Cloud computing is the use of computer system resources, data storage, and computing power, without direct active management by the user. It enables software modernization through microservices, and are vital for an e-commerce software engine.Cloud services boosts Big Data and business intelligence computing operations, cloud computing viva questions differs from one another and it is impossible to retain each and every Following are some cloud computing viva questions

1. What is cloud computing?
It is an internet based new age computer technology. It is the next level technology that uses the clouds to provide the services whenever and wherever the user needs it.

2.What are the benefits of cloud computing?
This is one of the most common cloud computing viva questions asked.The advantages of cloud computing are:
.Powerful server capabilities.
Increasing productivity.
time saving and cost effective
Software as Service is known as SaaS.
3.What is a cloud?
A cloud is a set of services, networks, hardware storage, and interfaces that helps in delivering computing as a service. It has three users :
End users
Business management users
cloud service provider
4.what is the platform as a service?
It is a layer in cloud architecture. It is responsible to provide virtualization of the infrastructure layer and makes it look like a single server which is invisible for outside world.

5. What is on-demand functionality? How is it provided in cloud computing?
Cloud computing provides on-demand access to the virtualized IT resources. It can be used by the subscriber. It uses a shared group to provide configurable resources. Shared group contains networks, servers, storage, applications and services.

6 . What are the platforms used for large scale cloud computing?
This is also one of the most frequently asked cloud computing viva questions Apache Hadoop and MapReduce are the platforms often used for large scale cloud computing.

7. What is the difference between cloud computing and mobile computing?
Mobile computing and cloud computing are somehow the same in concept. Mobile computing also uses the concept of cloud computing . whereas, Cloud computing provides users the data which they require but in mobile computing, applications run on the remote server and provides the user the access for storage .

8. What are the security benefits of cloud computing?
Cloud computing authorizes the application service, so it is used in identity management.
It provides access to the users so that they can control the access of another user who is entering into the cloud environment.

These are some of the most important cloud computing viva questions
and it will help you a lot in your VIVA.