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Exam KCNA topic 1 question 52 discussion

Actual exam question from Linux Foundation's KCNA
Question #: 52
Topic #: 1
[All KCNA Questions]

What factors influence the Kubernetes scheduler when it places Pods on nodes?

  • A. Pod memory requests, node taints, and Pod affinity.
  • B. Pod labels, node labels, and request labels.
  • C. Node taints, node level, and Pod priority.
  • D. Pod priority, container command, and node labels.
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Suggested Answer: A 🗳️

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shahy0
1 week, 2 days ago
Selected Answer: A
Pod Memory Requests: The scheduler considers the resource requests (CPU and memory) specified for the Pod to ensure that the node has sufficient resources to accommodate the Pod. Node Taints: Nodes can be tainted to repel certain Pods. The scheduler checks for taints on nodes and tolerations on Pods to determine if a Pod can be scheduled on a particular node. Pod Affinity and Anti-Affinity: Pod affinity rules specify that certain Pods should be placed on the same node or close to each other, while anti-affinity rules specify that certain Pods should not be placed on the same node or close to each other. The scheduler considers these rules when making placement decisions.
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2211094
1 month, 3 weeks ago
Selected Answer: A
A. Pod memory requests, node taints, and Pod affinity. The Kubernetes scheduler takes into account factors like memory and CPU requests/limits, node taints and tolerations, and Pod affinity and anti-affinity rules to decide where to place Pods.
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