力修复一已知错误运行了软件升级发布之后，哪个过程负责确保CMDB已准确地更新了相关信息（） ["变换管理","问题管理","配置管理","发布管理"]
Which two statements regarding the Flashback Table feature are correct？（） [" Flashback Table can be performed on system tables."," Flashback Table operation does not shrink the segments."," Flashback Table uses log mining to extract SQL_REDO and SQL_UNDO statements."," Flashback Table operation acquires exclusive data manipulation language （DML） locks."]
三种最流行的WWW服务器软件，不包括（） ["Internet Information Server","SQL Server","Apache HTTP Server","Netscape Enterprise Server"]
In which scenario will you perform a user-managed incomplete recovery？（） [" when a table is dropped and stored in the Recycle Bin","when a table is dropped and purged from the Recycle Bin"," when you are required to recover an existing table to its previous state"," when you are required to view all the versions of a row of an existing table between a specific time period"]
封堵密封囊位置应避开（） ["螺旋焊缝","一切焊缝","环形焊缝","横向焊缝"]
经营预测模型有以下三类：（）、相关关系模型、结构关系模型。
