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Assertion (A): Scale out and scale in thresholds are usually set asymmetrically.
Reason (R): The consequence of scaling in too far is far worse than that of scaling out too readily.

  • A.A is true but R is false
  • B.A is false but R is true
  • C.Both A and R are true, and R is the correct explanation of A
  • D.Both A and R are true, but R is not the correct explanation of A

Answer: C

Both are true and the reason gives the asymmetry of the risks, and it also happens to reduce flapping by widening the band between the two actions. One adjustment therefore addresses both the risk and the oscillation together.

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