Top AWS Interview Questions

Top AWS Interview Questions


AWS (Amazon Web Services) is a comprehensive, evolving cloud computing platform provided by Amazon that includes a mixture of infrastructure as a service (IaaS), platform as a service (PaaS) and packaged software as a service (SaaS) offerings. AWS services can offer an organization tools such as compute power, database storage and content delivery services.



AWS INTERVIEW QUESTIONS
1. I have some private servers on premises, also I have distributed some of workload on the public cloud, What is this architecture called?

A) The architecture name is Hybrid Cloud.

2. What does the command do with respect to the Amazon EC2 security groups?
A) Creates a security group for use your account.

3. You have a distributed application that periodically processes large volumes of data across multiple Amazon EC2 Which of the following will meet your requirements?. The application are designed to recover gracefully from Amazon EC2 instance can be failures. You are required to accomplish the task in most cost effective way.Which of the following will meet your requirements?
A) Mostly used on Spot Instances.

4. If I want the instance to run on single tenant hardware, which value do have to set the instance’s tenancy attribute to?
A) Attribute is Dedicated.

5. When will you incur the costs with an Elastic IP address (EIP)?
A) When it is allocated and associated with an stopped instance.

6. Are the Reserved Instances can available for Multi-AZ Deployments?
A) Available for the all instance types.

7. You need to configure an Amazon S3 bucket to the serve static assets for your public-facing of web application. Which method will ensure that all objects an uploaded to the bucket are set to the public read?
A) Configure to the bucket policy to set all objects to public read.

8. A customer wants to the leverage Amazon Simple Storage Service (S3) and Amazon Glacier as a part of their backup and archive infrastructure. The customer plans to the use third-party software to support this integration. Which approach will limit the access of the third party software only to the Amazon S3 an bucket named “company-backup”?
A) A custom IAM user policy is limited to the Amazon S3 API is in “company-backup”.

9. A customer is implemented AWS Storage Gateway with a gateway-cached volume at the main office. An event takes an link between the main and the branch office offline. Which methods will take enable the branch office to the access their data?
A) Launch an new AWS Storage Gateway is instance AMI in Amazon EC2, and the restore from a gateway snapshot.

10. When you need to moving the data over a long distances using the internet, for the instance across countries or continents to the Amazon S3 bucket, which is method or service will you use?
A) Used to Amazon Transfer Acceleration.

11. If you want to the launch Amazon Elastic Compute Cloud (EC2) instances and assign to each instance an predetermined private IP address you should?
A) Launch the instances an Amazon Virtual Private Cloud (VPC).

12. Why do make the subnets?
A) To efficiently utilize to networks that have a large no of hosts.

13. When do subnet is true working?
A) You can attach the multiple subnets to route table.

14. In Cloud Front to take what happens when the content is NOT present an Edge location and the request is an made to it?
A) Cloud Front is delivers to the content is directly from the origin server and the stores it in the cache of the edge location.

15. If launch an standby RDS instance, they will it be in the same Availability Zone as my primary?
A) No result for RDS instance zone.

16. When do I prefer to Provisioned IOPS over the Standard RDS storage?
A) If you have do batch-oriented is workloads.

17. If I am running on my DB Instance a Multi-AZ deployments, can I use to the stand by the DB Instance for read or write a operation along with to primary DB instance?
A) Primary db instance does not working.

18. Which the AWS services will you use to the collect and the process e-commerce data for the near by real-time analysis?
A) Good of Amazon DynamoDB.

19. A company is deploying the new two-tier an web application in AWS. The company has to limited on staff and the requires high availability, and the application requires to complex queries and table joins. Which configuration provides to the solution for company’s requirements?
A) An web application provide on Amazon DynamoDB solution.

20. Which the statement use to cases are suitable for Amazon DynamoDB?
A) The storing metadata for the Amazon S3 objects& The Running of relational joins and complex an updates.

21. Your application has to the retrieve on data from your user’s mobile take every 5 minutes and then data is stored in the DynamoDB, later every day at the particular time the data is an extracted into S3 on a per user basis and then your application is later on used to visualize the data to user. You are the asked to the optimize the architecture of the backend system can to lower cost, what would you recommend do?
A) Introduce Amazon Elasticache to the cache reads from the Amazon DynamoDB table and to reduce the provisioned read throughput.

22. You are running to website on EC2 instances can deployed across multiple Availability Zones with an Multi-AZ RDS MySQL Extra Large DB Instance etc. Then site performs a high number of the small reads and the write per second and the relies on the eventual consistency model. After the comprehensive tests you discover to that there is read contention on RDS MySQL. Which is the best approaches to the meet these requirements?
A) The Deploy Elasti Cache in-memory cache is running in each availability zone and Then Increase the RDS MySQL Instance size and the Implement provisioned IOPS.

23. An startup is running to a pilot deployment of around 100 sensors to the measure street noise and The air quality is urban areas for the 3 months. It was noted that every month to around the 4GB of sensor data are generated. The company uses to a load balanced take auto scaled layer of the EC2 instances and a RDS database with a 500 GB standard storage. The pilot was success and now they want to the deploy take atleast 100K sensors.let which to need the supported by backend. You need to the stored data for at least 2 years to an analyze it. Which setup of following would you be prefer?
A) The Replace the RDS instance with an 6 node Redshift cluster with take 96TB of storage.

24. Let to Suppose you have an application where do you have to render images and also do some of general computing. which service will be best fit your need?
A) Used on Application Load Balancer.

25. How will change the instance give type for the instances, which are the running in your applications tier and Then using Auto Scaling. Where will you change it from areas?
A) Changed to Auto Scaling launch configuration areas.

26. You have an content management system running on the Amazon EC2 instance that is the approaching 100% CPU of utilization. Which option will be reduce load on the Amazon EC2 instance?
A) Let Create a load balancer, and Give register the Amazon EC2 instance with it.

27. What does the Connection of draining do?
A) The re-routes traffic from the instances which are to be updated (or) failed an health to check.

28. When the instance is an unhealthy, it is do terminated and replaced with an new ones, which of the services does that?
A) The survice make a fault tolerance.

29. What are the life cycle to hooks used for the AutoScaling?
A) They are used to the put an additional taken wait time to the scale in or scale out events.

30. An user has to setup an Auto Scaling group. Due to some issue the group has to failed for launch a single instance for the more than 24 hours. What will be happen to the Auto Scaling in the condition?
A) The auto Scaling will be suspend to the scaling process.