AZ-900 Public, Private & Hybrid Cloud
Practice Test 2026–2027 | Azure
Deployment Models, Cloud Benefits &
Detailed Answers
1. Which cloud model provides cloud resources through a provider’s shared
infrastructure and makes those resources available to multiple customers?
A. Private cloud
B. Hybrid cloud
C. Public cloud
D. Community cloud
Answer: Public cloud
Rationale: A public cloud uses infrastructure operated by a cloud provider and
shared among multiple customers. Microsoft Azure is a public cloud platform,
although organizations can also use Azure services in hybrid architectures.
2. An organization wants complete control over the physical servers, networking
equipment, and data center where its applications run. Which cloud model is
most appropriate?
A. Public cloud
B. Private cloud
,C. Hybrid cloud
D. Multicloud
Answer: Private cloud
Rationale: A private cloud is dedicated to a single organization. It can provide
greater control over infrastructure, security configuration, and physical
resources, although it generally requires more management and investment.
3. A company keeps its sensitive database systems in its own data center but
runs its customer-facing application in Azure. Which cloud approach is this?
A. Public cloud
B. Private cloud
C. Hybrid cloud
D. Community cloud
Answer: Hybrid cloud
Rationale: Hybrid cloud combines private infrastructure with public cloud
services. The organization can retain selected workloads on-premises while
using Azure for other workloads.
4. Which characteristic is most closely associated with a public cloud?
A. Infrastructure is exclusively owned and operated by one customer
B. Resources must be located in the customer's building
C. Resources are provided by a cloud provider over a network
D. Hardware cannot be shared between customers
Answer: Resources are provided by a cloud provider over a network
Rationale: Public cloud providers deliver computing, storage, networking, and
other services through their infrastructure, typically accessed over the internet
or private network connections.
5. Which statement best describes a private cloud?
,A. It must be hosted by Microsoft
B. It can only be accessed from the public internet
C. It is dedicated to a single organization
D. It always costs less than public cloud
Answer: It is dedicated to a single organization
Rationale: Private cloud infrastructure is dedicated to one organization. It may
be hosted on-premises or by a third party, depending on the organization's
architecture.
6. A company needs to maintain an on-premises application because of
regulatory requirements but wants to use Azure AI services for a new
application. Which model best describes this architecture?
A. Public cloud only
B. Private cloud only
C. Hybrid cloud
D. SaaS
Answer: Hybrid cloud
Rationale: Using on-premises infrastructure alongside Azure public cloud
services creates a hybrid architecture. This approach is often used when certain
workloads must remain on-premises while others benefit from cloud
capabilities.
7. Which cloud model generally provides the greatest ability to customize the
underlying physical infrastructure for a single organization?
A. Public cloud
B. Private cloud
C. Hybrid cloud
D. SaaS
Answer: Private cloud
, Rationale: Private cloud environments can provide extensive control over
infrastructure because resources are dedicated to one organization. Public cloud
environments abstract much of the underlying physical infrastructure from
customers.
8. A startup wants to avoid purchasing physical servers and instead pay a cloud
provider for computing resources as needed. Which model is most appropriate?
A. Private cloud
B. Public cloud
C. Traditional on-premises computing
D. Colocation
Answer: Public cloud
Rationale: Public cloud allows organizations to consume provider-managed
infrastructure and services without purchasing and maintaining the underlying
physical hardware.
9. Which is a major advantage of public cloud computing?
A. The customer owns all physical hardware
B. Reduced need to purchase and maintain physical infrastructure
C. Every workload automatically becomes private
D. No network connectivity is required
Answer: Reduced need to purchase and maintain physical infrastructure
Rationale: Public cloud shifts much of the infrastructure procurement and
maintenance responsibility to the provider, allowing customers to consume
resources without owning the physical hardware.
