Question 68 of 1,446
Manage a solution that can span multiple database technologies →mediumMultiple SelectObjective-mapped
PCDE Practice Question: Manage a solution that can span multiple database technologies
A company is running a Cloud SQL for MySQL instance and needs to create a read replica in a different region for disaster recovery. They also want to be able to promote the replica to a standalone instance if needed. Which three steps should they take? (Choose THREE.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable binary logging on the primary instance
Cross-region replicas are created using the gcloud command with the --region flag and the --master-instance-name pointing to the primary. After creation, replication must be verified. If needed, the replica can be promoted using gcloud sql instances promote-replica.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Enable binary logging on the primary instance
Why this is correct
Binary logging must be enabled for replication.
- ✗
Set the replica's database flags to enable read-only mode
Why it's wrong here
Read replicas are inherently read-only; no extra flag needed.
- ✓
Use gcloud sql instances create <replica-name> --master-instance-name <primary> --region <target-region>
Why this is correct
This creates a cross-region read replica.
- ✓
Run gcloud sql instances promote-replica <replica-name> to promote it
Why this is correct
Promotion makes the replica a standalone instance.
- ✗
Create the replica in the same region as the primary
Why it's wrong here
Cross-region requires different region.
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Last reviewed: Jul 4, 2026
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