300.The following databases are registered in the base recovery catalog: PROD1, PROD2, and PROD3. The database user CATOWNER owns the base recovery catalog. You want a new user VPC1 to have access to only the PROD1 database and create a virtual private catalog. Given below are some of the commands required to achieve this: 1.SQL> GRANT recovery_catalog_owner TO vpc1; 2.RMAN> CONNECT CATALOG vpc1/password@catdb; 3.RMAN> GRANT CATALOG FOR DATABASE prod1 TO vpc1; 4.RMAN> CONNECT CATALOG catowner/password@catdb; 5.RMAN> CREATE VIRTUAL CATALOG; What is the correct sequence in which the commands have to be executed?
A.1, 4, 5, 2, 3
B.1, 4, 3, 2, 5
C.4, 5, 2, 3, 1
D.2, 3, 4, 5, 1
E.1, 4, 2, 3, 5
正确答案是B