A company uses an Azure SQL Database managed instance. The company's security team wants to know who is responsible for applying database software patches. According to the shared responsibility model, who is responsible?

The customer and provider share responsibility equally

The customer is responsible for applying database patches

The provider is responsible for applying database patches

The customer is responsible for the physical server that hosts the database

A startup is deploying a customer-facing web application on Azure. The team wants to minimize operational overhead for patching the operating system and managing the underlying infrastructure, while retaining full control over the application code and data. Which cloud service model should the team choose?

Infrastructure as a Service (IaaS)

A company runs a data-processing job that executes once a month and takes about two hours. The job is stateless and can tolerate delays. The company wants to minimize cost and avoid managing infrastructure. Which approach is most cost-effective?

Use Azure Functions with a timer trigger

Use Azure Batch with a pool that is deallocated after the job

Run a dedicated virtual machine 24/7

Purchase a reserved instance for a VM

Which statement best defines cloud computing?

Delivery of computing services over the internet with pay-as-you-go pricing

Storing data only on local hard drives and accessing it via a local network

Running applications exclusively on physical servers owned by the customer

Using a single mainframe computer to serve multiple users in one building

Microsoft Certified:Azure Fundamentals

Domain 1Objective 1

Describe Cloud Computing AZ-900 Practice Questions (Page 5)

Part of the Describe cloud concepts domain, which accounts for 25–30% of the AZ-900 exam. Microsoft does not publish an official question count, but from its 45-minute exam (~20–30 total, ~5–9 in this domain), expect 2–3 from this objective — we provide 43 practice questions to prepare you well beyond it. (estimate)

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Questions 21–25

21application · medium
A company uses an Azure SQL Database managed instance. The company's security team wants to know who is responsible for applying database software patches. According to the shared responsibility model, who is responsible?
Select an answer first
22application · medium
A startup is deploying a customer-facing web application on Azure. The team wants to minimize operational overhead for patching the operating system and managing the underlying infrastructure, while retaining full control over the application code and data. Which cloud service model should the team choose?
Select an answer first
23foundation · easy
A hospital must store patient records on its own servers due to strict regulatory requirements, but it also wants to use public cloud for analytics. Which cloud model is most appropriate?
Select an answer first
24application · medium
A company runs a data-processing job that executes once a month and takes about two hours. The job is stateless and can tolerate delays. The company wants to minimize cost and avoid managing infrastructure. Which approach is most cost-effective?
Select an answer first
25foundation · easy
Which statement best defines cloud computing?
Select an answer first

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