Q61 — AWS SAP-C02 Ch.2

Question 61 of 75 | ← Chapter 2

Q211. A company has a new application that needs to run on five Amazon EC2 instances in a single AWS Region. The application requires high-throughput, low-latency network connections between all of the EC2 instances where the application will run. There is no requirement for the application to be fault tolerant. Which solution will meet these requirements?

Correct Answer: A. Launch five new EC2 instances into a cluster placement group Ensure that the EC2 instance type supports enhanced networking.

Explanation

Option B suggests launching five new EC2 instances into an Auto Scaling group in the same Availability Zone and attaching an extra elastic network interface to each EC2 instance. However, this approach does not provide low-latency network connections between the instances. Option C suggests launching five new EC2 instances into a partition placement group, which is designed for applications that need to access low-latency, high-bandwidth network interfaces, but it is only available in certain regions and is not suitable for this scenario. Option D suggests launching five new EC2 instances into a spread placement group and attaching an extra elastic network interface to each EC2 instance, but this would not provide the necessary low-latency network connections. Therefore, launching five new EC2 instances into a cluster placement group is the most suitable solution as it ensures that all the instances are within a single low-latency cluster and can communicate with each other quickly and efficiently. It is also important to ensure that the EC2 instance type supports enhanced networking, which provides higher packet-per-second performance, lower latency, and lower jitter. By choosing this option, the company can meet its requirement for high-throughput, low-latency network connections between all of the EC2 instances without any additional overhead or complexity.