Q.1. Define cloud computing?
Ans. Cloud computing refers to both the application delivered as services over the internet and the hardware and system software in the data centres that provide these services. The services themselves have long been referred to as software as a services(SaaS). So, we use that term. The data centre hardware and software is what we call a cloud.
Q.2. What is public cloud?
Ans. When a service provider makes resources available to general public over internet, this is called public cloud.
Q.3. What is private cloud?
Ans. It refers to internal data center of a business or other organization that are not made available to the public.
Q.4. What is the use of service provider?
Ans. Service provider enjoy greatly simplified software installation and maintenance and centralized control over versioning.
Q.5. What is the work of end users?
Ans. End user can access the service ” anytime, anywhere”, share data and collaborate more easily and keep their data stored safely in the infrastructure.
Q.6. Write the name of top ten obstacles and opportunities for adoption and growth of cloud computing?
Ans. Availability of service, Data transfer and Auditability, Data lock in, Data confidentiality and Auditability, Performances unpredictability, Scalable storage, Bugs in large scale distribution systems, Scaling quickly, Reputation fate sharing, Software licensing.
Q.7.What are the essential characteristics of cloud computing?
Ans. On-demand self services, Broad network access, Resource pooling, Rapid elasticity, Measured service.
Q.8. What are the advantages of “Software As A Service” (SaaS)?
Ans. The advantages of “Software As a Service” are as under-
1. Time-to-value: Saas based application performance management can be deployed in a small fraction of time i.e. the time until you read this article.
2. Cheap cost-Licenses, Maintenance, Administration, Hardware.
3. Its easy to use.
4. Its highly scalable.
Q.9. What are the advantages of cloud computing?
Ans. Cost efficient, almost unlimited storage, backup and recovery, automatic software integration, easy access to information, quick development.
Q.10. What are the disadvantages of cloud computing?
Ans. Technical issues, security in the cloud, prone to attack.
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