You are administering a multitenant container database (CDB) that has no startup triggers and contains three pluggable databases (PDBs).
You execute the command to start up the CDB:
SQL> STARTUP
Which statement is true?

View the SPFILE parameter settings in the Exhibit.

You issue this command and get errors:
SQL> startup
ORA-00824:cannot set SGA_TARGET or MEMORY_TARGET due to existing internal settings, see alert log for more information Why did the instance fail to start?

You are administering a database that supports data warehousing workload and is running in NOARCHIVELOG mode. You use RMAN to perform a level 0 backup on Sundays and level 1 Incremental backups on all the other days of the week.
One of the data files is corrupted and the current online redo log file is lost because of a media failure.
You want to recover the data file.
Examine the steps involved in the recovery process:
1. Shut down the database instance.
2. Start up the database instance in NOMOUNT state.
3. Mount the database.
4. Take the data file offline.
5. Put the data file online.
6. Restore the control file.
7. Restore the database.
8. Restore the data file.
9. Open the database with the RESETLOGS option.
10. Recover the database with the NOREDO option.
11. Recover the data file with the NOREDO option.
Identify the required steps in the correct order.

Which three statements are true about common roles? (Choose three.)

Examine this command:

Which two statements are true after successful execution? (Choose two.)