A scientific research team is running 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 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

Look for 'tightly coupled', 'HPC', and 'lowest latency'. Cluster Placement Groups are designed for this.

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. It provides the lowest network latency and highest network throughput, making it ideal for tightly coupled HPC applications.

Common mistakes

Choosing Spread placement groups, which are for fault tolerance, not performance.

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