Cloud Computing Interview Questions

Cloud Computing Interview Questions

  • What are the advantages of using cloud computing?

The advantages of using cloud computing are

Data backup and storage of data
Powerful server capabilities
SaaS ( Software as a service)
Information technology sandboxing capabilities
Increase in productivity
Cost effective & Time saving

  • Mention platforms which are used for large scale cloud computing?

The platforms that are used for large scale cloud computing are

Apache Hadoop
MapReduce

Cloud Computing Interview Questions

  • Explain different models for deployment in cloud computing?

The different deployment models in cloud computing are

Private Cloud
Public Cloud
Community Cloud
Hybrid Cloud

  • What is the difference in cloud computing and computing for mobiles?

Mobile computing uses the same concept as cloud computing. Cloud computing becomes active with the data with the help of internet rather than individual device. It provides users with the data which they have to retrieve on demand. In mobile, the applications runs on the remote server and gives user the access for storage and manage.

Cloud Computing Interview Questions

  • How user can gain from utility computing?

Utility computing allows the user to pay only for what they are using. It is a plug-in managed by an organization which decides what type of services has to be deployed from the cloud.
Most organizations prefer hybrid strategy.

  • For a transport in cloud how you can secure your data?

To secure your data while transporting them from one place to another, check that there is no leak with the encryption key implemented with the data you are sending.

Cloud Computing Interview Questions

  • What are the security aspects provided with cloud?

Identity management: It authorizes the application services
Access control: permission has to be provided to the users so that they can control the access of another user who is entering into the cloud environment.
Authentication and Authorization: Allows only the authorized and authenticated user only to access the data and applications.

  • List out different layers which define cloud architecture?

The different layers used by cloud architecture are:
CLC or Cloud Controller
Walrus
Cluster Controller
SC or Storage Controller
NC or Node Controller

Cloud Computing Interview Questions

  • What are system integrators in Cloud Computing?

In Cloud Computing, systems integrator provides the strategy of the complicated process used to design a cloud platform. Integrator allows to create more accurate hybrid and private cloud network, as integrators have all the knowledge about the data center creation.

  • What is “ EUCALYPTUS” stands for?

“ EUCALYPTUS” stands for Elastic Utility Computing Architecture For Linking Your Programs To Useful Systems”

Cloud Computing Interview Questions

  • What is the requirement of virtualization platform in implementing cloud?

The requirement of virtualization platform in implementing cloud is to
Manage the service level policies
Cloud Operating System
Virtualization platforms helps to keep the backend level and user level concepts different from each other

  • Before going for cloud computing platform what are the essential things to be
    taken in concern by users?

Compliance
Loss of data
Data storage
Business continuity
Uptime
Data integrity in cloud computing

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  • Mention some open source cloud computing platform databases?

The open source cloud computing platform databases are
MongoDB
CouchDB
LucidDB

  • What are the security laws which are implemented to secure data in a cloud ?

The security laws which are implemented to secure data in cloud are

Processing: Control the data that is being processed correctly and completely in an application
File: It manages and control the data being manipulated in any of the file
Output reconciliation: It controls the data which has to be reconciled from input to output
Input Validation: Control the input data
Security and Backup: It provides security and backup it also controls the security breaches logs

Cloud Computing Interview Questions

  • Mention the name of some large cloud providers and databases?

Google bigtable
Amazon simpleDB
Cloud based SQL

  • Explain the difference between cloud and traditional datacenters?

The cost of the traditional data center is higher due to heating and hardware/software issues
Cloud gets scaled when the demand increases. Majority of the expenses are spent on the maintenance of the data centers, while that is not the case with cloud computing

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  • Explain what are the different modes of software as a service (SaaS)?

Simple multi-tenancy : In this each user has independent resources and are different from other users, it is an efficient mode.
Fine grain multi-tenancy: In this type, the resources can be shared by many but the functionality remains the same.

  • What is the use of API’s in cloud services?

API’s ( Application Programming Interface) is very useful in cloud platforms

It eliminates the need to write the fully fledged programs
It provides the instructions to make communication between one or more applications
It allows easy creation of applications and link the cloud service
with other systems

Cloud Computing Interview Questions

  • What are the different data centers deployed for cloud computing?

Cloud computing consists of different datacenters like
Containerized Datacenters
Low Density Datacenters

  • In cloud computing what are the different layers?

The different layers of cloud computing are:
SaaS: Software as a Service (SaaS), it provides users access directly to the cloud application without installing anything on the system.
IaaS: Infrastructure as a service, it provides the infrastructure in terms of hardware like memory, processor speed etc.
PaaS: Platform as a service, it provides cloud application platform for the developers

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  • How important is the platform as a service?

a.Platform as a service or PAAS is an important layer in cloud computing. It provides application platform for providers. It is responsible for providing complete virtualization of the infrastructure layer and makes it work like a single server.

  • What is a cloud service?

Cloud service is used to build cloud applications using the server in a network through internet. It provides the facility of using the cloud application without installing it on the computer. It also reduces the maintenance and support of the application which are developed using cloud service.

Cloud Computing Interview Questions

  • List down the three basic clouds in cloud computing?

Professional cloud
Personal cloud
Performance cloud

  • As an infrastructure as a service what are the resources that are provided by it?

IAAS ( Infrastructure As A Service) provides virtual and physical resources that are used to build a cloud. It deals with the complexities of deploying and maintaining of the services provided by this layer. Here the infrastructure is the servers, storage and other hardware systems.

Cloud Computing Interview Questions

  • What are the business benefits involved in cloud architecture?

The benefits involved in cloud architecture is
Zero infrastructure investment
Just in time infrastructure
More efficient resource utilization

  • What are the characteristics of cloud architecture that separates it from
    traditional one?

a.The characteristics that makes cloud architecture above traditional architecture is
According to the demand cloud architecture provides the hardware requirement
Cloud architecture is capable of scaling the resource on demand
Cloud architecture is capable of managing and handling dynamic workloads without failure

Cloud Computing Interview Questions

  • Mention what is the difference between elasticity and scalability in cloud
    computing?

Scalability is a characteristics of cloud computing through which increasing workload can be handled by increasing in proportion the amount of resource capacity. Whereas, elasticity, is being one of the characteristics that highlights the concept of commissioning and decommissioning of a large amount of resource capacity.

  • Mention the services that are provided by Window Azure Operating System?

Window Azure provides three core services which are given as
Compute
Storage
Management

Cloud Computing Interview Questions

  • In cloud architecture what are the different components that are required?

Cloud Ingress
Processor Speed
Cloud storage services
Cloud provided services
Intra-cloud communications

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