{CodeRoyale}
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Multiple ChoiceHard 30s

Chain of Responsibility

Choose the best answer for: middleware pattern
Options
  1. 1Each handler in the chain must be driven by an explicit loop
  2. 2Each handler in the chain can process or pass to the next handler
  3. 3The handler chain is a pattern meant only for database access
  4. 4The handler chain is deprecated and removed from frameworks
javascripthard

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