A user has launched an EC2 instance and installed a website with the Apache webserver. The webserver is running but
the user is not able to access the website from the internet. What can be the possible reason for this failure?

You are building an online store on AWS that uses SQS to process your customer orders. Your backend system needs
those messages in the same sequence the customer orders have been put in. How can you achieve that?

You have been given a scope to deploy some AWS infrastructure for a large organisation. The requirements are that you
will have a lot of EC2 instances but may need to add more when the average utilization of your Amazon EC2 fleet is high
and conversely remove them when CPU utilization is low. Which AWS services would be best to use to accomplish this?

Which of the below mentioned options is not a best practice to securely manage the AWS access credentials?

In regard to DynamoDB, what is the Global secondary index?

In regard to AWS CloudFormation, what is a stack?

A user has launched one EC2 instance in the US West region. The user wants to access the RDS instance launched in
the US East region from that EC2 instance. How can the user configure the access for that EC2 instance?

When using Amazon SQS how much data can you store in a message?

A user has launched an EBS backed Linux instance. How can a user detach the root device and attach it to another
instance as a secondary volume?

You want to have multiple versions of your application running at the same time, with all versions launched via AWS
Elastic Beanstalk. Is this possible?