CCP IaaS, PaaS & SaaS Models 2

Question 1

A company needs to migrate its on-premises virtual machines to the cloud with minimal changes to its existing OS configurations. Which cloud service model is most appropriate?

Accepted Answer

IaaS

Answer

IaaS provides virtualized infrastructure including VMs, storage, and networking, allowing migration of existing OS configurations with minimal changes.

Question 2

Which of the following is a key disadvantage of the SaaS model for enterprise customers?

Accepted Answer

Limited customization options

Answer

SaaS applications offer limited customization because the vendor controls the entire software stack, which may not meet all enterprise-specific requirements.

Question 3

In the shared responsibility model for PaaS, who is responsible for securing the runtime environment?

Accepted Answer

The cloud provider

Answer

In PaaS, the cloud provider manages and secures the runtime environment, middleware, and OS, while the customer is responsible for the application and data.

Question 4

A startup wants to build a mobile app backend without managing servers or infrastructure. They want automatic scaling and pay only for code execution time. Which model fits best?

Accepted Answer

PaaS

Answer

PaaS (which includes serverless/FaaS offerings) allows developers to deploy code without managing underlying infrastructure while providing automatic scaling.

Question 5

Which cloud model is MOST analogous to renting a fully furnished apartment where the landlord handles all maintenance?

Accepted Answer

SaaS

Answer

SaaS is like a fully furnished apartment because the provider manages everything (infrastructure, platform, application) and the user simply uses the service.

(CCP) Certified Computing Professional Practice Test

(CCP) Certified Computing Professional Practice Test

CCP IaaS, PaaS & SaaS Models 2