A company has a legacy on-premises application that processes sensitive financial data. Due to regulatory requirements, certain data cannot leave the company's on-premises data center. However, the company wants to take advantage of the cloud's scalability for the application's compute-intensive batch processing jobs. The batch jobs need to access the sensitive data but must process it without the data ever being stored in the cloud. The batch jobs will be orchestrated from the cloud. Which cloud deployment model best describes this architecture?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
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Public cloud
A public cloud model would run all workloads (including data storage) in the cloud. This would violate the regulatory requirement that sensitive data cannot leave the on-premises data center, so this is incorrect.
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Private cloud
A private cloud is dedicated to a single organization but may be hosted on-premises or by a third party. This model would not easily provide the elastic scalability of a public cloud for batch processing without additional investment, and the scenario explicitly wants to leverage cloud scalability, making this option less suitable.
Best answer
Hybrid cloud
A hybrid cloud combines on-premises infrastructure (private cloud) with public cloud services. This allows the company to keep sensitive data on-premises while using public cloud resources for compute-intensive batch jobs, meeting both the scalability and regulatory requirements.
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Multi-cloud
Multi-cloud refers to using multiple public cloud providers (e.g., AWS and Azure) for different workloads. It does not necessarily involve an on-premises component, and the scenario specifically requires an on-premises data center to hold the sensitive data, so this is incorrect.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A developer is building a serverless application that requires integration with an on-premises SQL Server database for real-time data processing. The on-premises network is connected to Azure via a site-to-site VPN. Which Azure service would allow the function to securely access the on-premises database without exposing it to the public internet?
Question 2
A solutions architect is designing a storage solution for a large media company. The company needs to store video files that are accessed infrequently but must be retained for several years for compliance. Which two Azure storage options meet these requirements? (Select two.)
Question 3
A company deploys a multi-tier application using Azure virtual machines. The web tier VMs must be evenly distributed across two distinct data centers within an Azure region to avoid a single point of failure from an infrastructure outage. Which Azure construct should they use to meet this requirement?
Question 4
A company wants to enforce a set of security policies across all their Azure subscriptions. They have created several individual policy definitions. Which Azure construct should they use to group these policies together and assign them as a single package?
Question 5
A company deploys a line-of-business application on an Azure virtual machine. The IT team wants to ensure the application remains secure. According to the shared responsibility model, which of the following security tasks is the sole responsibility of the customer (the company)?
Question 6
A company develops a web API that runs on Azure App Service. The development team wants to deploy a new version of the API to a staging environment, run integration tests against it, and then gradually shift production traffic to the new version. If any issues are detected, they want to immediately roll back to the previous version without redeploying. Which Azure App Service feature should the team use to meet these requirements?
FAQ
Questions learners often ask
What does this AZ-900 question test?
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 combines on-premises infrastructure (where sensitive data resides) with public cloud resources (for compute scalability) while keeping data on-premises. This is the definition of a hybrid cloud model. In a hybrid cloud, organizations connect their on-premises environment to a public cloud, allowing workloads to run across both while maintaining data locality where required. A multi-cloud model involves using multiple public cloud providers, not an on-premises environment. A pure public cloud would store data in the cloud, violating the regulatory requirement. A pure private cloud would not provide the external scalability the company seeks.
What should I do if I get this AZ-900 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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