To perform management activities， each domain requires its own（）

多项选择题HowcananOracleWebLogiccluster’scapacitybeincreased？（）

A. by adding server instances to the cluster on an existing machine
B. by adding machines to host server for more clustered instances
C. by adding machines to the cluster to host the incremental server instances
D. by adding node managers to an existing machine

单项选择题WhichstatementisTRUEabouttheCacheFactoryclass？（）

A. it is a topology agnostic way to access NamedCaches
B. it provides mechanisms to manage underlying remote data sources
C. both A and B are TRUE
D.Neither A nor B are TRUE

单项选择题Whichfeature offeringofOracleApplicationGridmakesitparticularlyeasytosignificantlyincreasetheperformanceofWeb-basedapplicationswithnocodechange？（）

A. ActiveCache
B. Store-and-Forward
C. Messaging Bridge
D. MetaCache

单项选择题WhywouldyouuseWebLogicDiagnosticsFramework（WLDF）insteadofOracleEnterpriseManager（OEM）（）

A. WLDF has better performance than OEM 
B. my organization already has a solution for unified management and monitoring； we need to supplement that with some specific WLS-related capabilities
C. OEM is not certified with latest version of WLS
D. OEM is really focused on the database tier， is not meant to address JEE management and monitoring

多项选择题WhichtwostatementsaretrueaboutOracleRealApplicationsInsight？（）

A. it provides enhanced visibility across the entire application infrastructure 
B. it provides a set of management tools that enable automation of configuraion
C. it significantly increases the performance of Web-based applications with no code change
D. it dramatically reduces costs associated with diagnostics， configuration， and deployment on production servers