -o ro /dev/fssnap/0 /check。 mount -F ufs -o rw /dev/fssnap/0 /check。 mount -F ufs -o ro /export/project /check。 mount -F ufs -o rw /export/project /check。
首先提出立法权、司法权和行政权三权分立的启蒙思想家是（）。 孟德斯鸠。 伏尔泰。 卢梭。 霍布斯。
RMAN provides more granular catalog security through which feature？（）
