AZ-900 Azure Fundamentals 150-
Question Exam Review 2026–2027 |
Microsoft Azure Certification
Assessment & Study Prep
1. Cloud Concepts
A company wants to move an application from its local datacenter to Azure
without redesigning the application or changing its underlying operating system
configuration significantly. Which cloud service model is most appropriate?
A. SaaS
B. PaaS
C. IaaS
D. Serverless
Answer: C. IaaS
Rationale: IaaS provides virtualized compute, networking, and storage while
allowing the customer to maintain control over the operating system and
,applications. This makes it appropriate when an existing workload needs to be
migrated with minimal architectural changes.
2. Cloud Concepts
An organization wants Microsoft to manage the operating system, runtime, and
infrastructure while developers concentrate primarily on application code. Which
service model best fits this requirement?
A. IaaS
B. PaaS
C. SaaS
D. Private cloud
Answer: B. PaaS
Rationale: PaaS abstracts infrastructure and operating-system management
from developers. The customer typically focuses on application code and data
while the cloud provider manages much of the underlying platform.
3. Cloud Concepts
Which scenario is the strongest example of software as a service (SaaS)?
A. Deploying a Windows Server virtual machine
B. Creating an Azure App Service web application
C. Using Microsoft 365 through a web browser
D. Creating an Azure virtual network
Answer: C. Using Microsoft 365 through a web browser
Rationale: SaaS delivers a complete application managed by the provider.
Microsoft 365 is consumed as an application service rather than requiring the
customer to manage servers, operating systems, or application infrastructure.
,4. Cloud Concepts
A retailer experiences unpredictable demand and wants its application to
automatically use additional computing resources during major sales events and
release those resources afterward. Which cloud characteristic is most directly
demonstrated?
A. Fault tolerance
B. Elasticity
C. Governance
D. Sovereignty
Answer: B. Elasticity
Rationale: Elasticity is the ability to dynamically increase or decrease resources
as workload demand changes. This helps organizations avoid permanently
provisioning for peak capacity.
5. Cloud Concepts
A company operates its own datacenter but uses Azure resources for additional
capacity during seasonal demand. Which cloud model does this best represent?
A. Public cloud only
B. Private cloud only
C. Hybrid cloud
D. Community cloud
Answer: C. Hybrid cloud
Rationale: A hybrid cloud combines private infrastructure with public cloud
resources. The company can retain workloads on-premises while extending
capacity into Azure.
, 6. Cloud Concepts
Which statement best describes the consumption-based cloud model?
A. Customers purchase fixed hardware capacity permanently.
B. Customers pay according to resources or services consumed.
C. Customers must own the underlying datacenter.
D. Customers pay the same amount regardless of resource usage.
Answer: B. Customers pay according to resources or services consumed.
Rationale: Consumption-based pricing allows customers to pay for the resources
and services they use rather than purchasing and maintaining physical
infrastructure upfront.
7. Cloud Concepts
Which situation is most likely to benefit from a capital expenditure (CapEx)
model?
A. Paying monthly for Azure virtual machines
B. Paying only for storage consumed
C. Purchasing physical servers for a datacenter
D. Paying for a managed database service
Answer: C. Purchasing physical servers for a datacenter
Rationale: CapEx involves upfront investment in physical assets such as servers,
networking equipment, and datacenter infrastructure. Cloud services generally
shift more spending toward OpEx.
8. Cloud Concepts
Question Exam Review 2026–2027 |
Microsoft Azure Certification
Assessment & Study Prep
1. Cloud Concepts
A company wants to move an application from its local datacenter to Azure
without redesigning the application or changing its underlying operating system
configuration significantly. Which cloud service model is most appropriate?
A. SaaS
B. PaaS
C. IaaS
D. Serverless
Answer: C. IaaS
Rationale: IaaS provides virtualized compute, networking, and storage while
allowing the customer to maintain control over the operating system and
,applications. This makes it appropriate when an existing workload needs to be
migrated with minimal architectural changes.
2. Cloud Concepts
An organization wants Microsoft to manage the operating system, runtime, and
infrastructure while developers concentrate primarily on application code. Which
service model best fits this requirement?
A. IaaS
B. PaaS
C. SaaS
D. Private cloud
Answer: B. PaaS
Rationale: PaaS abstracts infrastructure and operating-system management
from developers. The customer typically focuses on application code and data
while the cloud provider manages much of the underlying platform.
3. Cloud Concepts
Which scenario is the strongest example of software as a service (SaaS)?
A. Deploying a Windows Server virtual machine
B. Creating an Azure App Service web application
C. Using Microsoft 365 through a web browser
D. Creating an Azure virtual network
Answer: C. Using Microsoft 365 through a web browser
Rationale: SaaS delivers a complete application managed by the provider.
Microsoft 365 is consumed as an application service rather than requiring the
customer to manage servers, operating systems, or application infrastructure.
,4. Cloud Concepts
A retailer experiences unpredictable demand and wants its application to
automatically use additional computing resources during major sales events and
release those resources afterward. Which cloud characteristic is most directly
demonstrated?
A. Fault tolerance
B. Elasticity
C. Governance
D. Sovereignty
Answer: B. Elasticity
Rationale: Elasticity is the ability to dynamically increase or decrease resources
as workload demand changes. This helps organizations avoid permanently
provisioning for peak capacity.
5. Cloud Concepts
A company operates its own datacenter but uses Azure resources for additional
capacity during seasonal demand. Which cloud model does this best represent?
A. Public cloud only
B. Private cloud only
C. Hybrid cloud
D. Community cloud
Answer: C. Hybrid cloud
Rationale: A hybrid cloud combines private infrastructure with public cloud
resources. The company can retain workloads on-premises while extending
capacity into Azure.
, 6. Cloud Concepts
Which statement best describes the consumption-based cloud model?
A. Customers purchase fixed hardware capacity permanently.
B. Customers pay according to resources or services consumed.
C. Customers must own the underlying datacenter.
D. Customers pay the same amount regardless of resource usage.
Answer: B. Customers pay according to resources or services consumed.
Rationale: Consumption-based pricing allows customers to pay for the resources
and services they use rather than purchasing and maintaining physical
infrastructure upfront.
7. Cloud Concepts
Which situation is most likely to benefit from a capital expenditure (CapEx)
model?
A. Paying monthly for Azure virtual machines
B. Paying only for storage consumed
C. Purchasing physical servers for a datacenter
D. Paying for a managed database service
Answer: C. Purchasing physical servers for a datacenter
Rationale: CapEx involves upfront investment in physical assets such as servers,
networking equipment, and datacenter infrastructure. Cloud services generally
shift more spending toward OpEx.
8. Cloud Concepts
