Question 969 of 1,024
Cloud Technology and ServicesmediumMultiple ChoiceObjective-mapped

CLF-C02 Cloud Technology and Services Practice Question

This CLF-C02 practice question tests your understanding of cloud technology and services. 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 company is deploying a multi-tier web application that includes a VPC, subnets, security groups, EC2 instances, and an Application Load Balancer. The team needs to define the entire infrastructure in a version-controlled template so that it can be consistently deployed across development, test, and production environments with minimal manual effort. Which AWS service should the team use to meet this requirement?

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 CloudFormation

AWS CloudFormation is the correct choice because it is an Infrastructure as Code (IaC) service that allows you to define your entire multi-tier web application infrastructure—including VPC, subnets, security groups, EC2 instances, and an Application Load Balancer—in a version-controlled template (JSON or YAML). This enables consistent, repeatable deployments across development, test, and production environments with minimal manual effort, as CloudFormation handles the provisioning and updates in an orderly, predictable manner.

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 CloudFormation

    Why this is correct

    Correct. AWS CloudFormation is a service that allows you to model and provision AWS resources using templates. This enables Infrastructure as Code (IaC), ensuring consistent and repeatable deployments across environments.

    Related concept

    Read the scenario before looking for a memorised answer.

  • AWS Elastic Beanstalk

    Why it's wrong here

    Incorrect. AWS Elastic Beanstalk is a PaaS service that automatically handles deployment, capacity provisioning, and load balancing for applications. While it simplifies deployment, it does not provide the granular, version-controlled infrastructure template the team needs for multi-tier networking and security groups.

    When this WOULD be correct

    A team needs to quickly deploy a web application without managing the underlying infrastructure, and they want automatic scaling, load balancing, and health monitoring. They are not concerned with defining VPCs or subnets manually. In that scenario, Elastic Beanstalk would be the correct choice.

  • AWS OpsWorks

    Why it's wrong here

    Incorrect. AWS OpsWorks is a configuration management service that uses Chef or Puppet to manage server configurations and automate operational tasks. It is not designed for defining and provisioning core AWS infrastructure resources like VPCs and subnets via templates.

    When this WOULD be correct

    A company uses Chef recipes to manage application configuration and needs a service to automate server configuration and deployment across EC2 instances. AWS OpsWorks would be the correct choice for managing lifecycle and configuration with Chef or Puppet.

  • AWS Systems Manager

    Why it's wrong here

    Incorrect. AWS Systems Manager provides a unified interface for operational tasks such as patch management, automation, and inventory collection. It does not offer a template-based approach for provisioning infrastructure resources.

    When this WOULD be correct

    A question asking which service to use for automating patching, running commands, or managing configuration across a fleet of EC2 instances without SSH access would make Systems Manager correct.

Option-by-option analysis

Why each answer is right or wrong

Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The CLF-C02 exam frequently reuses these exact scenarios with slightly different constraints.

AWS CloudFormationCorrect answer

Why this is correct

Correct. AWS CloudFormation is a service that allows you to model and provision AWS resources using templates. This enables Infrastructure as Code (IaC), ensuring consistent and repeatable deployments across environments.

AWS Elastic BeanstalkWrong answer — click to see why

Why this is wrong here

AWS Elastic Beanstalk is a PaaS service that abstracts infrastructure management, but it does not provide version-controlled infrastructure-as-code templates for defining VPCs, subnets, security groups, and other low-level resources. The requirement is for a template-based, version-controlled deployment of the entire infrastructure, which is exactly what CloudFormation offers.

★ When this WOULD be the correct answer

A team needs to quickly deploy a web application without managing the underlying infrastructure, and they want automatic scaling, load balancing, and health monitoring. They are not concerned with defining VPCs or subnets manually. In that scenario, Elastic Beanstalk would be the correct choice.

Why candidates choose this

Candidates may confuse Elastic Beanstalk's ability to deploy and manage applications with the need for infrastructure-as-code templates. They might think Elastic Beanstalk can also produce version-controlled templates, but it focuses on application deployment, not low-level infrastructure definition.

AWS OpsWorksWrong answer — click to see why

Why this is wrong here

AWS OpsWorks is a configuration management service that uses Chef or Puppet, not a declarative infrastructure-as-code template service. The requirement is for a version-controlled template to define the entire infrastructure, which is the purpose of AWS CloudFormation.

★ When this WOULD be the correct answer

A company uses Chef recipes to manage application configuration and needs a service to automate server configuration and deployment across EC2 instances. AWS OpsWorks would be the correct choice for managing lifecycle and configuration with Chef or Puppet.

Why candidates choose this

Candidates may confuse OpsWorks as an infrastructure-as-code tool because it can automate deployments and manage stacks, but it focuses on configuration management rather than declarative infrastructure definition.

AWS Systems ManagerWrong answer — click to see why

Why this is wrong here

AWS Systems Manager is a management service for operational tasks like patching and automation, not for defining and deploying entire infrastructure templates in a version-controlled manner.

★ When this WOULD be the correct answer

A question asking which service to use for automating patching, running commands, or managing configuration across a fleet of EC2 instances without SSH access would make Systems Manager correct.

Why candidates choose this

Candidates may confuse Systems Manager's automation capabilities with infrastructure provisioning, or think its 'Automation' feature can replace CloudFormation for template-based deployments.

Analysis generated from the official CLF-C02blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often confuse AWS Elastic Beanstalk (a PaaS that simplifies deployment) with CloudFormation (an IaC service), but Elastic Beanstalk does not provide the granular, version-controlled control over network components like VPCs and subnets required by the question.

Detailed technical explanation

How to think about this question

CloudFormation uses a declarative template where resources are defined as AWS::EC2::VPC, AWS::EC2::Subnet, AWS::EC2::SecurityGroup, AWS::EC2::Instance, and AWS::ElasticLoadBalancingV2::LoadBalancer, and it automatically determines the correct order of creation based on dependencies (e.g., a subnet depends on a VPC). A subtle behavior is that CloudFormation supports change sets, allowing you to preview how changes to the template will affect existing stacks before execution, which is critical for avoiding unintended downtime in production environments.

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.

Visual reference

192.168.1.0 /24 256 addresses (254 usable) 192.168.1.0 /25 Subnet A 128 addr (126 usable) 192.168.1.128 /25 Subnet B 128 addr (126 usable) Borrowing 1 bit from host portion creates 2 subnets (/25)

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 CLF-C02 question test?

Cloud Technology and Services — This question tests Cloud Technology and Services — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: AWS CloudFormation — AWS CloudFormation is the correct choice because it is an Infrastructure as Code (IaC) service that allows you to define your entire multi-tier web application infrastructure—including VPC, subnets, security groups, EC2 instances, and an Application Load Balancer—in a version-controlled template (JSON or YAML). This enables consistent, repeatable deployments across development, test, and production environments with minimal manual effort, as CloudFormation handles the provisioning and updates in an orderly, predictable manner.

What should I do if I get this CLF-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.

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Last reviewed: Jun 11, 2026

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This CLF-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 CLF-C02 exam.