Learn the basics of Cloud Computing with these 10 MCQs along with detailed answers and explanations. Perfect for beginners, students, and competitive exam preparation like UPSC, CGPSC, SSC, and IT exams. Cloud computing mcqs
10 Basic Cloud Computing MCQs
In competitive exams like UPSC, CGPSC, SSC, Banking, and IT-related tests, questions on cloud computing are frequently asked. The following basic MCQs will help you build a strong foundation and clear understanding of the subject.
Q 1. Cloud computing is mainly based on which technology?
a) Virtualization
b) Data Mining
c) Artificial Intelligence
d) Robotics
A. a) Virtualization
Explanation: Virtualization allows multiple virtual servers to run on a single physical machine, making resource sharing possible. It is the backbone of cloud computing.
Q. 2. Which of the following is an example of SaaS (Software as a Service)?
a) Dropbox
b) Microsoft Azure
c) Amazon EC2
d) VMware
A. a) Dropbox
Explanation: SaaS provides software applications over the internet. Dropbox, Gmail, and Google Docs are examples.
Q 3. In cloud computing, which service model provides virtual machines?
a) SaaS
b) PaaS
c) IaaS
d) DaaS
A. c) IaaS
Explanation: Infrastructure as a Service (IaaS) provides hardware resources like servers, storage, and virtual machines. Example: Amazon EC2.
Q 4. Which cloud deployment model is accessible to the general public?
a) Public Cloud
b) Private Cloud
c) Hybrid Cloud
d) Community Cloud
A. a) Public Cloud
Explanation: Public cloud services are available to anyone on the internet (like AWS, Google Cloud, Azure).
Q 5. Which of the following is NOT a characteristic of cloud computing?
a) On-demand self-service
b) Resource pooling
c) Elasticity
d) Fixed resource allocation
A. d) Fixed resource allocation
Explanation: Cloud computing offers scalability (elasticity), not fixed resources.
Q 6. What does “elasticity” in cloud computing mean?
a) Data is always encrypted
b) Ability to scale resources up and down automatically
c) Cloud cannot be hacked
d) Limited scalability
A. b) Ability to scale resources up and down automatically
Explanation: Elasticity allows businesses to adjust computing power depending on demand.
Q 7. Which of the following is a benefit of cloud computing?
a) Requires heavy local infrastructure
b) High upfront costs
c) Pay-as-you-go pricing model
d) No internet connection required
A. c) Pay-as-you-go pricing model
Explanation: Cloud users pay only for the resources they use, making it cost-effective.
Q 8. Which type of cloud model combines both public and private clouds?
a) Community Cloud
b) Hybrid Cloud
c) Private Cloud
d) Shared Cloud
A. b) Hybrid Cloud
Explanation: Hybrid cloud integrates public and private clouds, giving flexibility and security.
Q 9. Which of these companies is a major cloud service provider?
a) Amazon Web Services (AWS)
b) Google Cloud Platform (GCP)
c) Microsoft Azure
d) All of the above
A. d) All of the above
Explanation: AWS, Azure, and GCP are the three biggest cloud providers globally.
Q 10. What is the main disadvantage of cloud computing?
a) Scalability
b) Dependency on internet connectivity
c) Cost savings
d) Flexibility
A. b) Dependency on internet connectivity
Explanation: Cloud services require stable internet. Without connectivity, accessing data/applications becomes difficult.