Question 342 of 1,730
Deployment and MigrationmediumMultiple ChoiceObjective-mapped

DBS-C01 Deployment and Migration Practice Question

This DBS-C01 practice question tests your understanding of deployment and migration. 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 is deploying a new Amazon Aurora MySQL database. The development team requires a separate database instance for testing that is a clone of the production database but does not require the same level of performance. What is the MOST cost-effective way to create this test database?

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 the Aurora cloning feature to create a clone of the production cluster

The Aurora cloning feature creates a copy of the production cluster that is both fast and storage-efficient, using copy-on-write technology. This clone can be created with a different (smaller) DB instance class than the source, meeting the requirement for lower performance at minimal cost, as no additional storage is provisioned until data is modified.

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 the Aurora cloning feature to create a clone of the production cluster

    Why this is correct

    Aurora cloning is fast and space-efficient, ideal for test environments.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Create a new Aurora cluster from the latest snapshot of the production cluster

    Why it's wrong here

    This incurs full storage costs and is less cost-effective than cloning.

  • Create a read replica of the production cluster and promote it to a standalone cluster

    Why it's wrong here

    This is not the intended use of read replicas and may cause performance impact.

  • Create a new Aurora cluster and use a smaller DB instance class

    Why it's wrong here

    Storage costs remain the same; cloning is more cost-effective.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often assume creating a new cluster from a snapshot (Option B) is the standard way to create a test database, overlooking the fact that Aurora cloning provides a faster and more cost-effective alternative by sharing storage pages until writes occur.

Detailed technical explanation

How to think about this question

Aurora cloning uses a copy-on-write mechanism at the storage layer, meaning the clone shares the same underlying storage pages as the source until a write occurs on either cluster. This allows creating a clone in minutes with no additional storage cost initially, and the clone can be scaled down to a smaller instance class independently. In real-world scenarios, this is ideal for dev/test environments where you need a near-instant copy without duplicating storage costs, and you can safely modify the clone without affecting production.

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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.

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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FAQ

Questions learners often ask

What does this DBS-C01 question test?

Deployment and Migration — This question tests Deployment and Migration — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Use the Aurora cloning feature to create a clone of the production cluster — The Aurora cloning feature creates a copy of the production cluster that is both fast and storage-efficient, using copy-on-write technology. This clone can be created with a different (smaller) DB instance class than the source, meeting the requirement for lower performance at minimal cost, as no additional storage is provisioned until data is modified.

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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This DBS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DBS-C01 exam.