Identify three uses of the CROSSCHECK command (Choose three.)

Which statement is true about the Oracle central inventory directory (oraInventory)?

You want to import the schema objects of the HR user from the development database DEVDB to the production database PRODDB by using Oracle Data Pump. 

A database link devdb.us.oracle.com is created between PRODDB and DEVDB. You execute the following command on the PRODDB database server: What should you do to resolve the error?

Which three statements are true about server-generated alerts? (Choose three.)

Which two statements are true about Automatic Storage Management (ASM)? (Choose two.)

You want to create a test database as a replica of your production database with minimum intervention from a DBA. 

Which method would you use?

As part of a manual upgrade of your database to Oracle Database 12c, you plan to issue the command: 

SQL> STARTUP UPGRADE 

Which three statements are true about the upgrade process? (Choose three.)

Which statement is true about using the Export/Import method for migrating data when upgrading to Oracle Database 12c?