Top 10 Interview questions on cloud computing

1. What is a cloud ?

Ans: Cloud refers to a separate IT environment that is created for remotely provisioning measured and scalable IT resources.

2. What are the two components of the cloud ?

Ans:

a. Frontend components
b. Backend components

3. What are the different component of the frontend ?

Ans: Devices through which the end users interact.Smartphones and tablets constitute mobile clients, while computers without an internal hard drive is a thin client and thick clients are your
typical computers.

4. What are the different components of backend ?

Ans:

a. Datacenter: server or a collection of servers.
b. Distributed Servers: Servers spread across multiple locations.

5. What are the core attributes of cloud computing services ?

Ans:

1. Elasticity
2. On-demand
3. Provider-pooled computing resources
4. metered service usage
5. Broad network access

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6. What are the advantages of cloud ?

Ans:

a. 24*7 availability and accessibility
b. scalability
c. security
d. enhanced collaboration
e. cost effective

7. What is the role of the cloud datacenters ?

Ans: Cloud datacenters are used for providing scalable and reliable cost-effective infrastructure.

8. What are the four factors through which cloud computing enabled ?


Ans:

a. Cloud datacenters
b. Virtualization
c. Cloud APIs
d. Cloud storage

9. What is virtulization ?

Ans: The process of creating a virtual environment in a resource , to enable execution of services without interfering with other activities done by the resource.

10. What are the features of the virtualization ?

Ans:

a. Partitioning : We can partition a resource to support many applications and hardware.
b. Isolation: Every virtual instance is isolated from one another as well as from the resource.
c. Encapsulation : You can encapsulate a virtual instance as a single entity to easily identify the service it offers.



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