Answers
Q1. Which cloud characteristic allows computing resources to be
provisioned automatically by a customer without requiring direct
interaction with provider personnel?
A) On-demand self-service
B) Measured service
C) Resource pooling
D) Rapid elasticity
Correct Answer: A) On-demand self-service
Rationale: On-demand self-service allows customers to provision resources
such as processing, storage, and networking automatically as needed.
Q2. Which cloud characteristic allows provider resources to serve
multiple customers dynamically from a shared pool?
A) Broad network access
B) Resource pooling
C) Rapid elasticity
D) On-demand self-service
Correct Answer: B) Resource pooling
Rationale: Resource pooling enables multi-tenant use of shared
infrastructure while logically separating customer workloads.
Q3. Which cloud characteristic allows resources to expand or
contract quickly in response to workload demand?
A) Measured service
B) Broad network access
C) Rapid elasticity
D) Resource pooling
Correct Answer: C) Rapid elasticity
Rationale: Rapid elasticity allows cloud resources to scale up or down
quickly according to changing demand.
Q4. Which cloud characteristic supports usage-based billing by
tracking resource consumption?
,A) On-demand self-service
B) Resource pooling
C) Broad network access
D) Measured service
Correct Answer: D) Measured service
Rationale: Measured service tracks consumption such as storage,
bandwidth, or compute usage for monitoring and billing.
Q5. Which service model gives the customer the greatest control
over operating systems, applications, and virtual machines?
A) Infrastructure as a Service
B) Software as a Service
C) Platform as a Service
D) Function as a Service only
Correct Answer: A) Infrastructure as a Service
Rationale: IaaS provides virtualized infrastructure while the customer
generally retains responsibility for operating systems, applications, and
many configuration controls.
Q6. Under Platform as a Service, which component is normally
managed primarily by the cloud provider?
A) Customer application data
B) Underlying operating system and runtime platform
C) Customer user accounts
D) Application business logic
Correct Answer: B) Underlying operating system and runtime platform
Rationale: PaaS abstracts much of the infrastructure and operating-system
management so developers can focus more heavily on applications and data.
Q7. Which cloud model provides a complete application that
customers typically access through a browser or client interface?
A) IaaS
B) PaaS
C) SaaS
D) Private cloud
Correct Answer: C) SaaS
, Rationale: Software as a Service delivers provider-managed applications to
end users.
Q8. A company wants maximum control over its dedicated cloud
environment and does not want unrelated organizations sharing the
infrastructure. Which deployment model best fits?
A) Public cloud
B) Community cloud
C) Hybrid cloud
D) Private cloud
Correct Answer: D) Private cloud
Rationale: A private cloud is dedicated to a single organization and can
provide greater control over infrastructure and governance.
Q9. Which deployment model combines private-cloud resources with
public-cloud services?
A) Hybrid cloud
B) Community cloud
C) Public cloud
D) SaaS
Correct Answer: A) Hybrid cloud
Rationale: Hybrid cloud integrates two or more distinct cloud environments,
commonly private and public cloud resources.
Q10. Several hospitals jointly use a cloud environment designed
around shared regulatory and security requirements. Which
deployment model is this?
A) Hybrid cloud
B) Community cloud
C) Public cloud
D) Private cloud
Correct Answer: B) Community cloud
Rationale: Community clouds support organizations with shared missions,
security concerns, or compliance requirements.
Q11. Which deployment model generally provides services to many
unrelated customers over shared provider infrastructure?