- A
Canary deployment
Why wrong: Not a built-in feature of OpsWorks.
- B
Rolling deployment with rollback on error
OpsWorks supports rolling updates and can roll back on failure.
- C
In-place deployment with a single batch
Why wrong: This would cause downtime.
- D
Blue/green deployment
Why wrong: OpsWorks does not natively support blue/green; requires manual setup.
Question 1,260 of 1,616
AWS OpsWorks Rolling Deployment — Rollback on Error
This DVA-C02 practice question tests your understanding of deployment. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 uses AWS OpsWorks for Chef Automate to manage their infrastructure. A developer needs to deploy a new application version to a stack of EC2 instances. The developer wants to minimize downtime and ensure that the deployment is rolled back automatically if any instance fails. Which deployment strategy should the developer use?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"minimum / minimize"Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
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
✓
Rolling deployment with rollback on error
AWS OpsWorks for Chef Automate supports rolling deployments with a rollback-on-error feature. This strategy updates instances in batches, and if any batch fails (e.g., Chef client run errors or application health checks), the deployment automatically rolls back the failed batch to the previous state, minimizing downtime by keeping remaining batches running.
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.
- ✗
Canary deployment
Why it's wrong here
Not a built-in feature of OpsWorks.
- ✓
Rolling deployment with rollback on error
Why this is correct
OpsWorks supports rolling updates and can roll back on failure.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
In-place deployment with a single batch
Why it's wrong here
This would cause downtime.
- ✗
Blue/green deployment
Why it's wrong here
OpsWorks does not natively support blue/green; requires manual setup.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse OpsWorks rolling deployments with CodeDeploy's blue/green or canary strategies, assuming OpsWorks supports those out-of-the-box, when in fact OpsWorks only provides rolling with rollback as its native deployment method.
Detailed technical explanation
How to think about this question
In OpsWorks for Chef Automate, a rolling deployment uses the Chef client to apply cookbooks to instances in batches, with a configurable batch size and pause time. The rollback mechanism works by reverting the Chef node's run list or cookbook version to the previous successful state if the new run fails, leveraging Chef's idempotent nature to restore the environment without manual intervention.
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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FAQ
Questions learners often ask
What does this DVA-C02 question test?
Deployment — This question tests Deployment — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Rolling deployment with rollback on error — AWS OpsWorks for Chef Automate supports rolling deployments with a rollback-on-error feature. This strategy updates instances in batches, and if any batch fails (e.g., Chef client run errors or application health checks), the deployment automatically rolls back the failed batch to the previous state, minimizing downtime by keeping remaining batches running.
What should I do if I get this DVA-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
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
This DVA-C02 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 DVA-C02 exam.
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