This MS-900 practice question tests your understanding of describe 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 financial services company uses a public cloud provider for its development and testing environments, but keeps its production data and applications on-premises due to strict regulatory requirements. Which cloud deployment model is the company using?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Hybrid cloud
The company uses a hybrid cloud model because it combines on-premises infrastructure (private cloud) for production workloads with a public cloud provider for development and testing. This allows the organization to meet strict regulatory requirements for data residency and security while leveraging the scalability and cost benefits of the public cloud for non-sensitive workloads.
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. The company uses both public cloud (dev/test) and on-premises (production), which is the definition of hybrid cloud.
Related concept
Read the scenario before looking for a memorised answer.
✗
Public cloud
Why it's wrong here
Incorrect. Public cloud alone would not meet the regulatory requirement for production data being on-premises.
✗
Private cloud
Why it's wrong here
Incorrect. Private cloud implies resources are dedicated to a single organization, but the company also uses public cloud resources.
✗
Community cloud
Why it's wrong here
Incorrect. Community cloud is shared by multiple organizations with common goals, not a mix of public and on-premises.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse 'hybrid cloud' with 'public cloud' because the company uses a public provider, but the key distinction is the combination of on-premises and public resources, not exclusive use of one.
Detailed technical explanation
How to think about this question
Hybrid cloud enables workload portability and orchestration between private and public environments, often using technologies like VPNs, direct connections (e.g., Azure ExpressRoute or AWS Direct Connect), and unified management tools. This model allows burst capacity for testing without compromising compliance, as sensitive production data never leaves the on-premises boundary. A subtle behavior is that regulatory requirements may mandate data sovereignty, which hybrid cloud addresses by keeping data on-premises while using public cloud for compute elasticity.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this MS-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 — The company uses a hybrid cloud model because it combines on-premises infrastructure (private cloud) for production workloads with a public cloud provider for development and testing. This allows the organization to meet strict regulatory requirements for data residency and security while leveraging the scalability and cost benefits of the public cloud for non-sensitive workloads.
What should I do if I get this MS-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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