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CKA study material · question 668 of 1000

A node has three taints and a Pod tolerates two of them; the untolerated one has effect NoSchedule. What is the outcome for a new Pod?

  1. It schedules, because a majority of taints are tolerated
  2. It schedules with a lower score than on an untainted node
  3. It does not schedule on that node
  4. It schedules but is evicted at the next sync
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Answer: C. It does not schedule on that node

Taints are filtered, not scored: tolerated ones are ignored and whatever remains still applies, so a single untolerated NoSchedule taint is enough to block placement.

Source: Taints and Tolerations (Kubernetes) — Concepts

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