单项选择题 A WebLogic team is developing an enterprise application from their desktop WebLogic environment. All development systems are connected to the same eight data sources for testing. As a WebLogic Administrator supporting this team, which two actions should you perform to free the developers from creating and configuring all the data sources on their desktop WebLogic environment?（）

多项选择题 InWebLogic10.3.6and12c,transactionlogscanoptionallywritetoaJDBCstoreinsteadofafilestoreonthefilesystem.Identifythethreebenefitsasaresultofthiscapability.（）

多项选择题 You deployed a Java EE Shared Library and want to use it from an application that is also deployed on the same cluster.    Which two manifest attributes must be specified at a minimum with corresponding values in the deployment descriptor of the application that requires?（）