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A customer needs to analyze an application that was developed for Oracle Application Server 10gR2 or 10gR3 (OC4J) in order to prepare to upgrade the infrastructure to WebLogic 12c. The customer wants understand the changes required to be made to the application and how to configure WebLogic in to support the newly upgraded application.   
Which three actions would you recommend for upgrading the customer's application and server configuration?（）

You are connected to a pluggable database (PDB) as a common user with DBA privileges. The STATISTICS_LEVEL parameter is PDB_MODIFIABLE. You execute the following: SQL > ALTER SYSTEM SET STATISTICS_LEVEL = ALL SID = ‘*’ SCOPE = SPFILE; Which is true about the result of this command?（） The STATISTICS_LEVEL parameter is set to all whenever this PDB is re-opened.。 The STATISTICS_LEVEL parameter is set to ALL whenever any PDB is reopened.。 The STATISTICS_LEVEL parameter is set to all whenever the multitenant container database (CDB) is restarted.。 Nothing happens; because there is no SPFILE for each PDB, the statement is ignored.。 造成发电机失步的非振荡的主要原因有哪些？ You have an Automatic Storage Management （ASM） instance managing the database files of your production database. The database contains ASM files and non-ASM files. Using Recovery Manager （RMAN）， you migrate the complete production database to use the ASM instance. Which statement is true？ （）  RMAN would relocate all the data files to an ASM disk group and other files to an operating system location， defined using Oracle Managed Files （OMF）.。  RMAN would relocate the ASM files to an ASM disk group and the non-ASM files to an operating system location， defined using OMF。  RMAN would relocate all the database files to an ASM disk group.。  RMAN would change the file definitions in the control file to use the ASM but would not relocate the database files physically.。 工程一切险是为（）所投的保险。 永久工程。 临时工程。 设备。 已运至施工工地用于永久工程的材料和设备。 Given： Which change can you make to Target without affecting Client？（） Line 4 of class Target can be changed to return i++；。 Line 2 of class Target can be changed to private int i = 1；。 Line 3 of class Target can be changed to private int addOne（）{。 Line 2 of class Target can be changed to private Integer i = 0；。

A customer needs to analyze an application that was developed for Oracle Application Server 10gR2 or 10gR3 (OC4J) in order to prepare to upgrade the infrastructure to WebLogic 12c. The customer wants understand the changes required to be made to the application and how to configure WebLogic in to support the newly upgraded application.   
Which three actions would you recommend for upgrading the customer's application and server configuration?（）