This MS-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 wants to run a critical application that requires dedicated hardware to comply with regulatory isolation requirements. However, they want to avoid the upfront cost of building their own data center. Which cloud deployment model meets these needs?
A hosted private cloud provides dedicated resources with full control and regulatory compliance, while avoiding the capital expense of building an on-premises data center.
B
Public cloud
Why wrong: Public cloud operates on shared infrastructure, which may not meet strict isolation requirements for regulations.
C
Hybrid cloud
Why wrong: Hybrid cloud combines public and private, but the core requirement is dedicated isolation, best met by private cloud alone.
D
Community cloud
Why wrong: Community cloud serves a group of organizations with similar needs, but the infrastructure is shared among that community, which may not satisfy strict single-organization isolation.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Private cloud
A private cloud is the correct deployment model because it provides dedicated hardware and infrastructure for a single organization, ensuring regulatory isolation without requiring the company to build and maintain its own on-premises data center. In Azure, a private cloud can be implemented via Azure Stack Hub or Azure VMware Solution, which run in the customer's own environment or a dedicated hosted environment, meeting compliance needs while avoiding upfront capital expenditure.
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.
✓
Private cloud
Why this is correct
A hosted private cloud provides dedicated resources with full control and regulatory compliance, while avoiding the capital expense of building an on-premises data center.
Related concept
Read the scenario before looking for a memorised answer.
✗
Public cloud
Why it's wrong here
Public cloud operates on shared infrastructure, which may not meet strict isolation requirements for regulations.
✗
Hybrid cloud
Why it's wrong here
Hybrid cloud combines public and private, but the core requirement is dedicated isolation, best met by private cloud alone.
✗
Community cloud
Why it's wrong here
Community cloud serves a group of organizations with similar needs, but the infrastructure is shared among that community, which may not satisfy strict single-organization isolation.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse 'private cloud' with 'on-premises only,' forgetting that a private cloud can be hosted by a third-party provider like Azure Stack Hub, which offers dedicated hardware without the upfront cost of building a data center.
Trap categories for this question
Similar concept trap
Community cloud serves a group of organizations with similar needs, but the infrastructure is shared among that community, which may not satisfy strict single-organization isolation.
Detailed technical explanation
How to think about this question
A private cloud can be deployed on-premises or via a cloud provider's dedicated infrastructure, such as Azure Dedicated Host, which provides physical servers isolated from other tenants. This model supports compliance frameworks like HIPAA or PCI DSS that mandate hardware-level separation, and can be managed through Azure Policy to enforce isolation controls. In a real-world scenario, a financial institution might use Azure Dedicated Host to run a critical application requiring FIPS 140-2 validated hardware security modules (HSMs) without building a private data center.
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: Private cloud — A private cloud is the correct deployment model because it provides dedicated hardware and infrastructure for a single organization, ensuring regulatory isolation without requiring the company to build and maintain its own on-premises data center. In Azure, a private cloud can be implemented via Azure Stack Hub or Azure VMware Solution, which run in the customer's own environment or a dedicated hosted environment, meeting compliance needs while avoiding upfront capital expenditure.
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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