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What is the most common reason something that used to work stops working?

  1. A A recent change such as an update, configuration edit or expired credential
  2. B Hardware degradation
  3. C User error
  4. D Network congestion
Answer

A recent change such as an update, configuration edit or expired credential

Asking what changed, and checking change logs, resolves more incidents than any diagnostic tool.

All IT MCQs

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