A company runs a high performance computing (HPC) workload on AWS. The workload required low-latency network performance and high network throughput with tightly coupled node-to-node communication. The Amazon EC2 instances are properly sized for compute and storage capacity, and are launched using default options.
What should a solutions architect propose to improve the performance of the workload'?

You are designing a social media site and are considering how to mitigate distributed denial-of-service (DDoS) attacks. Which of the below are viable mitigation techniques? (Choose 3 answers)

An organization wants to migrate a legacy Ruby-on Rails application to AWS. The application is not used frequently, but it must be scalable during peak use. The organization requires minimal code changes, if any, to the application.
Which of the following solutions will meet the organization's requirements for moving the application to AWS?

A customer needs corporate IT governance and cost oversight of all AWS resources consumed by its divisions. The divisions want to maintain administrative control of the discrete AWS resources they consume and keep those resources separate from the resources of other divisions. Which of the following options, when used together will support the autonomy/control of divisions while enabling corporate IT to maintain governance and cost oversight?
Choose 2 answers

A company receives structured and semi-structured data from various sources once every day A solutions architect needs to design a solution that leverages big data processing frameworks The data should be accessible using SQL queries and business intelligence tools What should the solutions architect recommend to build the MOST high-performing solution**