Q1. Which cloud service model provides a platform for developers to build and deploy applications?
- A.IaaS
- B.PaaS✓ Correct
- C.SaaS
- D.DaaS
Explanation: PaaS (Platform as a Service) provides tools and environments for app development. Learn more.
CompTIA A+ Core 1 Practice Questions: Cloud Computing
8 free, exam-style CompTIA A+ Core 1 (220-1101) practice questions covering Cloud Computing. Each question shows the correct answer and a clear explanation. Ready for the real thing? Take the full timed quiz below.
Q2. Which of the following is a benefit of Infrastructure as Code (IaC)?
- A.Manual server provisioning
- B.Version-controlled infrastructure✓ Correct
- C.Higher error rates
- D.Slower deployments
Explanation: Infrastructure as Code (IaC) allows infrastructure to be defined, deployed, and managed through machine-readable configuration files. This approach enables version control, automation, repeatability, and consistency across environments, reducing manual errors and speeding up deployments. Learn more.
Q3. Which cloud service model provides software applications over the internet?
- A.IaaS
- B.PaaS
- C.SaaS✓ Correct
- D.DaaS
Explanation: SaaS (Software as a Service) delivers software applications over the internet. Learn more.
Q4. Which cloud service model provides a platform for developers to build applications?
- A.IaaS
- B.PaaS✓ Correct
- C.SaaS
- D.DaaS
Explanation: PaaS (Platform as a Service) delivers a framework for developers to build, test, and deploy applications without managing underlying hardware or infrastructure. Services like Azure App Service and Google App Engine allow rapid development with built-in scalability and maintenance. Learn more.
Q5. Which cloud computing model offers consumers access to software applications over the internet, typically on a subscription basis, without needing to install or manage the software locally?
- A.IaaS (Infrastructure as a Service)
- B.PaaS (Platform as a Service)
- C.SaaS (Software as a Service)✓ Correct
- D.DaaS (Desktop as a Service)
Explanation: SaaS (Software as a Service) provides ready-to-use software applications over the internet. Users access the software via a web browser or mobile app, and the provider manages the underlying infrastructure, platforms, and applications. Learn more.
Q6. Which cloud computing model offers consumers access to software applications over the internet, typically on a subscription basis, without needing to install or manage the software locally?
- A.IaaS (Infrastructure as a Service)
- B.PaaS (Platform as a Service)
- C.SaaS (Software as a Service)✓ Correct
- D.DaaS (Desktop as a Service)
Explanation: SaaS (Software as a Service) provides ready-to-use software applications over the internet. Users access the software via a web browser or mobile app, and the provider manages the underlying infrastructure, platforms, and applications. Learn more.
Q7. Which cloud characteristic means customers pay based on actual resource consumption?
- A.Measured service✓ Correct
- B.Multicast routing
- C.Local-only storage
- D.Manual patch cabling
Explanation: Measured service tracks resource usage so cloud customers can be billed according to consumption. Learn more.
Q8. Which cloud service model typically provides a runtime platform while the provider manages the underlying OS?
- A.PaaS✓ Correct
- B.IaaS
- C.On-premises
- D.Bare-metal colocation only
Explanation: Platform as a Service gives developers a managed runtime while abstracting much of the infrastructure and OS maintenance. Learn more.
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