You are in the process of creating a virtual private catalog in your Oracle Database 11g database. The PROD1, PROD2, and PROD3 Oracle Database 10g databases are registered in the base recovery catalog. The database user who owns the base recovery catalog is CATOWNER. CATOWNER executes the following command to grant privileges to a new user VPC1 using Oracle Database 11g RMAN executables: What is the outcome of the above commands?（） [" They execute and create a virtual catalog for pre-Oracle 11g clients."," They produce an error because PROD1 and PROD2 databases belong to the older version."," They produce an error because you need to connect as CATOWNER to execute this packaged procedure."," They produce an error because you need to connect to the target database to execute this packaged procedure."]
某水电站工程，经批准的施工进度计划网络图如下图所示
施工中发生了以下事件：
事件1：A工作因设计变更停工10d；
事件2：B工作因施工质量问题返工，延长工期7d；
事件3：E工作因建设单位供料延期，推迟3d施工；
事件4：在设备管道安装气焊作业时，火星溅落到正在施工的地下室设备用房聚氨酯防水涂膜层上，引起火灾。
在施工进展到第120天后，施工项目部对第110天前的部分工作进行了统计检查。
统计数据见下表：
计算第110天的进度偏差SV值，并做SV值结论分析。
During an attempt to mount filesystems on the datavg volume grou, the following error message occurs: "0506-323 Cannot get information about log device loglv00." The error is due to the fjslog used by these filesystems is located on a bad disk.Which of the following procedures should be performed to fix the error?（） ["Run fsck on all filesystems using loglv00","Run the logform command against loglv00","Recreate the filesystems and restore from a backup","Create a new jfslog and change \/etc\/filesystems to point to this log"]
全球第一个官方正式发表的关于电子商务立法的文件是（） ["电子商务示范法","全球电子商务纲要","电子交易法","电子商务基本法"]
Which of the following commands should be used to reset the Virtual Memory Manager tuning parameters to their default values？（） [" schedtune -t"," vmtune -R"," schedtune -r"," schedtune -D"]
请简要说明已经进入维护阶段的发电机绝缘测试的内容、步骤.
