A company is deploying a tightly coupled High Performance Computing (HPC) application on Amazon EC2. The application requires the lowest possible network latency and highest network throughput between instances. How should the EC2 instances be deployed?

Answer options:

In a Spread Placement Group

In a Partition Placement Group

In a Cluster Placement Group

Across multiple Availability Zones

How to approach this question

Match 'tightly coupled', 'lowest latency', and 'HPC' with Cluster Placement Group.

Full Answer

C.In a Cluster Placement Group✓ Correct

In a Cluster Placement Group

A cluster placement group is a logical grouping of instances within a single Availability Zone. A cluster placement group is recommended for applications that benefit from low network latency, high network throughput, or both, such as tightly coupled node-to-node communication typical of HPC applications.

Common mistakes

Choosing Spread Placement Group, which is for high availability, not performance.

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