Most frequently asked AWS interview questions


AWS provides wide range of cloud-based services like computing power, storage, databases,  analytics, content delivery, machine learning and more. It is one of the most leading cloud providers globally and is widely used by the  businesses, startups, governments, and  also individuals for their purposes.

1.How to change the key pair for ec2 instance?

2.How to change the ec2 instance from one zone to another zone &one region to another region?

3.Explain SNS?

4.Is it possible to reset windows password using AWS?

5.How to perform Horizontal  and Vertical Auto Scaling?

6.How to  back up  your ec2 instance?

7.How to create Cloud Formation in templates for automatic instance  creation & termination?

8.How to restore the data from an Amazon RDS?

9.How to connect  Linux instance with user name & password?

10.How to enable MFA of IAM account?

11.How to create application load balancer for the  host based and path based routing?

12.How to enable the load balancer to auto scaling groups?

13.How to  push  and pull Docker images to ECR?

14.How to create the ECS services connect to application load balancer?

15.How to create the IAM rules and permission from console and command line?

16.Explain  enabling  cloud watch metrics, alerts and notifications?

17.How to enable cloud trail event for multi zones?

18.How to deploy the PHP based application with RDS and high availability in elastic beanstalk?

19.Describe how to run python based lambda function?

20.Explain  enabling VPN access on premises cloud?

21.How to enable web application for firewall and shield for your website?

22.Explain configuring cloud front and provide the edge points and edge servers for content distribution?

23.Describr how to migrate VM to AWS?

24.How to migrate database -> RDS?

25.How to run the code pipeline?

26.How to integrate the cloud formation template deploy from code pipeline / GitHub and Jenkins?

27.How to integrate the Jenkins with aws ec2 instance?

28.How to Enable lambda functions  for Load Balancers?

29.List types of ELB S in AWS?

30.Describe Auto Scaling policies?

31.What is pre-requisites for ec2 VPC peering?

32.Differences between NAT instance and NAT gateway?

33.Differences between  INTERNET gateway and NAT gate way ?

34.Explain route table?

35.What are the default route table contents?

36.Explain how to rotate keys automatically?Deploy code from code deploy to ECS container?

37.What is the Code Star?

38.Explain  X-ray?

39.What is Cloud 9?

40.What is the Glacier?

41.What is the Snowball?

42.What is the AWS Fargate?

43.What is the AWS Serve less Deployment?

44.How are the Spot Instance, On-demand Instance, and Reserved Instance different from each another?

45.Why do we make subnets?

46.Describe  internet gateway?

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