（）is a collection of components managed by Fusion Middleware Control. It can contain Oracle WebLogic Server domains， one Administration Server， one or more Managed Servers， clusters， and the Oracle Fusion Middleware components that are installed， configured， and running in the domain [" farm"," bean"," unit"," node"]
Exhibit One the evening of April 22， you are working on a database created using Oracle Database 10g. This database operates in the ARCHIVELOG mode. You discover that you need crucial data that was dropped from the database at 8：00 a.m. No full backup has been taken after April 15. What would you do？（） ["recover the database until April 10","recover the database until April 15","recover the database until 22 7：59 a.m.","recovery is not possible； manually re-create the object"]
ISO/IEC20000实施的特点包括（） ["需要确定服务管理体系的范围","选择要实施的服务管理过程","可与组织现有的管理组织集成","可采用项目运作的方式"]
In your multitenant container database (CDB) containing pluggable database (PDBs), you granted theCREATE TABLE privilege to the common user C # # A_ADMIN in root and all PDBs. You execute thefollowing command from the root container:SQL > REVOKE create table FROM C # # A_ADMIN;What is the result?（） [" It executes successfully and the CREATE TABLE privilege is revoked from C # # A_ADMIN in root only."," It fails and reports an error because the CONTAINER=ALL clause is not used."," It excludes successfully and the CREATE TABLE privilege is revoked from C # # A_ADMIN in root and all PDBs."," It fails and reports an error because the CONTAINER=CURRENT clause is not used.","It executes successfully and the CREATE TABLE privilege is revoked from C # # A_ADMIN in all PDBs."]
学前儿童末期，由于儿童认知范围的扩大、思维能力以及社会化程度的提高，游戏发展到了一个新水平即（） ["感觉运动性水平","象征性水平","规则性水平","社会性水平"]
简述齿轮泵的工作原理。
