1Z0-997-25 Question 30
Select 2You are designing a mission-critical order processing application on Oracle Cloud Infrastructure (OCI) using Autonomous Database in a single region. The business requires near-continuous availability with a recovery time objective (RTO) under 15 minutes and a recovery point objective (RPO) close to zero, even if the primary region experiences a total outage. Which two approaches help meet these requirements for high availability (HA) and disaster recovery (DR)?
- A
A. Configure cross-region Data Guard for the Autonomous Database, maintaining a physical standby in a different OCI region
- B
B. Duplicate the Autonomous Database within the same region across multiple availability domains for disaster recovery
- C
C. Use Oracle GoldenGate to replicate transactions in near real-time from the primary Autonomous Database to a second region
- D
D. Perform weekly backups to Object Storage in the same region and rely on local restoration for rapid recovery
Show answer and explanation
Correct answers: A, C
Explanation
To build a robust high availability and disaster recovery architecture on OCI, you need redundancy across regions using features specifically designed for near-real-time replication and standby databases. Cross-region Data Guard and Oracle GoldenGate are recommended solutions capable of meeting stringent RTO/RPO requirements. Refer to Oracle� documentation on 'Using Autonomous Data Guard' and 'Oracle GoldenGate on OCI' for best practices and implementation details.
- A. Correct.
A. Correct. Cross-region Data Guard for Autonomous Database provides automated near real-time replication to a standby in a different region. In the event of a regional outage, the standby can be quickly promoted, ensuring an RTO under 15 minutes and an RPO close to zero.
- B. Incorrect.
B. Incorrect. While deploying across multiple availability domains in the same region improves local high availability, it does not protect against a complete regional outage. This option alone would not meet the requirement if the entire region becomes unavailable.
- C. Correct.
C. Correct. Oracle GoldenGate can be used to replicate Autonomous Database transactions in near real-time to another region, helping achieve strict RTO and RPO requirements. This option provides flexibility in versioning and replication strategies for complex environments.
- D. Incorrect.
D. Incorrect. Backing up to Object Storage in the same region once a week is insufficient to meet a 15-minute RTO or near-zero RPO. A catastrophic regional failure would require lengthy restore processes from weekly backups, making the RTO and RPO objectives unachievable.