单项选择题
Which feature/offering of Oracle Application Grid makes it particularly easy to significantly increase the performance of Web-based applications with no code change ？ （）
A. ActiveCache B. Store-and-Forward C. Messaging Bridge D. MetaCache
单项选择题 WhywouldyouuseWebLogicDiagnosticsFramework（WLDF）insteadofOracleEnterpriseManager（OEM）（）
多项选择题 WhichtwostatementsaretrueaboutOracleRealApplicationsInsight？（）
多项选择题 ChoosetwocorrectroledefinitionsforGridControlincontextofWebLogicserver（）
