- A
AWS Lambda
Why wrong: Lambda runs serverless functions, not containers.
- B
AWS CloudFormation
Why wrong: CloudFormation provisions resources, but does not run containers.
- C
Amazon ECS
ECS orchestrates containers on EC2 instances.
- D
Amazon S3
Why wrong: S3 is object storage, not a container orchestrator.
Question 936 of 1,616
DVA-C02 Deployment Practice Question
This DVA-C02 practice question tests your understanding of deployment. 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 development team needs to deploy a containerized web application on AWS. The deployment must be automated, scalable, and minimize manual intervention. Which AWS service should the team use to orchestrate the deployment of containers across a cluster of Amazon EC2 instances?
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
✓
Amazon ECS
Amazon ECS (Elastic Container Service) is a fully managed container orchestration service that allows you to run and scale containerized applications on a cluster of Amazon EC2 instances. It integrates with AWS services like Auto Scaling and Elastic Load Balancing to automate deployment, scaling, and management, minimizing manual intervention.
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.
- ✗
AWS Lambda
Why it's wrong here
Lambda runs serverless functions, not containers.
- ✗
AWS CloudFormation
Why it's wrong here
CloudFormation provisions resources, but does not run containers.
- ✓
Amazon ECS
Why this is correct
ECS orchestrates containers on EC2 instances.
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.
- ✗
Amazon S3
Why it's wrong here
S3 is object storage, not a container orchestrator.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse AWS CloudFormation (which can define ECS resources) with the actual container orchestration service, or mistakenly think AWS Lambda can run containers in a cluster, when Lambda is designed for short-lived, event-driven functions, not long-running container orchestration.
Detailed technical explanation
How to think about this question
Under the hood, Amazon ECS uses a task definition (JSON) to describe the container(s), including Docker image, CPU/memory limits, port mappings, and networking mode (e.g., awsvpc for per-task ENI). The ECS scheduler places tasks on EC2 instances based on resource requirements and constraints, and integrates with Service Auto Scaling to adjust desired count based on CloudWatch metrics like CPU utilization or request count per target.
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.
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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: Amazon ECS — Amazon ECS (Elastic Container Service) is a fully managed container orchestration service that allows you to run and scale containerized applications on a cluster of Amazon EC2 instances. It integrates with AWS services like Auto Scaling and Elastic Load Balancing to automate deployment, scaling, and management, minimizing manual intervention.
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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