MCQ

Cloud Computing MCQ Questions and Answers – Part 1

Practice MCQ questions with answers to test your knowledge about Cloud Computing i.e. technologies, architecture, infrastructure, virtualization, data storage, etc. Test your knowledge and work on the questions you get wrong mostly.
 

1. ______ describes a cloud service accessible only to a limited number of people.

A Data Center

B Public cloud

C Private cloud

D Virtualisation

C
A private cloud provides cloud computing services to authorized users via the Internet or an internal network. Since it can only be used by a clearly defined group of users, the private cloud is also called an enterprise cloud or internal cloud.

 

 
 

2. Which cloud computing feature allows the service to change in size or volume to meet user needs?

A Security

B Scalability

C Cost savings

D Virtualisation

B
Scalability in cloud computing allows you to quickly and easily scale up or down the size or power of an IT solution.

Scalability is the ability of a process, network, software or application to grow and handle increasing demands. It is one of the most valuable and prevalent features of cloud computing. With Scalability, you can increase your data storage capacity or decrease it to meet customer demands.

Scalability allows you to handle larger workloads without disruption or complete transformation of the existing infrastructure.

 

3. When you add a software stack, such as an operating system and applications, it is called the _____ model.

A SaaS

B PaaS

C IaaS

D None of the above

A
Software as a service (SaaS) is a software distribution model in which a third-party provider hosts applications and makes them available to customers via the Internet. SaaS is one of the three main categories of cloud computing.

 

 

4. Which of the following is the most sophisticated and restrictive service model?

A SaaS

B PaaS

C IaaS

D None of the above

B
When the service requires the customer to use a full hardware/software/application stack, it uses the most sophisticated and restrictive service model.
 

5. All cloud computing applications suffer from _______ to their WAN connectivity.

A propagation

B latency

C noise

D All the answers are true
 

 
B
While cloud computing applications are excellent for large-scale processing tasks, if your application requires large amounts of data transfer, cloud computing may not be the best model for you.
 

6. __________ describes a distribution model in which applications are hosted by a service provider and made available to users.

A IAAS – Infrastructure-as-a-Service

B PaaS – Platform-as-a-Service

C SaaS – Software-as-a-Service

D All the answers are true

C
Software as a service (SaaS) is a software distribution model in which a third-party provider hosts applications and makes them available to customers via the Internet. SaaS is one of the three main categories of cloud computing.
 

7. Cloud computing is a system _______ and it is unidirectional.

A stateless

B stateful

C fiable

D None of the above

A
Cloud computing is a stateless system, just like the Internet.
 

8. Originally, the __________ model did not require a cloud to use virtualization to pool resources.

A NEFT

B NIST

C NIT

D All the answers are true

B
NIST means “National Institute of Standards and Technology”.
 

9. Which of the following is related to the service provided by the Cloud?

A Sourcing

B Reliability

C AaaS

D None of the above
 

 
A
Sourcing or outsourcing means that the service is provided by the customer or by the service provider.
 

10. _______ is a complete operating environment with a user interface and applications.

A IaaS

B SaaS

C PaaS

D All the answers are true

B
In the SaaS model, the application is delivered to the client via a thin client interface.
 
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