In your production database, users report that they are unable to generate reports on an important table because it does not contain any data. While investigating the reason, you realize that another user executed the TRUNCATE TABLE command, which accidentally caused the data to be lost. Now you want to recover the lost data of the table without affecting objects in other schemas.Which method must you use to recover the lost data?（）

After you have restored and recovered a database to a new host by using a previously performed Recovery Manager (RMAN) backup, which is the best option you would consider for the new database?（）

You are creating a database by using Database Configuration Assistant (DBCA). You have chosen the File System option as the storage mechanism. What would be the result of choosing this option?（）

Which three tasks can be performed using a duplicate database?（）

While Monitoring the space usage in your database that is in ARCHIVELOG mode you observed that the flash recovery area does not have enough free space to accommodate any more files and you do not have necessary permissions to add more space to it.Identify the two events that can occur in the event of a log switch?（）

The user SYS creates a job by using the following command:Which two statements are true about the job that was created by the preceding command?（）

Examine the CREATE DISKGROUP command used to create a disk group:In which situation would you use this method of disk group creation?（）

Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.（）

Which three statements are true about persistent configuration?（）

To enable faster incremental backups, you enabled block change tracking for the database.Which two statements are true about the block change tracking file?（）