This AZ-900 practice question tests your understanding of describe 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 is evaluating cloud deployment models. They need to keep sensitive data on-premises due to regulations but want to use Azure for development and testing workloads. Which cloud deployment model is most suitable?
Correct. Hybrid cloud connects on-premises environments with public cloud, enabling you to choose where workloads run based on compliance and other requirements.
B
Public cloud
Why wrong: Incorrect. Public cloud resources are entirely off-premises, which may not meet the requirement to keep sensitive data on-premises.
C
Private cloud
Why wrong: Incorrect. Private cloud is used exclusively by one organization, but the scenario requires using Azure alongside on-premises, not exclusively on-premises.
D
Community cloud
Why wrong: Incorrect. Community cloud is shared by several organizations with similar concerns, not a mix of on-premises and public cloud.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Hybrid cloud
A hybrid cloud deployment model is most suitable because it combines on-premises infrastructure (private cloud) with public cloud services like Azure. This allows the company to keep sensitive data on-premises to meet regulatory compliance while leveraging Azure for development and testing workloads, which do not have the same data residency constraints.
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.
✓
Hybrid cloud
Why this is correct
Correct. Hybrid cloud connects on-premises environments with public cloud, enabling you to choose where workloads run based on compliance and other requirements.
Related concept
Read the scenario before looking for a memorised answer.
✗
Public cloud
Why it's wrong here
Incorrect. Public cloud resources are entirely off-premises, which may not meet the requirement to keep sensitive data on-premises.
✗
Private cloud
Why it's wrong here
Incorrect. Private cloud is used exclusively by one organization, but the scenario requires using Azure alongside on-premises, not exclusively on-premises.
✗
Community cloud
Why it's wrong here
Incorrect. Community cloud is shared by several organizations with similar concerns, not a mix of on-premises and public cloud.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may choose Public cloud thinking Azure can handle all workloads, overlooking the regulatory requirement to keep sensitive data on-premises, or choose Private cloud assuming it's the only compliant option, missing the hybrid model's ability to segregate workloads.
Trap categories for this question
Similar concept trap
Incorrect. Community cloud is shared by several organizations with similar concerns, not a mix of on-premises and public cloud.
Scenario analysis trap
Incorrect. Private cloud is used exclusively by one organization, but the scenario requires using Azure alongside on-premises, not exclusively on-premises.
Detailed technical explanation
How to think about this question
Hybrid cloud enables seamless connectivity between on-premises environments and Azure via services like Azure ExpressRoute or VPN gateways, using protocols such as IPsec or MPLS. This allows data to remain on-premises for compliance while bursting compute workloads to Azure for dev/test, often orchestrated through Azure Arc or Azure Stack HCI for consistent management. A real-world scenario is a financial institution using Azure DevOps for CI/CD pipelines while keeping customer PII in a local SQL Server.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-900 question in full detail.
Describe cloud concepts — This question tests Describe 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 — A hybrid cloud deployment model is most suitable because it combines on-premises infrastructure (private cloud) with public cloud services like Azure. This allows the company to keep sensitive data on-premises to meet regulatory compliance while leveraging Azure for development and testing workloads, which do not have the same data residency constraints.
What should I do if I get this AZ-900 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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Question Discussion
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