Quiz: Large OpenStack Clusters
Estimated reading time: 2 minutes.
- Objective
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Assess the learner’s understanding of OpenStack cluster topology mechanisms.
Questions
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An OpenStack Administrator needs to plan for a cluster that encompasses two different floors of a data center building. Each floor has its own power supply and core network switches. Which of the following is the best way of structuring the cluster for the scenario?
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Each building maps to a cluster.
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Each building maps to a region.
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Each building maps to an AZ.
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Each building maps to a host aggregate.
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Each building maps to a cell.
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An OpenStack Administrator needs to plan for applications that require special network accelerator cards, which are not available in all compute nodes of a cluster. Which of the following is the best way of structuring the cluster for the scenario?
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Compute nodes with the accelerator card belong to a region.
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Compute nodes with the accelerator card belong to an AZ.
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Compute nodes with the accelerator card belong to a host aggregate.
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Compute nodes with the accelerator card belong to a cell.
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An OpenStack Administrator configured a cluster with four kinds of physical machines: machines with GPUs, machines with high CPU core count, machines with both GPUs and high core count, and finally machines with neither a CPU nor a high core count. What an OpenStack Operator should do to ensure that a workload which requires both GPUs and many CPU cores runs in a physical machine of the matching kind?
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Use a server flavor which maps to an AZ of compute nodes with both GPUs and high core count.
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Use a server flavor which maps to an AZ of compute nodes with GPUs and also to another AZ of compute nodes with high core count.
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Use a server flavor which maps to a host aggregate of compute nodes with GPUs and also to another host aggregate of compute nodes with high core count.
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Use a server flavor which maps to a host aggregate of compute nodes with both GPUs and high core count.
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Use a server flavor which maps to a cell of compute nodes with GPUs and also to another AZ of compute nodes with high core count.
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Use a server flavor which maps to a cell of compute nodes with both GPUs and high core count.
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