10. Which scenario is most suitable for a hybrid cloud architecture?
A. An organization wants every workload exclusively in Azure
B. An organization wants no cloud services
C. An organization needs to integrate on-premises workloads with Azure
Practice Test 2026–2027 | Azure
Deployment Models, Cloud Benefits &
Detailed Answers
1. Which cloud model provides cloud resources through a provider’s shared
infrastructure and makes those resources available to multiple customers?
A. Private cloud
B. Hybrid cloud
C. Public cloud
D. Community cloud
Answer: Public cloud
Rationale: A public cloud uses infrastructure operated by a cloud provider and
shared among multiple customers. Microsoft Azure is a public cloud platform,
although organizations can also use Azure services in hybrid architectures.
2. An organization wants complete control over the physical servers, networking
equipment, and data center where its applications run. Which cloud model is
most appropriate?
A. Public cloud
B. Private cloud
,C. Hybrid cloud
D. Multicloud
Answer: Private cloud
Rationale: A private cloud is dedicated to a single organization. It can provide
greater control over infrastructure, security configuration, and physical
resources, although it generally requires more management and investment.
3. A company keeps its sensitive database systems in its own data center but
runs its customer-facing application in Azure. Which cloud approach is this?
A. Public cloud
B. Private cloud
C. Hybrid cloud
D. Community cloud
Answer: Hybrid cloud
Rationale: Hybrid cloud combines private infrastructure with public cloud
services. The organization can retain selected workloads on-premises while
using Azure for other workloads.
4. Which characteristic is most closely associated with a public cloud?
A. Infrastructure is exclusively owned and operated by one customer
B. Resources must be located in the customer's building
C. Resources are provided by a cloud provider over a network
D. Hardware cannot be shared between customers
Answer: Resources are provided by a cloud provider over a network
Rationale: Public cloud providers deliver computing, storage, networking, and
other services through their infrastructure, typically accessed over the internet
or private network connections.
5. Which statement best describes a private cloud?
,A. It must be hosted by Microsoft
B. It can only be accessed from the public internet
C. It is dedicated to a single organization
D. It always costs less than public cloud
Answer: It is dedicated to a single organization
Rationale: Private cloud infrastructure is dedicated to one organization. It may
be hosted on-premises or by a third party, depending on the organization's
architecture.
6. A company needs to maintain an on-premises application because of
regulatory requirements but wants to use Azure AI services for a new
application. Which model best describes this architecture?
A. Public cloud only
B. Private cloud only
C. Hybrid cloud
D. SaaS
Answer: Hybrid cloud
Rationale: Using on-premises infrastructure alongside Azure public cloud
services creates a hybrid architecture. This approach is often used when certain
workloads must remain on-premises while others benefit from cloud
capabilities.
7. Which cloud model generally provides the greatest ability to customize the
underlying physical infrastructure for a single organization?
A. Public cloud
B. Private cloud
C. Hybrid cloud
D. SaaS
Answer: Private cloud
, Rationale: Private cloud environments can provide extensive control over
infrastructure because resources are dedicated to one organization. Public cloud
environments abstract much of the underlying physical infrastructure from
customers.
8. A startup wants to avoid purchasing physical servers and instead pay a cloud
provider for computing resources as needed. Which model is most appropriate?
A. Private cloud
B. Public cloud
C. Traditional on-premises computing
D. Colocation
Answer: Public cloud
Rationale: Public cloud allows organizations to consume provider-managed
infrastructure and services without purchasing and maintaining the underlying
physical hardware.
9. Which is a major advantage of public cloud computing?
A. The customer owns all physical hardware
B. Reduced need to purchase and maintain physical infrastructure
C. Every workload automatically becomes private
D. No network connectivity is required
Answer: Reduced need to purchase and maintain physical infrastructure
Rationale: Public cloud shifts much of the infrastructure procurement and
maintenance responsibility to the provider, allowing customers to consume
resources without owning the physical hardware.
10. Which scenario is most suitable for a hybrid cloud architecture?
A. An organization wants every workload exclusively in Azure
B. An organization wants no cloud services
C. An organization needs to integrate on-premises workloads with Azure
