1z0050 Oracle Database 11g: New Features for Administrators Free Practice Test — 30 Questions

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A financial services firm is planning a critical upgrade of its core Oracle database from version 10g to 11g during a weekend maintenance window. The upgrade process itself is complex, and the business operations are highly sensitive to any extended downtime. Management has stressed the importance of minimizing any disruption to read-only reporting services that are crucial for end-of-day analysis, even if the upgrade encounters unforeseen complications. Furthermore, the team must be prepared to revert to the previous stable state within a two-hour window if any critical functionality fails post-upgrade. Which combination of Oracle Database 11g features would best equip the administration team to meet these stringent requirements for testing, operational continuity, and rapid rollback?

Utilize Database Replay to thoroughly test the upgrade process against production workloads and employ Active Data Guard with Flashback Database for a swift rollback capability.
Rely on RMAN incremental backups for restore points and maintain a physical standby database for read-only access during the upgrade.
Develop custom manual rollback scripts and ensure comprehensive pre-upgrade documentation for manual intervention.
Plan for a complete data migration to a new cluster using logical backups and then perform the upgrade on the new environment.

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