- A
AWS::EC2::VPC
Why wrong: VPC is required but often created outside the template or as a separate resource; not always in the same template.
- B
AWS::ECS::TaskDefinition
Task definition defines the container.
- C
AWS::ECS::Service
Service manages task placement.
- D
AWS::ECS::Cluster
Cluster is required to run tasks.
- E
AWS::ElasticLoadBalancingV2::LoadBalancer
Why wrong: Load balancer is optional.
Question 555 of 1,546
SOA-C02 Deployment, Provisioning, and Automation Practice Question
This SOA-C02 practice question tests your understanding of deployment, provisioning, and automation. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 SysOps administrator is automating the creation of an Amazon ECS cluster with Fargate launch type using AWS CloudFormation. The template must define the task definition, service, and cluster. Which THREE resources are required to be in the template? (Choose THREE.)
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
✓
AWS::ECS::TaskDefinition
For an Amazon ECS cluster using the Fargate launch type, the AWS CloudFormation template must define the cluster itself (AWS::ECS::Cluster), the task definition (AWS::ECS::TaskDefinition) that specifies the container image, CPU, memory, and networking configuration, and the service (AWS::ECS::Service) that maintains the desired count of tasks and optionally integrates with a load balancer. These three resources are the minimum required to create and run a Fargate-based ECS workload.
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::EC2::VPC
Why it's wrong here
VPC is required but often created outside the template or as a separate resource; not always in the same template.
- ✓
AWS::ECS::TaskDefinition
Why this is correct
Task definition defines the container.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
AWS::ECS::Service
Why this is correct
Service manages task placement.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
AWS::ECS::Cluster
Why this is correct
Cluster is required to run tasks.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS::ElasticLoadBalancingV2::LoadBalancer
Why it's wrong here
Load balancer is optional.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume a VPC or load balancer is mandatory for ECS Fargate, but the exam tests that only the cluster, task definition, and service are strictly required, while networking resources can be supplied externally.
Detailed technical explanation
How to think about this question
Under the hood, the AWS::ECS::TaskDefinition for Fargate must include the 'requiresCompatibilities' property set to 'FARGATE' and specify 'networkMode' as 'awsvpc', which assigns each task an elastic network interface (ENI) with a private IP from the VPC subnet. The AWS::ECS::Service then uses the task definition and references a security group and subnets (often via the 'NetworkConfiguration' property) to launch tasks, but the VPC and subnets themselves can be pre-existing and passed as parameters rather than created in the same stack.
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 healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this SOA-C02 question test?
Deployment, Provisioning, and Automation — This question tests Deployment, Provisioning, and Automation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: AWS::ECS::TaskDefinition — For an Amazon ECS cluster using the Fargate launch type, the AWS CloudFormation template must define the cluster itself (AWS::ECS::Cluster), the task definition (AWS::ECS::TaskDefinition) that specifies the container image, CPU, memory, and networking configuration, and the service (AWS::ECS::Service) that maintains the desired count of tasks and optionally integrates with a load balancer. These three resources are the minimum required to create and run a Fargate-based ECS workload.
What should I do if I get this SOA-C02 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.
About these practice questions
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Last reviewed: Jul 4, 2026
This SOA-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 SOA-C02 exam.
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