A high-performance computing (HPC) application requires tightly coupled EC2 instances with the lowest possible network latency. Another application requires EC2 instances to be placed on distinct underlying hardware to minimize correlated failures. Which TWO placement groups should be used respectively? (Select TWO.)

Answer options:

Cluster Placement Group for the HPC application.

Partition Placement Group for the HPC application.

Spread Placement Group for the application requiring distinct hardware.

Cluster Placement Group for the application requiring distinct hardware.

Partition Placement Group for the application requiring distinct hardware.

How to approach this question

Match 'lowest latency' to Cluster and 'distinct hardware' to Spread.

Full Answer

A Cluster placement group packs instances close together inside an Availability Zone, providing low network latency for HPC. A Spread placement group strictly places a small group of instances across distinct underlying hardware to reduce correlated failures.

Common mistakes

Confusing Partition and Spread placement groups.

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