- A
On-demand self-service
Why wrong: On-demand self-service refers to a consumer being able to provision computing resources (e.g., servers, storage) automatically without requiring human interaction with the service provider. The scenario describes accessing an existing application, not provisioning new resources, so this is incorrect.
- B
Broad network access
Broad network access means capabilities are available over the network and accessed through standard mechanisms from a variety of client devices. The sales team uses multiple device types and standard web browsers, which is a direct example of this characteristic.
- C
Resource pooling
Why wrong: Resource pooling is the provider's ability to serve multiple customers from shared physical and virtual resources, dynamically assigned according to demand. The scenario does not illustrate multi-tenancy or resource sharing; it focuses on how users connect to the service.
- D
Rapid elasticity
Why wrong: Rapid elasticity refers to the ability to quickly scale resources up and down in response to demand. The scenario does not involve scaling; it simply shows users accessing an application from different devices.
CLF-C02 Cloud Concepts Practice Question
This CLF-C02 practice question tests your understanding of cloud concepts. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 sales team uses a cloud-based CRM application hosted on AWS. Sales representatives access the application from various devices—office desktops, company-issued laptops, and personal smartphones—using only standard web browsers and internet connections. No special client software or dedicated network connections are required. Which essential characteristic of cloud computing does this scenario best illustrate?
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
Broad network access
The scenario describes sales representatives accessing the CRM application from various devices (desktops, laptops, smartphones) using only standard web browsers and internet connections, without requiring special client software or dedicated network connections. This directly illustrates 'broad network access,' which is the ability for resources to be accessed over the network by a wide range of client platforms (e.g., mobile phones, laptops, workstations) using standard protocols (HTTP/HTTPS). The key is that the service is available from anywhere with an internet connection, not limited to a specific location or device type.
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.
- ✗
On-demand self-service
Why it's wrong here
On-demand self-service refers to a consumer being able to provision computing resources (e.g., servers, storage) automatically without requiring human interaction with the service provider. The scenario describes accessing an existing application, not provisioning new resources, so this is incorrect.
When this WOULD be correct
A question where a user can independently provision and manage cloud resources (e.g., spinning up a virtual machine or storage) through a web portal without needing to contact the cloud provider's support team. For example: 'A developer creates and configures a new database instance via a cloud provider's management console without any manual approval.'
- ✓
Broad network access
Why this is correct
Broad network access means capabilities are available over the network and accessed through standard mechanisms from a variety of client devices. The sales team uses multiple device types and standard web browsers, which is a direct example of this characteristic.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Resource pooling
Why it's wrong here
Resource pooling is the provider's ability to serve multiple customers from shared physical and virtual resources, dynamically assigned according to demand. The scenario does not illustrate multi-tenancy or resource sharing; it focuses on how users connect to the service.
When this WOULD be correct
A question describing a multi-tenant application where multiple customers use the same infrastructure, and resources are dynamically assigned based on demand, would make resource pooling the correct answer.
- ✗
Rapid elasticity
Why it's wrong here
Rapid elasticity refers to the ability to quickly scale resources up and down in response to demand. The scenario does not involve scaling; it simply shows users accessing an application from different devices.
When this WOULD be correct
A question describing a company's e-commerce website that automatically adds more servers during flash sales and removes them afterward, without manual intervention, would make rapid elasticity the correct answer.
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.
✓Broad network accessCorrect answer▾
Why this is correct
Broad network access means capabilities are available over the network and accessed through standard mechanisms from a variety of client devices. The sales team uses multiple device types and standard web browsers, which is a direct example of this characteristic.
✗On-demand self-serviceWrong answer — click to see why▾
Why this is wrong here
The scenario describes access from various devices using standard web browsers and internet connections, which directly illustrates broad network access (capabilities accessed over the network by heterogeneous client platforms). On-demand self-service would require users to provision computing capabilities themselves without human interaction, which is not mentioned.
★ When this WOULD be the correct answer
A question where a user can independently provision and manage cloud resources (e.g., spinning up a virtual machine or storage) through a web portal without needing to contact the cloud provider's support team. For example: 'A developer creates and configures a new database instance via a cloud provider's management console without any manual approval.'
Why candidates choose this
Candidates may confuse the ability to access the CRM from any device with the idea of 'self-service' because they think users are choosing to access the service on demand, but on-demand self-service specifically refers to provisioning resources, not accessing existing applications.
✗Resource poolingWrong answer — click to see why▾
Why this is wrong here
Resource pooling refers to the provider's computing resources being pooled to serve multiple customers, with physical and virtual resources dynamically assigned. The scenario emphasizes access from various devices via standard browsers, not multi-tenant resource sharing.
★ When this WOULD be the correct answer
A question describing a multi-tenant application where multiple customers use the same infrastructure, and resources are dynamically assigned based on demand, would make resource pooling the correct answer.
Why candidates choose this
Candidates may confuse the ability to access from any device with the underlying infrastructure being shared, or they may think 'pooling' refers to pooling of access methods rather than computing resources.
✗Rapid elasticityWrong answer — click to see why▾
Why this is wrong here
Rapid elasticity refers to the ability to quickly scale resources up or down based on demand. The scenario describes access from various devices, not scaling of resources.
★ When this WOULD be the correct answer
A question describing a company's e-commerce website that automatically adds more servers during flash sales and removes them afterward, without manual intervention, would make rapid elasticity the correct answer.
Why candidates choose this
Candidates may confuse the ability to access from many devices with the ability to scale resources rapidly, both involving flexibility and adaptability.
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 confuse 'broad network access' with 'on-demand self-service' because both involve user interaction, but the key differentiator is that broad network access focuses on accessibility from multiple device types over standard networks, whereas on-demand self-service is about automated provisioning without provider intervention.
Trap categories for this question
Command / output trap
Rapid elasticity refers to the ability to quickly scale resources up and down in response to demand. The scenario does not involve scaling; it simply shows users accessing an application from different devices.
Scenario analysis trap
On-demand self-service refers to a consumer being able to provision computing resources (e.g., servers, storage) automatically without requiring human interaction with the service provider. The scenario describes accessing an existing application, not provisioning new resources, so this is incorrect.
Detailed technical explanation
How to think about this question
Broad network access is defined in NIST SP 800-145 as 'capabilities are available over the network and accessed through standard mechanisms that promote use by heterogeneous thin or thick client platforms (e.g., mobile phones, tablets, laptops, and workstations).' Under the hood, this relies on standard protocols like HTTPS (port 443) and TLS for secure communication, and often uses RESTful APIs or WebSockets to ensure compatibility across diverse client environments. In a real-world scenario, a salesperson in a hotel using a smartphone's cellular data to access the CRM via a browser exemplifies broad network access, while a VPN requirement would violate this characteristic.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
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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: Broad network access — The scenario describes sales representatives accessing the CRM application from various devices (desktops, laptops, smartphones) using only standard web browsers and internet connections, without requiring special client software or dedicated network connections. This directly illustrates 'broad network access,' which is the ability for resources to be accessed over the network by a wide range of client platforms (e.g., mobile phones, laptops, workstations) using standard protocols (HTTP/HTTPS). The key is that the service is available from anywhere with an internet connection, not limited to a specific location or device type.
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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