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CKA study material · question 614 of 1000

In what order does the LimitRange admission controller act on a new Pod?

  1. It validates against the constraints, then applies defaults to anything left unset
  2. It applies defaults first, then validates against the minimum, maximum and ratio constraints
  3. It validates only, leaving defaults to the scheduler
  4. It applies defaults only, leaving validation to the quota system
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Answer: B. It applies defaults first, then validates against the minimum, maximum and ratio constraints

Defaults are injected before the constraints are checked, which is why a Pod with no requests can still be rejected for violating a minimum after defaulting.

Source: Limit Ranges (Kubernetes) — Constraints on resource limits and requests

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