The correct choice is to use AWS Backup with a 7-year retention policy because native RDS automated backups are limited to a maximum of 35 days, making them unsuitable for long-term compliance requirements. AWS Backup allows you to create backup plans that retain snapshots for up to 100 years, and it provides centralized management with lifecycle policies to transition older backups to colder storage or expire them automatically. On the AWS Certified Data Engineer Associate DEA-C01 exam, this question tests your understanding of the distinction between automated backups and manual snapshots versus a dedicated backup service; a common trap is assuming manual snapshots alone are the answer, but AWS Backup offers the compliance-grade automation and governance needed. Remember the 35-day wall: if you need retention beyond that, think AWS Backup. A useful memory tip is “35 is the limit, Backup is the infinite.”
DEA-C01 Data Store Management Practice Question
This DEA-C01 practice question tests your understanding of data store management. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 company stores financial data in Amazon RDS for MySQL. They need to retain backups for 7 years to meet compliance. Which backup strategy meets this requirement?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use the AWS Backup service with a 7-year retention policy
AWS Backup is the correct service for long-term retention of RDS snapshots beyond the 35-day limit of automated backups. It allows you to create backup plans with retention policies up to 100 years, making it suitable for the 7-year compliance requirement. Manual snapshots can also be retained indefinitely, but AWS Backup provides centralized management and lifecycle policies.
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 read replicas to retain data
Why it's wrong here
Read replicas are for scaling reads, not backup retention.
✗
Take daily manual snapshots and delete after 7 years
Why it's wrong here
Manual snapshots are retained indefinitely until deleted, but need automation.
✗
Enable automated backups with a retention period of 7 years
Why it's wrong here
Automated backups max at 35 days.
✓
Use the AWS Backup service with a 7-year retention policy
Why this is correct
AWS Backup can manage snapshots with long retention.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may assume automated backups can be configured for long retention periods, but AWS enforces a hard 35-day limit, making AWS Backup the only viable option for multi-year retention.
Detailed technical explanation
How to think about this question
AWS Backup integrates with RDS to create snapshot backups that are stored in Amazon S3, with lifecycle policies that can transition snapshots to colder storage tiers or expire them after a specified period. Under the hood, AWS Backup uses the same snapshot mechanism as manual snapshots but adds centralized backup plans, cross-region copy, and compliance controls. In a real-world scenario, a financial institution might use AWS Backup to enforce a 7-year retention policy across multiple RDS instances, ensuring audit trails and automated compliance.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
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.
Data Store Management — This question tests Data Store Management — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use the AWS Backup service with a 7-year retention policy — AWS Backup is the correct service for long-term retention of RDS snapshots beyond the 35-day limit of automated backups. It allows you to create backup plans with retention policies up to 100 years, making it suitable for the 7-year compliance requirement. Manual snapshots can also be retained indefinitely, but AWS Backup provides centralized management and lifecycle policies.
What should I do if I get this DEA-C01 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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