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

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?

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?

Which of the following are true regarding AWS CloudTrail? Choose 3 answers

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?

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 2 answers

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?

Which of the following notification endpoints or clients are supported by Amazon Simple Notification Service?
Choose 2 answers

Which set of Amazon S3 features helps to prevent and recover from accidental data loss?

A company needs to monitor the read and write IOPs metrics for their AWS MySQL RDS instance and send
real-time alerts to their operations team. Which AWS services can accomplish this? Choose 2 answers