- A
Private cloud
Why wrong: Incorrect. A private cloud is used exclusively by a single organization, typically on-premises or in a dedicated hosted environment. Here, the company is using Microsoft 365, a public cloud service, so the environment is not solely private.
- B
Public cloud
Why wrong: Incorrect. A public cloud uses third-party services available to multiple organizations over the internet. In this scenario, only the email system is in the public cloud; the critical production scheduling and file servers remain on-premises, so the overall deployment is not purely public.
- C
Hybrid cloud
Correct. A hybrid cloud combines on-premises infrastructure (or private cloud) with public cloud services. The company keeps its core on-premises systems and adds Microsoft 365 for email, creating a mixed environment that spans both private and public clouds.
- D
Community cloud
Why wrong: Incorrect. A community cloud is shared by several organizations with a common mission, security requirements, or compliance considerations (e.g., government or healthcare consortiums). This scenario involves only one company and does not describe a community arrangement.
Quick Answer
The answer is hybrid cloud. This is correct because the hybrid cloud deployment model combines on-premises infrastructure—like the company’s proprietary production scheduling servers and file servers—with public cloud services, specifically Microsoft 365 for email, creating an integrated environment where resources span both locations. On the Microsoft Azure Fundamentals AZ-900 exam, this scenario tests your ability to distinguish deployment models by focusing on whether an organization uses a mix of private and public resources; a common trap is confusing hybrid with public cloud when only one workload moves to the cloud. Remember that hybrid is about blending—if any part stays on-premises while another part uses a public cloud service, it’s hybrid, not pure public or private. A simple memory tip: “Hybrid = home + hotel,” meaning your own servers plus a rented cloud service.
AZ-900 Describe cloud concepts Practice Question
This AZ-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 manufacturing company runs its proprietary production scheduling software on on-premises servers. The IT team also manages on-premises file servers. The company decides to move its email system to Microsoft 365 but keeps all other systems on-premises. Which cloud deployment model does this scenario best describe?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"best"Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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 because the company uses a mix of on-premises infrastructure (production scheduling servers and file servers) and a public cloud service (Microsoft 365 for email). In a hybrid cloud model, organizations integrate on-premises resources with public cloud services, allowing data and applications to be shared between them. Here, the email system runs in Microsoft's public cloud while all other systems remain on-premises, creating a hybrid deployment.
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 it's wrong here
Incorrect. A private cloud is used exclusively by a single organization, typically on-premises or in a dedicated hosted environment. Here, the company is using Microsoft 365, a public cloud service, so the environment is not solely private.
- ✗
Public cloud
Why it's wrong here
Incorrect. A public cloud uses third-party services available to multiple organizations over the internet. In this scenario, only the email system is in the public cloud; the critical production scheduling and file servers remain on-premises, so the overall deployment is not purely public.
- ✓
Hybrid cloud
Why this is correct
Correct. A hybrid cloud combines on-premises infrastructure (or private cloud) with public cloud services. The company keeps its core on-premises systems and adds Microsoft 365 for email, creating a mixed environment that spans both private and public clouds.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Community cloud
Why it's wrong here
Incorrect. A community cloud is shared by several organizations with a common mission, security requirements, or compliance considerations (e.g., government or healthcare consortiums). This scenario involves only one company and does not describe a community arrangement.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often think hybrid cloud requires active data sharing or integration between on-premises and cloud, but the AZ-900 definition includes any mix of on-premises and public cloud resources, even if they are used independently.
Trap categories for this question
Scenario analysis trap
Incorrect. A public cloud uses third-party services available to multiple organizations over the internet. In this scenario, only the email system is in the public cloud; the critical production scheduling and file servers remain on-premises, so the overall deployment is not purely public.
Detailed technical explanation
How to think about this question
In a hybrid cloud, organizations typically use VPNs or Azure ExpressRoute to connect on-premises networks to public cloud services, enabling seamless data flow and unified management. Microsoft 365 operates as a SaaS (Software as a Service) offering in the public cloud, while the on-premises servers remain under the company's direct control. A key nuance is that hybrid cloud does not require all workloads to be interconnected; even a single workload moved to the cloud while others remain on-premises qualifies as a hybrid deployment.
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.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this AZ-900 question test?
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 — This scenario describes a hybrid cloud because the company uses a mix of on-premises infrastructure (production scheduling servers and file servers) and a public cloud service (Microsoft 365 for email). In a hybrid cloud model, organizations integrate on-premises resources with public cloud services, allowing data and applications to be shared between them. Here, the email system runs in Microsoft's public cloud while all other systems remain on-premises, creating a hybrid deployment.
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.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
2 more ways this is tested on AZ-900
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A financial institution must keep sensitive customer financial data on-premises to comply with regulatory requirements. However, they also want to use Azure to run compute-intensive analytics on anonymized datasets, taking advantage of scalable resources without managing physical servers. Which cloud deployment model should they adopt?
medium- A.Public cloud
- B.Private cloud
- ✓ C.Hybrid cloud
- D.Community cloud
Why C: The hybrid cloud model is correct because it allows the financial institution to keep sensitive customer data on-premises for regulatory compliance while leveraging Azure's public cloud for compute-intensive analytics on anonymized datasets. This approach combines the security and control of a private cloud (on-premises) with the scalability and managed services of a public cloud, without requiring the organization to manage physical servers for the analytics workload.
Variation 2. A hospital maintains its patient records on physical servers located within its own on-premises data center due to strict data residency regulations that prohibit patient data from leaving the country. For analytical workloads that process only anonymized data, the hospital uses Azure virtual machines and Azure Synapse Analytics. This combination of on-premises and cloud resources best describes which cloud deployment model?
medium- A.Public cloud
- B.Private cloud
- ✓ C.Hybrid cloud
- D.Community cloud
Why C: The hospital uses a combination of on-premises physical servers (for patient records due to data residency regulations) and Azure cloud resources (VMs and Synapse Analytics for anonymized data analytics). This integration of on-premises and public cloud services is the defining characteristic of a hybrid cloud deployment model, as it allows workloads to span both environments while maintaining compliance.
Last reviewed: Jun 11, 2026
This AZ-900 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AZ-900 exam.
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