- A
Public cloud
Why wrong: A public cloud deployment means all infrastructure and applications are hosted entirely on the cloud provider's premises and accessible over the internet. This option is incorrect because the company still maintains an on-premises application and uses a dedicated private connection, not a pure public cloud model.
- B
Private cloud
Why wrong: A private cloud deployment involves using cloud resources exclusively for a single organization, typically within its own data center. While the on-premises part could be considered a private cloud, the company is also using AWS, which is a public cloud provider. Therefore, this is not solely a private cloud model.
- C
Hybrid cloud
Hybrid cloud is a model that combines on-premises infrastructure (private cloud) with public cloud services. This scenario perfectly fits hybrid cloud because the company runs its core application on-premises while using AWS for development and test. The dedicated private network connection (e.g., Direct Connect) bridges the two environments, enabling secure data exchange and unified operations.
- D
Multi-cloud
Why wrong: Multi-cloud refers to using multiple public cloud providers (e.g., AWS, Azure, Google Cloud) for different workloads. This scenario only involves AWS and an on-premises data center, not multiple public providers. Hence, multi-cloud does not apply here.
CLF-C02 Cloud Concepts Practice Question
This CLF-C02 practice question tests your understanding of cloud concepts. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 financial services company has a core banking application that runs on-premises and stores sensitive customer data. Due to strict regulatory requirements, this application cannot be migrated to the cloud. However, the company wants to use AWS for its development and test environments to benefit from rapid provisioning and pay-per-use pricing. The company also wants to establish a dedicated private network connection between its on-premises data center and AWS to securely transfer data between the environments. Which cloud deployment model does this scenario describe?
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
Hybrid cloud
This scenario describes a hybrid cloud deployment model because it combines on-premises infrastructure (the core banking application) with AWS public cloud resources (development and test environments) connected via a dedicated private network, such as AWS Direct Connect. The hybrid cloud model allows the company to keep sensitive data on-premises for regulatory compliance while leveraging AWS's scalability and pay-per-use pricing for non-production workloads. The key enabler is the private, low-latency connection that securely transfers data between the two environments, which is a hallmark of hybrid cloud architecture.
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.
- ✗
Public cloud
Why it's wrong here
A public cloud deployment means all infrastructure and applications are hosted entirely on the cloud provider's premises and accessible over the internet. This option is incorrect because the company still maintains an on-premises application and uses a dedicated private connection, not a pure public cloud model.
When this WOULD be correct
A company runs all its applications and data entirely on AWS using shared infrastructure, with no on-premises systems, and accesses AWS over the public internet. The question would ask: 'Which deployment model uses shared cloud resources accessible over the internet?'
- ✗
Private cloud
Why it's wrong here
A private cloud deployment involves using cloud resources exclusively for a single organization, typically within its own data center. While the on-premises part could be considered a private cloud, the company is also using AWS, which is a public cloud provider. Therefore, this is not solely a private cloud model.
When this WOULD be correct
A company wants to run its entire IT infrastructure, including development and production, on AWS but isolated from other customers using Amazon VPC and dedicated instances, with no on-premises component. The question would ask for the deployment model where all resources are cloud-based and dedicated to one organization.
- ✓
Hybrid cloud
Why this is correct
Hybrid cloud is a model that combines on-premises infrastructure (private cloud) with public cloud services. This scenario perfectly fits hybrid cloud because the company runs its core application on-premises while using AWS for development and test. The dedicated private network connection (e.g., Direct Connect) bridges the two environments, enabling secure data exchange and unified operations.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Multi-cloud
Why it's wrong here
Multi-cloud refers to using multiple public cloud providers (e.g., AWS, Azure, Google Cloud) for different workloads. This scenario only involves AWS and an on-premises data center, not multiple public providers. Hence, multi-cloud does not apply here.
When this WOULD be correct
A company uses AWS for compute and Azure for storage to avoid vendor lock-in and leverage best-of-breed services. The question would ask: 'Which model describes using multiple cloud providers?'
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.
