Which two statements are true about standard database auditing（） DDL statements can be audited.。 Statements that refer to stand-alone procedure can be audited.。 Operations by the users logged on as SYSDBA cannot be audited.。 Only one audit record is ever created for a session per audited statement even though it is executedmore than once.。
液化石油气站的贮罐区、生产区照明电路启动开关及电气设备应采用（）。 普通型；。 随意；。 安全型；。 防爆型。
Exhibit. Which two options are used to enable the connect-time failover feature？（） Use only the first address.。 Try one address， selected at random.。 Try each address， in order， until one succeeds.。 Try each address， randomly， until one succeeds.。 Use each address in order until destination reached.。
Which two of the following are the imposed restrictions to production redeployment in WebLogic Server ？（） Can’t cahnge application’s deployment targets。 Can’t cahnge application’s security model。 Can’t cahnge application’s node manager。 Can’t cahnge application’s persistent store setting。
Which scenario describes an appropriate use for opening a form in a new session?（） The data entered into the called form is logically independent of the data entered in the calling form. 。 The called form requires different privileges than the calling form. 。 The called form must execute as a different user than the calling form. 。 The calling form must be able to query data in the called form before it is saved.。
油在污水中分散的颗粒很小，这部分油不易从污水中浮上来，因而较难除去。这种状态的油被称为（）
