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Cloud Computing Interview Questions and Answers

As we all know Cloud Computing is a popular technology and it is not restricted to IT organizations. Currently, every sector is using Cloud Computing. So, when you are looking for a job related to Cloud Computing Domain you can look at these questions and answers which are most preferably asked in an interview.

Ques 1. Is cloud storage immune to ransomware?

Ans. The answer to this question is No. Because Cloud Storage is not completely immune to ransomware. But there are multiple techniques available which can be applied in cloud storage for securing the data and providing data recovery.

Ques 2. Explain security level in the Cloud?

Ans. The security level in Cloud are as follows:

a. Identity Management

It will permit and enable the application service or the hardware component to get used by the authorized sets of users.

b. Access Controls

It will check the permission that must be provided to the users so that they can control the access of other users coming into the cloud environment.

c. Authorization and Authentication

It will provide the provision for enabling the authorized and authenticated users only by accessing or updating the data and applications.

Ques 3. What is Edge computing?

Ans. Edge processing magnifies the Internet gadgets and web applications by registering nearer to the wellspring of the information. This limits the requirement for significant distance correspondences among customer and server, which diminishes dormancy and transmission capacity use.

Ques 4. What is the difference between cloud computing and computing for mobiles?

Ans. Cloud data center does not claim experts to operate it, but it requires consummate people to see the conservation, maintain the workloads and to keep the track of the business. The labor cost is 6 of the total cost to operate the darkness data center. Power distribution and cooling of the datacenter bring 20% of the total cost. Computing cost is at the end and is the top as it’s where lots of coffers and installation has to be done. It costs the maximum left chance.

Ques 5. What Does A Vpn Consist Of?

Ans. VPN is known as virtual private network and it consists of two important effects

Firewall: It acts as a barricade between the public network and any private network. It filters the communications that are getting commuted between the networks. It also protects from any catty conditioning being done on the network.

Encryption: It is used to fence the sensitive data from professional hackers and other spammers who normally remain active to get the data. Encryption plays a crucial role in protecting the data in a cloud environment.

Ques 6. What are the critical requirements of Virtualization Platforms for Implementing in the Cloud?

Ans. Virtualization is the base of Cloud Technology. Several platforms, such as VMware, are prevalent in offering the technology for building a private cloud environment and offering the path for Cloud. Three key features must be checked for building a Private Cloud. They are as follows:

  • Cloud Operating System
  • Managing the Server Level Policies
  • Virtualization

Ques 7. What is the role of Utility Computing?

Ans. In Utility Computing, the users have to only pay for the resources they use. It is a plug-in that is used by organizations to decide the types of services to deploy from the Cloud. It also offers user access for implementing the services according to the requirements.

Ques 8. What are the reasons that make AWS so big?

Ans. In AWS, the backup storage of EBS volumes is maintained and managed by inserting the snapshot facility with the help of an API call or we can call a GUI interface such as Elasticfox.

Performance is enhanced with the help of Linux software RAID and striping across four volumes.

Ques 9. Explain the difference between cloud and traditional data centers.

Ans. The traditional data center is high-ticket due to heating and paraphernalia/ software issues. Generally, the expenditure is on the keep of the data centers.

Cloud is measured up when there’s an increase in demand, hence corresponding expenditure issues aren’t faced in Cloud Computing.

Ques 10. Can you name the Virtualization types in Cloud Computing?

Ans. The types of Virtualization in Cloud Computing are mentioned below. They are as follows:

  • Memory Virtualization
  • Storage Virtualization
  • Data Virtualization
  • Hardware Virtualization
  • Software Virtualization
  • Network Virtualization
  • Desktop Virtualization

Ques 11. Define the VPN term and what is its role?

Ans. VPN stands for Virtual Private Network. It acts as a connection method for offering security and privacy for public and private networks such as Wi-Fi Hotspots and the Internet. It also helps in establishing a secure dial-up connection on a remote server.

Ques 12. What is data encapsulation?

Ans. Data Encapsulation is utilized to perform a restriction operations set. Here it will divide the information into smaller and manageable sections before the transmission over the network. It is also called data hiding which keeps the class implementation details hidden from the users.

Ques 13. Name the major components of Cloud Architecture?

Ans. The major components of Cloud Architecture are as follows:

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

Ques 14. Why are Hybrid Clouds so important?

Ans.

Shadow Bursting

  • Access capacity and technical software are available in the public shadow and not in the private shadow.
  • Samples Virtual Amazon and Dynamo
  • Using the trim of both worlds, there are crossbred shadows.

vCloud

  • It’s a VMware shadow.
  • It’s pricey.
  • It gives enterprise quality.

OpenStack

  • It has commodity waiters and magazines.
  • It’s less solid.
  • We can run web waiters on OpenStack.
  • The database is assembled on vCloud.

Ques 15. What is a Datacenter? Can you name some of the primary data centers in Cloud Computing?

Ans. The Data Center behaves like a house server and data storage. It includes

  • Own hardware
  • Space in which it is housed
  • Power systems and backup systems
  • Environmental controls
  • Other requirements for keeping servers running.

Ques 16. Mention what is Hypervisor in cloud computing and their types?

