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Multiple ChoiceIntermediate 30s

Concurrency Model

Choose the best answer for: JS concurrency
Options
  1. 1JS uses thread-based concurrency with a thread per task
  2. 2JS uses shared-memory concurrency with mutex locks
  3. 3JS uses event-driven, non-blocking I/O concurrency
  4. 4JS has no concurrency and runs one callback in total

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