AWS Certified SysOps Administrator – Associate (legacy) — Question 583

What is a placement group in Amazon EC2?

Answer options

• A. It is a logical grouping of EC2 instances within a single Availability Zone.
• B. It the edge location of your web content.
• C. It is a group used to span multiple Availability Zones.
• D. It is the AWS region where you run the EC2 instance of your web content.

Correct answer: A

Explanation

An Amazon EC2 cluster placement group is a logical grouping of instances within a single Availability Zone to achieve low-latency and high-throughput networking. Options B and D describe CloudFront edge locations and AWS regions rather than placement groups. Option C is incorrect because a standard cluster placement group cannot span multiple Availability Zones.