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Which THREE steps are prerequisites for the creation of a physical standby database on a separate server using the RMAN active database duplication method?
Correct Answer: A,B,C
Creating a physical standby database using RMAN active database duplication requires certain prerequisites to ensure a successful and seamless operation: * Configure Oracle Net connectivity on the primary host to the standby database instance (A): * Proper Oracle Net connectivity between the primary and standby servers is essential for communication and data transfer during the duplication process. Oracle Net services provide the network foundation for Oracle Database, Oracle Net Listener, and Oracle applications. * Establish user equivalence for the database software owner between the primary host and standby host (B): User equivalence ensures that the user who owns the Oracle Database software on the primary server has the same privileges on the standby server. This is crucial for RMAN to perform operations on both servers without encountering permission issues. * Startup nomount the standby database instance (C): The standby database instance needs to be started in the NOMOUNT stage before the duplication can begin. This prepares the environment for creating the control file and restoring the database without mounting it, which is a necessary step in the RMAN duplication process.References: * Oracle Database Backup and Recovery User's Guide * Oracle Data Guard Concepts and Administration
