- A
Broad network access
Why wrong: Broad network access means resources are available over the network and can be accessed by standard mechanisms (e.g., mobile phones, laptops). While the scenario involves using the AWS Management Console over the internet, the key differentiator is the lack of human interaction during provisioning, which is not captured by this characteristic.
- B
On-demand self-service
On-demand self-service allows users to provision computing resources automatically without requiring human interaction from the cloud provider. The team independently launches and terminates resources through the AWS Management Console, directly demonstrating this characteristic.
- C
Resource pooling
Why wrong: Resource pooling describes the provider's ability to serve multiple customers from a shared pool of physical resources. The scenario does not emphasize multi-tenancy or sharing; it focuses on the user's ability to independently provision resources.
- D
Measured service
Why wrong: Measured service means that cloud resource usage can be monitored, controlled, and reported for transparency and billing. Although AWS meters usage, the scenario specifically highlights the lack of human intervention during provisioning, not the metering aspect.
CLF-C02 Cloud Concepts Practice Question
This CLF-C02 practice question tests your understanding of cloud concepts. 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's development team regularly creates temporary test environments. Each time, they log into the AWS Management Console, select the required Amazon EC2 instance types and storage, and launch the resources without needing to contact AWS support or their IT department. The team also terminates the resources when testing is complete. Which essential characteristic of cloud computing does this scenario best demonstrate?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"best"Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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
On-demand self-service
The scenario describes the development team provisioning and terminating EC2 instances and storage directly through the AWS Management Console without requiring human intervention from AWS support or their IT department. This is the precise definition of on-demand self-service, one of the five essential characteristics of cloud computing as defined by NIST SP 800-145, where a consumer can unilaterally provision computing capabilities as needed automatically.
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.
- ✗
Broad network access
Why it's wrong here
Broad network access means resources are available over the network and can be accessed by standard mechanisms (e.g., mobile phones, laptops). While the scenario involves using the AWS Management Console over the internet, the key differentiator is the lack of human interaction during provisioning, which is not captured by this characteristic.
- ✓
On-demand self-service
Why this is correct
On-demand self-service allows users to provision computing resources automatically without requiring human interaction from the cloud provider. The team independently launches and terminates resources through the AWS Management Console, directly demonstrating this characteristic.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Resource pooling
Why it's wrong here
Resource pooling describes the provider's ability to serve multiple customers from a shared pool of physical resources. The scenario does not emphasize multi-tenancy or sharing; it focuses on the user's ability to independently provision resources.
- ✗
Measured service
Why it's wrong here
Measured service means that cloud resource usage can be monitored, controlled, and reported for transparency and billing. Although AWS meters usage, the scenario specifically highlights the lack of human intervention during provisioning, not the metering aspect.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse 'broad network access' (access from anywhere via the internet) with the ability to self-provision, but the key differentiator is the lack of human intervention required, not the method of access.
Trap categories for this question
Scenario analysis trap
Broad network access means resources are available over the network and can be accessed by standard mechanisms (e.g., mobile phones, laptops). While the scenario involves using the AWS Management Console over the internet, the key differentiator is the lack of human interaction during provisioning, which is not captured by this characteristic.
Detailed technical explanation
How to think about this question
Under the hood, on-demand self-service is enabled by AWS Identity and Access Management (IAM) policies and the AWS API (e.g., RunInstances for EC2). When a developer clicks 'Launch Instance' in the console, an API call is made to the EC2 service, which authenticates the request via IAM and provisions the resource within seconds—no support ticket or manual approval is needed. This characteristic is foundational for DevOps automation, where infrastructure is spun up and torn down programmatically using tools like AWS CloudFormation or Terraform.
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 CLF-C02 question test?
Cloud Concepts — This question tests Cloud Concepts — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: On-demand self-service — The scenario describes the development team provisioning and terminating EC2 instances and storage directly through the AWS Management Console without requiring human intervention from AWS support or their IT department. This is the precise definition of on-demand self-service, one of the five essential characteristics of cloud computing as defined by NIST SP 800-145, where a consumer can unilaterally provision computing capabilities as needed automatically.
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.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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: Jun 11, 2026
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.
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