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CKA study material · question 856 of 1000

A newly installed validating webhook has left older Pods impossible to delete. What design rule was broken?

  1. The webhook should not have registered for the pods resource
  2. The webhook should only validate new changes, letting existing violations through
  3. The webhook should have used failurePolicy: Fail
  4. The webhook should have been namespaced
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Answer: B. The webhook should only validate new changes, letting existing violations through

A validating webhook that rejects any UPDATE on a non-compliant Pod also blocks finalizer removal, so Pods created before it was installed become undeletable.

Source: Debug Pods (Kubernetes) — Debugging Pods › My pod stays terminating

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