Which correctly describes the tiers of the Oracle Workflow architecture?（） Oracle Database tier and Application server tier only。 Oracle Database tier, Application server tier, and End-user client tier only。 Oracle Database tier, Application server tier, and Development client tier only。 Oracle Database tier, Application server tier, Development client tier, and End-user client tier。
为什么锅炉点火前要启动引、送风机通风10～15分钟？
When you use WebLogic Management Pack EE, which three operations are enabled compared to managing WebLogic Server only through web console?（） management of many WebLogic Server Domains from a single web console。 tracking changes in the configuration of WebLogic Domain。 automation of provisioning process in the new environment。 checking compliance with the licenses that a customer has。 visual creation of JDBC DataSource object to Oracle RAC。
In a new installation of Oracle Database 11g， you perform these activities： 1：Organize software and data on different subdirectories to avoid poor performance. 2：Use consistent naming conventions for database files. 3：Separate administrative information pertaining to the database in different directories. Which option corresponds to the type of activities you performed（） Oracle Managed Files。 Oracle Grid Architecture。 Optimal Flexible Architecture。 Oracle database architecture。 Automatic Storage Management。
下面电泵系统的三种流程中，完全正确的是（） 电泵供电流程：油气分离器→多级离心泵→单流阀→池油阀→油管→井口→输油系统。 电泵抽油系统：地面电网→变压器→控制箱→接线盒→电缆→电机。 电力讯号传输系统：井下压力检测装置→电机绕组→电缆→地面电。
Which of the following files cannot be backed up by RMAN？（）
