What are the services you have used in AWS? What are the types of storage in S3? How will you troubleshoot if a web server is not responding? Have you come across DNS hosting, in AWS how can we achieve it? What is static hosting in AWS? What are roles, service rules, and IAM policies in AWS? Can you differentiate types of load balancers in AWS and where it is used? How will you see from where the request came to your server which was forwarded by the load balancer attached to it, your server is in a private subnet? What is the use of NAT gateway?

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Accepted Answer

AWS services, S3 storage types, troubleshooting web server, DNS hosting, static hosting, IAM policies, load balancers, NAT gateway

Used EC2, S3, RDS, Lambda, CloudFront, etc.
S3 storage types: Standard, Infrequent Access, Glacier
Check server logs, network connectivity, security groups, etc.
DNS hosting can be achieved using Route 53
Static hosting is used to host static websites using S3 and CloudFront
Roles define permissions for AWS resources, service rules define access to specific AWS services, IAM policies define permissions for users/groups
Types of load balancers: Application, Network, Classic
Use X-Forwarded-For header to see the original IP address of the request
NAT gateway is used to provide internet access to resources in a private subnet

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