- A
Take a snapshot of the DB instance and restore it to a new instance.
Snapshots are taken asynchronously with minimal performance impact, and restore creates a new instance.
- B
Create a read replica and promote it to a standalone instance.
Why wrong: Creating a read replica puts additional load on the source during creation.
- C
Use mysqldump to export the database and import into a new instance.
Why wrong: mysqldump can cause lock contention and performance impact on production.
- D
Create a manual DB snapshot from the automated backup and restore.
Why wrong: Manual snapshot is similar to automated; but this approach still requires a snapshot.
Question 1,244 of 1,730
DBS-C01 Management and Operations Practice Question
This DBS-C01 practice question tests your understanding of management and operations. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 has an Amazon RDS for MySQL DB instance with automated backups enabled. The database is 500 GB in size. The company wants to create a new test database from the current state with minimal impact on production. Which approach meets these requirements?
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
✓
Take a snapshot of the DB instance and restore it to a new instance.
Option A is correct because taking a snapshot of the RDS DB instance and restoring it to a new instance creates an independent copy of the database with minimal performance impact on the source. Snapshots are asynchronous and capture a consistent state without blocking writes, making this the most efficient method for creating a test database from the current production state.
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.
- ✓
Take a snapshot of the DB instance and restore it to a new instance.
Why this is correct
Snapshots are taken asynchronously with minimal performance impact, and restore creates a new instance.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Create a read replica and promote it to a standalone instance.
Why it's wrong here
Creating a read replica puts additional load on the source during creation.
- ✗
Use mysqldump to export the database and import into a new instance.
Why it's wrong here
mysqldump can cause lock contention and performance impact on production.
- ✗
Create a manual DB snapshot from the automated backup and restore.
Why it's wrong here
Manual snapshot is similar to automated; but this approach still requires a snapshot.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse the ability to create a manual snapshot from an automated backup (which is not supported) with the valid option of taking a new manual snapshot directly from the DB instance, leading them to choose option D incorrectly.
Trap categories for this question
Similar concept trap
Manual snapshot is similar to automated; but this approach still requires a snapshot.
Detailed technical explanation
How to think about this question
RDS snapshots are stored in Amazon S3 and are incremental, meaning only changed blocks are saved after the initial snapshot, reducing storage costs and creation time. When restoring a snapshot, RDS provisions a new DB instance using the snapshot data, which is a fully independent copy that does not affect the source instance. This approach is ideal for creating test or development environments because it avoids the overhead of logical exports or replication lag.
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.
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Management and Operations — study guide chapter
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FAQ
Questions learners often ask
What does this DBS-C01 question test?
Management and Operations — This question tests Management and Operations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Take a snapshot of the DB instance and restore it to a new instance. — Option A is correct because taking a snapshot of the RDS DB instance and restoring it to a new instance creates an independent copy of the database with minimal performance impact on the source. Snapshots are asynchronous and capture a consistent state without blocking writes, making this the most efficient method for creating a test database from the current production state.
What should I do if I get this DBS-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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Last reviewed: Jul 4, 2026
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