Ans. Hypervisor is a Virtual Machine Investigator which manages coffers for virtual machines. Basically, there are two types of hypervisors

Type 1: The guest Vm runs directly over the host outfit, e.g. Xen, VmWare ESXI.

Type 2: The guest Vm runs over tackle through a host Zilches, e.g. Kvm, rhabdomancer virtualbox.

Ques 17. What type of Service does Microsoft’s Windows Azure Operating System offer?

Ans. The services offered by Windows Azure Operating System are as follows:

  • Storage
  • Compute
  • Management
  • Networking
  • Analytics
  • Virtual Machine

Ques 18. Define the term CaaS?

Ans. The complete form of CaaS is Containers as a Service, a cloud-based service that offers access to software developers and IT Departments for uploading, organizing, running, Scaling, and managing the containers by using container-based Virtualization.

Ques 19. Explain the difference between Elasticity and Scalability in Cloud Computing?

Ans. In Cloud Computing, Scalability refers to how the increasing stress on workloads can be managed by increasing the resource capacity.

Alternatively, Elasticity focuses on highlighting the concept of allocating and deallocating a massive amount of resource capacity.

Ques 20. What is the use of a Buffer in AWS?

Ans. Buffer is used in AWS to build the system more detaily against extreme traffic. Apart from that, the components are equivalent because the buffers manage them and perform at the same speed for offering faster services.

Ques 21. What is hybrid and community cloud?

Ans. Hybrid cloud: Hybrid Cloud is a combination of multiple service providers (Public and Private Cloud). It is mainly used by the organizations when they require both private and public clouds.

Community Cloud: Community model is an expensive model and is only when multiple organizations are expecting to achieve common goals and requirements, as they are ready to share the benefits of the cloud service.

Ques 22. What is AWS?

Ans. The complete form of AWS is Amazon Web Services, and it is the most popular and widely used cloud platform. It is used by millions of users, startups, big enterprises, and leading government agencies. It helps in faster development, helps in becoming more agile and faster innovation.

AWS offers more than 300 Services for boosting productivity. Government Agencies, Educational Institutes, Private and non Private organizations use the AWS Services. It provides organization tools like power, database storage and content delivery services. AWS is the first organization to introduce a pay-as-you-go service model in Cloud Computing.

Ques 23. What is an AMI?

Ans. AMI stands for Amazon Machine Image. AMI is considered as a copy of your root file system. It will store the information for launching an instance.

You can implement AMI by specifying an AMI while launching an instance. You can launch multiple instances from a single AMI with the same configuration.

AMI consists of multiple snapshots of the EBS (Elastic Block Storage) volumes.

Ques 24. What is Microsoft Azure?

Ans. Microsoft Azure is a leading Cloud platform by Microsoft that offers cloud services for creating new solutions and managing the application over several clouds. It provides services such as content delivery networks (CDNs), Virtual Machines (VMs), and many more.

Microsoft Azure is one of the developing Cloud Platform offering more than 200 services. Microsoft Azure is well known for its security and privacy. Azure offers flexible purchasing models depending upon the requirement. Microsoft Azure is the only cloud vendor in the market that provides consistent Hybrid Cloud services. If the users are using Azure for Windows Server and the SQL Server they will be charged five times less as compared to AWS.

25. Explain the types of roles in Microsoft Azure?

Ans. The roles in Microsoft Azure are as follows:

A. Web Role

It deploys websites with the language that supports the customized IIS platform for running Web applications.

B. Worker Role

Worker Role is assigned for executing the process that runs in the background.

C. VM Role

It helps in scheduling the windows services and tasks.

Ques 26. Explain Azure Active Directory Service?

Ans. Azure Active Directory refers to a multi-tenant Cloud-based identity and directory management service. It is a mixture of core directory services, application access management, and identity safety.

Ques 27. What is the difference between RTO and RPO in Cloud Computing services?

Ans. The Recovery Time Objective also known as RTO is the maximum time a company has accepted to wait for recovery when a system fails in the cloud. This contract is between the cloud provider and the client.

A Recovery Point Object also RPO is the maximum amount of data loss that the organization can accept in its contract. The data loss is measured in time.

Ques 28. What do you understand by Cloud-Native Term?

Ans. Cloud-Native is the technique used for building and running the applications with the help of Cloud computing delivery model benefits. It includes concepts like DevOps, Continuous Delivery, Microservices, and Containers.

Ques 29. What are the security laws which are implemented to secure data in a cloud ?

Ans. The security laws which are enforced to secure data in shadow are

  • Processing Control- The data that’s being recovered fittingly and fully in an usage
  • Range- It manages and control the data being manipulated in any of the range
  • Yield war- It controls the data which has to be keyed from input to yield
  • Input Witness- Control the input data
  • Security and Permanent- It provides security and rush it also controls the security breaches logs

Ques 30. Define Amazon S3

Ans. Amazon S3 stands for Simple Storage Service, which is used for storing and retrieving all types of data at any moment and from any location by using the web. It works on a pay-as-you-go pricing or billing model.

Conclusion

We understand Cloud Computing is a vast topic. There are a thousand types of questions which you can expect from the interviewer. But, these are the top 30 questions and answers which you can expect in your interview when you are applying for a job in the field of Cloud Computing. So, Happy Learning.