The answer is to enable automatic backups in Cloud SQL settings. This is the simplest solution because Cloud SQL’s built-in backup feature natively supports configuring a 7-day retention period directly in the instance settings, eliminating the need for custom scripts or external schedulers while also enabling point-in-time recovery for fast restoration without manual export/import overhead. On the Google Professional Cloud Database Engineer exam, this scenario tests your understanding of managed service capabilities versus custom automation—a common trap is overcomplicating the answer with Cloud Scheduler or Cloud Functions when the native feature suffices. Remember the key principle: for Cloud SQL, always prefer the built-in backup toggle over custom workflows unless you need cross-region or export-based retention. Memory tip: “Native backup, no stack attack”—if the requirement fits within Cloud SQL’s default retention window (up to 365 days), the built-in option is the direct path.
PCDE Plan and manage database infrastructure Practice Question
This PCDE practice question tests your understanding of plan and manage database infrastructure. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A small business runs a Cloud SQL instance with 10 GB data. They want to automate daily backups with 7-day retention. They also need to restore quickly if needed. What is the simplest solution?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable automatic backups in Cloud SQL settings.
Option C is correct because Cloud SQL provides a built-in automatic backup feature that can be configured with a 7-day retention period directly in the instance settings. This eliminates the need for custom scripts or external schedulers, and enables point-in-time recovery for fast restoration without manual export/import overhead.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Use Cloud Scheduler to trigger exports.
Why it's wrong here
Cloud Scheduler with export is more complex than built-in backups.
✗
Export to Cloud Storage daily using a cron job.
Why it's wrong here
Cron job requires setup and is not as simple as built-in.
✓
Enable automatic backups in Cloud SQL settings.
Why this is correct
Automatic backups are simple and support retention settings.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use gcloud to create a backup schedule with retention.
Why it's wrong here
gcloud does not have a built-in schedule; need to use cron or Cloud Scheduler.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often overcomplicate the solution by choosing manual export/import methods (A, B, D) when Cloud SQL's built-in automatic backup feature provides a simpler, fully managed solution with integrated retention and fast restore capabilities.
Detailed technical explanation
How to think about this question
Cloud SQL automatic backups use the database engine's native backup mechanism (e.g., mysqldump for MySQL, pg_dump for PostgreSQL) and store them in a managed location, enabling point-in-time recovery (PITR) with binary log or WAL archiving. The retention period is configurable up to 365 days, and restore operations are performed directly from the Cloud Console or gcloud, avoiding the need to re-import from Cloud Storage, which can be slower and risk data inconsistency.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Plan and manage database infrastructure — This question tests Plan and manage database infrastructure — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable automatic backups in Cloud SQL settings. — Option C is correct because Cloud SQL provides a built-in automatic backup feature that can be configured with a 7-day retention period directly in the instance settings. This eliminates the need for custom scripts or external schedulers, and enables point-in-time recovery for fast restoration without manual export/import overhead.
What should I do if I get this PCDE question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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