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CKA study material · question 174 of 1000

What does a Pod's resource request actually reserve?

  1. A hard ceiling the container cannot exceed
  2. The amount the scheduler sets aside when placing it
  3. The memory the kernel pre-allocates
  4. The CPU shares given to the container runtime only
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Answer: B. The amount the scheduler sets aside when placing it

A request is what scheduling reserves; a container may use more when the node has room to spare.

Source: Resource Management for Pods and Containers (Kubernetes) — Requests and limits

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