✓Hybrid cloudCorrect answer▾
Why this is correct
Hybrid cloud is a model that combines on-premises infrastructure (private cloud) with public cloud services. This scenario perfectly fits hybrid cloud because the company runs its core application on-premises while using AWS for development and test. The dedicated private network connection (e.g., Direct Connect) bridges the two environments, enabling secure data exchange and unified operations.
✗Public cloudWrong answer — click to see why▾
Why this is wrong here
A public cloud deployment involves using shared cloud resources over the public internet, but the scenario requires a dedicated private network connection (e.g., AWS Direct Connect) and retains on-premises infrastructure for the core application, which is not purely public cloud.
★ When this WOULD be the correct answer
A company runs all its applications and data entirely on AWS using shared infrastructure, with no on-premises systems, and accesses AWS over the public internet. The question would ask: 'Which deployment model uses shared cloud resources accessible over the internet?'
Why candidates choose this
Candidates may think that using AWS for dev/test environments means the entire solution is public cloud, overlooking the on-premises component and the dedicated private connection that make it hybrid.
✗Private cloudWrong answer — click to see why▾
Why this is wrong here
A private cloud is dedicated to a single organization and typically hosted on-premises or in a provider's data center. This scenario involves using both on-premises and AWS, which is hybrid, not private.
★ When this WOULD be the correct answer
A company wants to run its entire IT infrastructure, including development and production, on AWS but isolated from other customers using Amazon VPC and dedicated instances, with no on-premises component. The question would ask for the deployment model where all resources are cloud-based and dedicated to one organization.
Why candidates choose this
Candidates may confuse 'private cloud' with 'private network connection' or think that because sensitive data stays on-premises, the overall model is private, ignoring the use of public cloud for dev/test.
✗Multi-cloudWrong answer — click to see why▾
Why this is wrong here
Multi-cloud refers to using multiple cloud providers (e.g., AWS and Azure), not a combination of on-premises and cloud. This scenario uses only AWS alongside on-premises, so it is hybrid cloud, not multi-cloud.
★ When this WOULD be the correct answer
A company uses AWS for compute and Azure for storage to avoid vendor lock-in and leverage best-of-breed services. The question would ask: 'Which model describes using multiple cloud providers?'
Why candidates choose this
Candidates may confuse 'hybrid' (on-premises + cloud) with 'multi-cloud' (multiple public clouds), especially when the scenario involves multiple environments.
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 hybrid cloud with multi-cloud, but hybrid cloud specifically refers to a mix of on-premises and public cloud (or private and public cloud), whereas multi-cloud involves using multiple public cloud providers without any on-premises component.
Trap categories for this question
Scenario analysis trap
Multi-cloud refers to using multiple public cloud providers (e.g., AWS, Azure, Google Cloud) for different workloads. This scenario only involves AWS and an on-premises data center, not multiple public providers. Hence, multi-cloud does not apply here.
Detailed technical explanation
How to think about this question
Under the hood, a hybrid cloud deployment often relies on AWS Direct Connect, which uses industry-standard 802.1Q VLANs to establish a dedicated network connection from an on-premises router to an AWS Direct Connect location, bypassing the public internet for lower latency and consistent bandwidth. This setup enables seamless integration of on-premises resources with AWS VPCs via virtual private gateways, allowing the company to extend its corporate network into the cloud while maintaining strict security boundaries for sensitive data. A real-world scenario where this matters is in financial services, where PCI DSS or SOX compliance may require that customer data never leaves the on-premises data center, yet development teams can still use AWS for testing with anonymized or synthetic data.
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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
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: Hybrid cloud — This scenario describes a hybrid cloud deployment model because it combines on-premises infrastructure (the core banking application) with AWS public cloud resources (development and test environments) connected via a dedicated private network, such as AWS Direct Connect. The hybrid cloud model allows the company to keep sensitive data on-premises for regulatory compliance while leveraging AWS's scalability and pay-per-use pricing for non-production workloads. The key enabler is the private, low-latency connection that securely transfers data between the two environments, which is a hallmark of hybrid cloud architecture.
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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