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SOA-C02 · Question #523

A company has a high performance computing (HPC) application that runs on Amazon EC2 instances. The application requires minimum latency and maximum network throughput between nodes. How should a…

The correct answer is A. Use a cluster placement group in a single Availability Zone. Cluster - Packs instances close together inside an Availability Zone. This strategy enables workloads to achieve the low-latency network performance necessary for tightly-coupled node-to- node communication that is typical of high-performance computing (HPC) applications…

Submitted by skyler.x· Mar 30, 2026Cost and Performance Optimization

Question

A company has a high performance computing (HPC) application that runs on Amazon EC2 instances. The application requires minimum latency and maximum network throughput between nodes. How should a SysOps administrator deploy the EC2 instances to meet these requirements?

Options

  • AUse a cluster placement group in a single Availability Zone.
  • BUse a cluster placement group across multiple Availability Zones.
  • CUse a partition placement group in a single Availability Zone.
  • DUse a partition placement group across multiple Availability Zones.

How the community answered

(39 responses)
  • A
    85% (33)
  • B
    10% (4)
  • C
    3% (1)
  • D
    3% (1)

Explanation

Cluster - Packs instances close together inside an Availability Zone. This strategy enables workloads to achieve the low-latency network performance necessary for tightly-coupled node-to- node communication that is typical of high-performance computing (HPC) applications. https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/placement-groups.html

Topics

#cluster placement group#HPC#network latency#EC2 placement

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