When you put objects in Amazon S3, what is the indication that an object was successfully stored?

Which of the following items are required to allow an application deployed on an EC2 instance to write data to a
DynamoDB table? Assume that no security keys are allowed to be stored on the EC2 instance. Choose 2
answers.

When an EC2 EBS-backed (EBS root) instance is stopped, what happens to the data on any ephemeral store
volumes?

You have decided to change the instance type for instances running in your application tier that is using Auto
Scaling. In which area below would you change the instance type definition?

You have a web application running on six Amazon EC2 instances, consuming about 45% of resources on
each instance. You are using auto-scaling to make sure that six instances are running at all times. The number
of requests this application processes is consistent and does not experience spikes. The application is critical
to your business and you want high availability at all times. You want the load to be distributed evenly between
all instances. You also want to use the same Amazon Machine Image (AMI) for all instances. Which of the
following architectural choices should you make?

In AWS, which security aspects are the customer’s responsibility? Choose 4 answers.

A customer is leveraging Amazon Simple Storage Service in eu-west-1 to store static content for a web-based
property. The customer is storing objects using the Standard Storage class. Where are the customers objects
replicated?

Which of the following are characteristics of Amazon VPC subnets? Choose 2 answers.

Which technique can be used to integrate AWS IAM (Identity and Access Management) with an on-premise
LDAP (Lightweight Directory Access Protocol) directory service?

Your application provides data transformation services. Files containing data to be transformed are first
uploaded to Amazon S3 and then transformed by a fleet of spot EC2 instances. Files submitted by yourpremium customers must be transformed with the highest priority. How should you implement such a system?