Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A company is developing a microservices application using Docker containers. The development team wants to deploy and run these containers on AWS without having to provision or manage any underlying EC2 instances. Additionally, the team does not want to manage the container orchestration control plane. They need a fully serverless compute engine for containers that automatically scales based on demand. Which AWS compute option should the team use?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
Amazon EC2 instances with Docker installed
This option requires you to manually provision, patch, and manage the EC2 instances, as well as configure Docker and handle scaling. It does not provide a serverless experience and involves significant operational overhead, which contradicts the requirement of not managing underlying instances.
B
Distractor review
AWS Lambda
AWS Lambda is a serverless compute service for running code in response to events, but it is designed for functions, not for running Docker containers directly. While Lambda can package code as containers, it does not support long-running microservices or full container orchestration features like networking and service discovery. It is not the right choice for deploying general containerized microservices.
C
Best answer
Amazon ECS with the AWS Fargate launch type
AWS Fargate is a serverless compute engine for containers that works with Amazon ECS and Amazon EKS. With Fargate, you do not need to provision or manage EC2 instances; you specify the CPU and memory requirements, and Fargate automatically runs and scales the containers. This fully meets the requirement of a serverless container compute service with no cluster management.
D
Distractor review
Amazon EKS with managed node groups
Amazon EKS with managed node groups reduces the operational burden of managing EC2 instances because AWS handles patching and scaling of the worker nodes. However, you are still responsible for the EC2 instances themselves (they appear in your account), and you are billed for the underlying instances. It is not fully serverless and still involves managing the node group infrastructure.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A developer needs to launch a test server for a new application prototype. The developer logs into the AWS Management Console, selects an Amazon EC2 instance type, configures the security group, and starts the instance. The instance is running within two minutes, and the developer did not need to submit a formal request to the company's IT procurement team or wait for approval from a cloud administrator. Which essential characteristic of cloud computing does this scenario best demonstrate?
Question 2
A solutions architect is planning a new web application on AWS. The workload will include 3 Amazon EC2 instances (t3.medium) running 24/7, an Application Load Balancer, and an Amazon RDS for MySQL db.t3.small database. The architect needs to estimate the monthly cost for the first year, considering different purchasing options (On-Demand, 1-year All Upfront Reserved Instance, and Compute Savings Plan). Which AWS tool should the architect use to create this estimate?
Question 3
A company's development team frequently needs temporary test environments. A developer can log into the AWS Management Console, select an Amazon EC2 instance type, configure storage, and launch the instance within minutes without any interaction with the IT infrastructure team. This capability is an example of which essential characteristic of cloud computing?
Question 4
A company's finance team needs to analyze AWS spending in detail. They require a report that includes hourly cost data for each AWS service, each individual resource (e.g., a specific EC2 instance), and any cost allocation tags applied. The team plans to export this data to an Amazon S3 bucket and then import it into a custom business intelligence (BI) analytics dashboard. Which AWS tool should the finance team use to generate this level of detailed cost data?
Question 5
A company uses AWS for its development environment. The finance team wants to set a monthly budget of $10,000. They want to receive an email notification when the actual costs reach 80% of the budget ($8,000) and again when costs exceed the budget. The team needs a managed AWS service that can automatically send these alerts without requiring custom code or third-party tools. Which AWS service should the team use?
Question 6
A company uses AWS Organizations to manage multiple accounts. The security team needs to enforce a policy that restricts SSH access (port 22) from the internet (0.0.0.0/0) in all VPCs across all accounts. The team wants to centrally define the allowed rules and automatically apply them to newly created VPCs and security groups, while also automatically remediating any existing non-compliant security groups. Which AWS service should the team use?
FAQ
Questions learners often ask
What does this CLF-C02 question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Amazon ECS with the AWS Fargate launch type — The correct answer is to use Amazon ECS with the AWS Fargate launch type. Fargate is a serverless compute engine for containers that works with Amazon ECS and Amazon EKS. It allows you to run containers without managing servers or clusters. You simply define your application requirements (CPU, memory) and Fargate provisions and manages the infrastructure, scaling automatically. In contrast, the other options either require managing instances (EC2), are designed for functions rather than containers (Lambda), or still involve managing EC2 instances in the form of managed node groups (EKS with managed node groups).
What should I do if I get this CLF-C02 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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