20+ practice questions focused on High Availability And Disaster Recovery — one of the most tested topics on the Oracle Cloud Infrastructure 2026 Architect Professional (1Z0-997-26) (1Z0-997-26) exam. Each question includes a detailed explanation so you learn why the right answer is correct.
Start High Availability And Disaster Recovery PracticeWhich THREE features are provided by Oracle Data Guard in OCI when configuring high availability and disaster recovery for database systems? (Choose three.)
Explanation: Data Guard provides role transitions (switchover/failover), Active Data Guard read-only offloading, and redo transport lag management.
You are deploying OCI Full Stack Disaster Recovery (FSDR) to orchestrate a cross-region DR plan for a multi-tier application stack. Which component acts as the primary grouping mechanism for all application assets (databases, compute, load balancers) within a compartment?
Explanation: In OCI Full Stack Disaster Recovery, a Protection Group is created in each region to group the resources that need to be protected and recovered together.
An enterprise application uses an Oracle Exadata Database Service on Dedicated Infrastructure with Maximum Availability Architecture (MAA). A catastrophic regional disaster occurs, and you must initiate a failover to the standby region. What is the expected behavior of Active Data Guard during this process?
Explanation: During a failover, the standby database is transitioned to become the primary role, opening for read/write traffic while breaking the replication relationship with the former primary.
You are managing an Oracle Base Database Service instance and need to configure Data Guard to provide disaster recovery in another OCI region. Which prerequisite must be met before creating the Data Guard association?
Explanation: Cross-region Data Guard requires remote VCN peering via a Dynamic Routing Gateway (DRG) or local peering if regional, and proper security list/NSG rules allowing traffic on ports such as 1521.
Your company requires automated daily backups of block volumes attached to critical production compute instances in OCI. Which OCI service feature should you configure?
Explanation: Volume Groups and Volume Group Backups or Backup Policies allow you to automate backups across multiple block volumes with defined retention schedules.
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4. Reach 80% consistently
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