Question 775 of 1,446
PCDE Practice Question: Manage a solution that can span multiple database technologies
A financial application uses Cloud Spanner and requires daily full backups stored in another region for compliance. The backups must be restorable without exporting/importing. Which backup method should they use?
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
✓
Use Spanner's scheduled backups and configure a cross-region backup policy.
Spanner supports scheduled backups that can be configured for cross-region storage, allowing direct restoration to a new database without export/import. This meets the requirement of daily backups in another region with import-free restore. Option A (export to Avro files in Cloud Storage) requires import to restore, so it's incorrect. Option B (Cloud Scheduler triggering a script that takes a snapshot in Cloud Storage) is not a built-in Spanner feature and would require export/import, making it unsuitable. Option D (on-demand backups copied manually) is possible but not ideal for daily backups as it lacks automation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Export the database to Avro files in Cloud Storage in another region, then import when needed.
Why it's wrong here
Import/export is not a direct restore.
- ✗
Use Cloud Scheduler to trigger a script that takes a snapshot of the database in Cloud Storage.
Why it's wrong here
Spanner does not support Cloud Storage snapshots for databases.
- ✓
Use Spanner's scheduled backups and configure a cross-region backup policy.
Why this is correct
Spanner backups can be created and stored in another region, restorable directly.
- ✗
Create on-demand backups and copy them to another region manually.
Why it's wrong here
Manual process, not scheduled.
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Last reviewed: Jul 4, 2026
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