Amazon Web Services Interview Questions and Answers Set 2

11. Explain Can You Vertically Scale An Amazon Instance? How?

  • Surely, you can vertically estimate on Amazon instance.
  • Twist up a fresh massive instance than the one you are currently governing
  • Delay that instance and separate the source webs mass of server and dispatch
  • Next, quit your existing instance and separate its source quantity
  • Note the different machine ID and connect that source mass to your fresh server

12. What Are The Components Involved In Amazon Web Services?

There are 4 components involved and are as below. Amazon S3: with this, one can retrieve the key information which are occupied in creating cloud structural design and amount of produced information also can be stored in this component that is the consequence of the key specified. Amazon EC2 instance: helpful to run a large distributed system on the Hadoop cluster. Automatic parallelization and job scheduling can be achieved by this component.

Amazon SQS: this component acts as a mediator between different controllers. Also worn for cushioning requirements those are obtained by the manager of Amazon.

Amazon SimpleDB: helps in storing the transitional position log and the errands executed by the consumers.

13. What Is Lambda@edge In Aws?

  • In AWS, we can use Lambda@Edge utility to solve the problem of low network latency for end users.
  • In Lambda@Edge there is no need to provision or manage servers. We can just upload our Node.js code to AWS Lambda and create functions that will be triggered on CloudFront requests.
  • When a request for content is received by CloudFront edge location, the Lambda code is ready to execute.
  • This is a very good option for scaling up the operations in CloudFront without managing servers.

14. Distinguish Between Scalability And Flexibility?

The aptitude of any scheme to enhance the tasks on hand on its present hardware resources to grip inconsistency in command is known as scalability. The capability of a scheme to augment the tasks on hand on its present and supplementary hardware property is recognized as flexibility, hence enabling the industry to convene command devoid of putting in the infrastructure at all. AWS has several configuration management solutions for AWS scalability, flexibility, availability and management.

15. Name The Various Layers Of The Cloud Architecture?

There are 5 layers and are listed below

  • CC- Cluster Controller
  • SC- Storage Controller
  • CLC- Cloud Controller
  • Walrus
  • NC- Node Controller

16. Explain can you vertically scale an Amazon instance? How?

  • Surely, you can vertically estimate on Amazon instance. During that
  • Twist up a fresh massive instance than the one you are currently governing
  • Delay that instance and separate the source webs mass of server and dispatch
  • Next, quit your existing instance and separate its source quantity
  • Note the different machine ID and connect that source mass to your fresh server
  • Also, begin it repeatedly Study AWS Training Online From Real Time Experts

17. Explain what is T2 instances?

T2 instances are outlined to present average baseline execution and the ability to explode to powerful execution as needed by the workload.

18. In VPC with private and public subnets, database servers should ideally be launched into which subnet?

Among private and public subnets in VPC, database servers should ideally originate toward separate subnets.

19. Explain how the buffer is used in Amazon web services?

The buffer is utilized to deliver the system further robust to handle traffic or load by synchronizing different component. Usually, elements sustain and process the demands in an unreliable mode, With the aid of buffer, the elements will be (sap training) equivalent and will operate at the similar speed to accommodate high-speed services.

20.While connecting to your instance what are the possible connection issues one might face?

  • The feasible connection failures one might battle while correlating instances are
  • Consolidation timed out
  • User key not acknowledged by the server
  • Host key not detected, license denied
  • Unguarded private key file
  • Server rejected our key or No sustained authentication program available
  • Error handling Mind Term on Safari Browser
  • Error utilizing Mac OS X RDP Client