フリー問題

問題文

Backups are written on a standby and the site keeps only the control file of each database as the backup repository. A restore on the primary host finds nothing to read. Which arrangement removes that limitation?

選択肢

1. A repository held in the recovery area records the backups of every member so a restore on any host looks the metadata up in one shared place
2. A repository held in the primary control file records the backups of every member so a restore on any host looks the metadata up in one shared place
3. A repository held in the broker metadata records the backups of each member so a restore on any host looks the metadata up in one shared place
4. A repository held in a separate database records the backups of every member so a restore on any host looks the metadata up in one shared place