AWS INTERVIEW QUESTIONS
- What are the AWS Services you have used in Project
 - Basic Questions on Cloud Computing, IAAS, PAAS, SAAS
 - Basic Ec2 Instance, Keypair, Available zones, Regions, Security Group , Tags, Instance types Related Questions
 - How to Increase the EBS Volume Size in EC2? How to Attach new Volume to Instance?
 - What are the different types of Instance Types we have and which one you have used in your project
 - What are Regions, Available Zones, Wavelength Zones, local Zones, Outposts in AWS Global Infrastructure
 - What is Well Architecture Framework and How it helps organizations?
 - How to change key pair for ec2 instance if we lost the keypair?
 - How to change ec2 instance from one zone to another zone & one region to another region?
 - Is it possible to reset windows password in AWS?
 - What is Autoscaling? How to perform Vertical and Horizontal  Auto Scaling?
 - How to take back up of your ec2 instance? How to Restore an Instance if any Disaster Happens?
 - How to create Cloud Formation templates for automatic instance creation and termination?
 - How to restore data from an Amazon RDS?
 - What are the advantages of RDS over Traditional Databases?
 - How to connect the Linux instance with user name and password?
 - How to enable MFA for our IAM account?
 - What are the types of Load Balancers we have in AWS? Explain Them
 - How to create application load balancer for host based and path based routing?
 - How to enable load balancer to auto scaling groups?
 - What are the Scaling Policies you have used in the project
 - What is IAM? Please Explain IAM Roles, Users, Groups, Policies
 - What is AMI, Snapshot in EC2
 - How to use USERDATA in EC2 Instance? How to Troubleshoot if Userdata is not running as expected?
 - What are the Types of IAM Policy we have?
 - What is VPC ? Why we need to go for Custom VPC ?
 - What is CIDR Blocks and what are the private Range of CIDR blocks supported?
 - VPC Components like Subnet, Internet Gateway , Route tables, NACL, Nat Devices, Nat Gateway, Nat instance, VPN Gateway, VPC Peering, Transit Gateway, VPC EndPoints
 - What are the Differences between Internet Gateway and Nat Gateway
 - What are the Differences between NACL vs Security Groups
 - Explain Auto Scaling policies?Â
 - Differences between NAT gateway and NAT instance?
 - What is route table?
 - What are default route table contents?
 - Questions related to VPC Quotas
 - What is VPC Endpoints? Types of VPC Endpoints? How Private Subnet Resources access AWS PASS based Services?
 - What Is VPC Peering and Prerequisites for Vpc Peering and Steps to Configure VPC Peering
 - What is AWS Route 53,DNS,DNS Records, How DNS works and Internet Works
 - What is Hosted Zones and Types of Hosted Zones
 - What are the Routing Polices Supported by Route53
 - What are the Storage Services Available in AWS? What is AWS EBS,EFS,S3
 - What are Differences Between AWS EBS vs EFS and EBS vs S3
 - EBS Storage types like general Purpose, Provisioned and HDD
 - What are the S3 Storage Classes? Why S3 is called as Object level Storage?
 - Which Type of Data we are going to Keep in S3 Buckets
 - What are the Storage Classes Supported by S3? What are the usecases of those Storage Classes
 - What is S3 Life Cycle Policy?
 - What is S3 Versioning and Why we need to use S3 Versioning
 - How to Replicate The S3 bucket Data to other region?
 - How to Deploy Static Website Using S3 Buckets
 - How a Private Subnet Instance can access S3 Bucket
 - How other account IAM user can access the S3 bucket in another Bucket
 - What is S3 Glacier? Glacier Types and Snowball
 - How to Migrate on premises Data to Cloud
 - How to Migrate On Premises Servers in to AWS
 - How to Migrate Databases to AWS RDS?
 - How to Design a 3 Tier application Deployment using AWS Services
 - What is Cloud watch and What is Cloud Trail?
 - What are the metrics you are monitoring using Cloudwatch
 - What are the alarms you have configured on Cloudwatch
 - How to Configure Dashboards and SNS Notificatons?
 - What are the Cloud Formation Templates and IAC
 - Cloud Formation Template Contents
 - How Cloud formation is different from Terraform
 - How to provide Security to AWS Services
 - What are the Security Services you have used in AWS
 - What is WAF? And How you have configured WAF in Application Server
 - What is SSL and TLS ? How to enable TLS Termination in Application Load Balancer
 - What is AWS Certificate Manager? How to generate Certificates in ACS?
 - How to Encrypt your Ec2 instances, RDS, S3 Buckets
 - How to pull and push Docker images to ECR?
 - How to create ECS services connect to application load balancer?
 - How to create IAM rules and permission from console and command line?
 - How to enable cloud watch metrics, alerts and notifications?
 - How to enable cloud trail events for multi zones?
 - How to deploy PHP based application with RDS and high availability in elastic beanstalk?
 - How to run python based lambda function?
 - How to enable VPN access on premises cloud?
 - How to enable CloudFront for S3 Bucket Static Web Content
 - How to enable web application firewall and shield for our website?
 - How to configure cloud front and provide the edge points and edge servers for content distribution?
 - How to run code pipeline?
 - How to integrate cloud formation template deploy from code pipeline (or) GitHub and Jenkins?
 - What is AWS Beantalk and How to Deploy Nodejs or PHP Application with Beanstalk ? How Beanstalk is Different from Cloud Formation Templates
 - How to integrate Jenkins with Aws ec2 instance?
 - What is LAMBDA and What is Serverless Application Deployment
 - Advantages and Disadvantages of using Lambda
 - How to Integrate API Gateway with Lambda
 - How to enable lambda function s for Load Balancers?
 - How to rotate IAM Â keys automatically?
 - Deploy code from code deploy to ECS container?
 - What is Code Star?
 - What is X-ray? How it differ from Cloudwatch
 - What is Cloud9?
 - Explain Some AWS IAAS Services, PAAS Services and SAAS Services
 - What is AWS Directory Services, Workspace and App stream
 - What is Elastic Cache and Which engines are supported by Elastic Cache
 - What is Dynamo DB and Cognito in Serverless
 - What is Amazon CloudFront?
 - What is Amazon SageMaker?
 - What are all your roles and responsibilities in AWS