How can software determine the public and private IP addresses of the Amazon EC2 instance that it is running on?

Which code snippet below returns the URL of a load balanced web site created in CloudFormation with an
AWS::ElasticLoadBalancing::LoadBalancer resource name “ElasticLoad Balancer”?

When using a large Scan operation in DynamoDB, what technique can be used to minimize the impact of a scan on a
table’s provisioned throughput?

What is the format of structured notification messages sent by Amazon SNS?

What is the maximum number of S3 Buckets available per AWS account?

What AWS products and features can be deployed by Elastic Beanstalk? Choose 3 answers.

Company B provides an online image recognition service and utilizes SOS to decouple system components for scalability
The SQS consumers poll the imaging queue as often as possible to keep end-to-end throughput as high as possible.
However, Company B is realizing that polling in tight loops is burning CPU cycles and increasing costs with empty
responses. How can Company B reduce the number of empty responses?

Which features can be used to restrict access to data in S3? Choose 2 answers.

You are inserting 1000 new items every second in a DynamoDB table. Once an hour these items are analyzed and then
are no longer needed. You need to minimize provisioned throughput, storage, and API calls. Given these requirements,
what is the most efficient way to manage these Items after the analysis?

In DynamoDB, what type of HTTP response codes indicate that a problem was found with the client request sent to the
service?