AWS Interview Questions

  1. Define and explain the 3 basic types of cloud services and the AWSproducts that are built based on them.
  2. What is the relation between Availability Zone and Region?
  3. What is auto-scaling?
  4. How do you upgrade or downgrade a system with near zero downtime?
  5. Are there any other alternative tools to log into the Cloud environment other than CONSOLE?
  6. What services can be used to create a centralized logging solution?
  7. What are the native AWS Security logging capabilities?
  8. What is DDoS attack and what services can minimize DDoS attacks?
  9. What is geo targeting and how do you setup geo targeting in CloudFront?
  10. What are the steps involved in a CloudFormation solution?
  11. How do you setup a system to monitor website metrics in real-time in AWS?
  12. What are all the tools and techniques you can use in AWS to identify andcorrect if you are paying more than you should be?
  13. You are trying to provision a service in a particular region but you are not seeing the service in that region? Why? How to fix it?
  14. Name some AWS services which are not region specific
  15. What are the differences between NAT Gateways and NAT Instances?
  16. What is the difference between stopping and terminating an EC2 instance?
  17. What are the different types of EC2 instances based on their costs?
  18. How to setup SSH agent forwarding so that you do not have to copy the key every time you login?
  19. How do you configure CloudWatch to recover an EC2 instance?
  20. What are the common and different types for AMl designs?
  21. How can you recover/ login to an EC2 instance to which you lost the key?
  22. What are some key differences between AWS S3 and EBS?
  23. How do you allow access to a user to a certain bucket?
  24. How can you monitor S3 cross region replication to ensure consistency without actually checking the bucket?
  25. VPC is not resolving the server through DNS. What might be the issue and how can you fix it?
  26. How do you connect multiple sites to a VPC?
  27. Name and explain some security products and features available in VPC.
  28. How do you monitor Amazon VPC?
  29. Suppose you are a game designer and want to develop a game with singledigit millisecond latency, which of the following databases services wouldyou use?
  30. If you need to perform real-time monitoring of AWS services and get actionable insights, which service would you use?
  31. As a web developer, you are developing an app especially for the mobileplatform. Which of the following lets you add user sign-up, sign-in, andaccess control to your web and mobile apps quickly and easily?
  32. You are a Machine Learning engineer who is on the lookout for a solutionthat will discover sensitive information that your enterprise stores in AWsand then use NLP to classify that data and provide business relatedinsights. Which among the following services would you choose?
  33. You are the system administration in your company which is running most of its infrastructure on AWS. You are required to track your users and keep a look on how your users are being authenticated. You wish to create andmanage AWS users and use permissions to allow and deny their access toAWS resources. Which of the following services suits you best?
  34. If you want to allocate various private and public lP addresses in order tomake them communicate with the internet and other instances, you willuse this service. Which of the following is this service?
  35. This service provides you with cost-efficient and resizable capacity while automating time-consuming administration tasks
  36. Which of the following is a means for accessing human researchers orconsultants to help solve problems on a contractual or temporary basis?
  37. This service is used to make it easy to deploy, manage, and scalecontainerized applications using Kubernetes on AWS. Which of thefollowing is this Aws service?
  38. This service lets you run code without provisioning or managing serversSelect the correct service from the below options.
  39. How can you add an existing instance to a new Auto Scaling group?
  40. What are the factors you will consider while miarating to Amazon Web Services?
  41. What is RTO and RPO in AWS?
  42. If you would like to transfer huge amounts of data, which is the best option among Snowball, Snowball Edge and Snowmobile?
  43. How is AWS CloudFormation different from AWS Elastic Beanstalk?
  44. What are the elements of an AWS CloudFormation template?
  45. What happens when one of the resources in a stack cannot be created successfully?
  46. How can you automate EC2 backup using EBS?
  47. What is the difference between EBS and Instance Store?
  48. Can you take backup of EFS like EBS. lf yes, how ?
  49. How do you auto delete old snapshots?
  50. What are the different types of load balancers in AWS?
  51. What are the different uses of the various load balancers in AWS Elastic Load Balancing?
  52. How can you use AWS WAF in monitoring your AWS applications?
  53. What are the different AWS lAM categories you can control?
  54. What are the policies that you can set for your users’ passwords?
  55. What is the difference between an lAM role and an lAM user?
  56. What are managed policies in AWS IAM?
  57. Can you give an example of an lAM policy and a policy summary?
  58. How does AWS lAM help your business?
  59. What is the difference between Latency Based Routing and Geo DNS?
  60. What is the difference between a Domain and a Hosted Zone?
  61. How does Amazon Route 53 provide high availability and low latency?
  62. How does AWS Config work along with AWS CloudTrail?
  63. Can AWS Config aggregate data across different AWS accounts?
  64. How are reserved instances different from on-demand DB instances?
  65. Which type of scaling would you recommend for RDS and why?
  66. What is a maintenance window in Amazon RDS? Will your DB instance be available during maintenance events?
  67. What are the consistency models in DynamoDB?
  68. What kind of query functionality does DynamoDB support?
  69. As an AWS Developer, using this pay-per-use service, you can send, store andreceive messages between software components. Which of the following is beingreferred to here?
  70. If you would like to host a real-time audio and video conferencing application onAWS, this service provides you with a secure and easy-to-use application. What isthis services?
  71. As your company's AWS Solutions Architect, you are in-charge of designingthousands of individual jobs which are similar. Which of the following service bestserves your requirement?
  72. You are a machine learning engineer and you are looking for a service that helpsyou build and train machine learning models in AWS. Which among the following arewe referring to?
  73. Imagine that you are working for your company's IT team. You are designated toadiust the capacity of AWS resources based on the incoming application andnetwork traffic. How would you do it?
  74. This cross-platform video game development engine that supports PC, XBox,Playstation, iOS and Android platforms allows developers to build and host theirgames on Amazon's servers.
  75. You are the Project Manager of your company's Cloud Architects team. You arerequired to visualize, understand and manage your AWS costs and usage over time.Which of the following services will be the best fit for this?
  76. You are the chief Cloud Architect at your company. How can you automatically monitor and adjust computer resources to ensure maximum performance andefficiency of all scalable resources?
  77. As a database administrator. you will use a service that is used to setup and managedatabases such as MySQL, MariaDB and PostgreSQL. Which service are wereferring to?
  78. A part of your marketing work requires you to push messages onto Google,Facebook, Windows and Apple through APls or AWS Management Console, you willuse the following service.

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