Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A startup company is developing a new mobile application. The development team needs to quickly create test environments to validate new features. They can provision virtual machines and databases in Azure within minutes, use them for a few hours, and then delete them when done. This ability to rapidly deploy and decommission resources directly supports which cloud computing benefit?
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.
A
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Scalability
Scalability is the ability to increase or decrease resources to meet demand, typically for handling growth. The scenario focuses on speed of provisioning and decommissioning, not on handling varying workloads or growth.
B
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Elasticity
Elasticity refers to automatic scaling of resources based on real-time demand. While the scenario involves scaling down when done, it emphasizes the speed of provisioning and decommissioning, which is more about agility than automatic scaling.
C
Best answer
Agility
Agility is the cloud benefit that enables quick and flexible deployment of resources. The team can spin up environments in minutes and tear them down just as fast, which directly supports rapid development and testing cycles.
D
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Measured service
Measured service means cloud providers meter and bill for usage. Although the team may pay only for the hours the resources are used, the primary benefit demonstrated in the scenario is the speed of provisioning and decommissioning, not the metering itself.
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.
Related practice questions
Related AZ-900 practice-question pages
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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: Agility — Agility in cloud computing refers to the ability to rapidly develop, test, and deploy applications. The scenario describes quickly provisioning and decommissioning test environments, which is a clear example of agility. Scalability is the ability to handle growing amounts of work by adding resources. Elasticity is the ability to automatically scale resources up or down based on demand. Measured service is the ability to meter and bill for usage.
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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