Which of the following notification endpoints or clients are supported by Amazon Simple Notification Service?
(Choose two.)

A company needs to deploy services to an AWS region which they have not previously used. The company
currently has an AWS identity and Access Management (IAM) role for the Amazon EC2 instances, which
permits the instance to have access to Amazon DynamoDB. The company wants their EC2 instances in the
new region to have the same privileges. How should the company achieve this?

You have a load balancer configured for VPC, and all back-end Amazon EC2 instances are in service.
However, your web browser times out when connecting to the load balancer’s DNS name. Which options are
probable causes of this behavior? (Choose two.)

You have a content management system running on an Amazon EC2 instance that is approaching 100% CPU
utilization. Which option will reduce load on the Amazon EC2 instance?

Which of the following are true regarding AWS CloudTrail? (Choose three.)

You have a distributed application that periodically processes large volumes of data across multiple Amazon
EC2 Instances. The application is designed to recover gracefully from Amazon EC2 instance failures. You are
required to accomplish this task in the most cost-effective way.
Which of the following will meet your requirements?

You have an environment that consists of a public subnet using Amazon VPC and 3 instances that are running
in this subnet. These three instances can successfully communicate with other hosts on the Internet. You
launch a fourth instance in the same subnet, using the same AMI and security group configuration you used for
the others, but find that this instance cannot be accessed from the internet. What should you do to enable
Internet access?

In order to optimize performance for a compute cluster that requires low inter-node latency, which of the
following feature should you use?

When an EC2 instance that is backed by an S3-based AMI is terminated, what happens to the data on the root
volume?

An Auto-Scaling group spans 3 AZs and currently has 4 running EC2 instances. When Auto Scaling needs to
terminate an EC2 instance by default, AutoScaling will:
(Choose two.)