{CodeRoyale}
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Multiple ChoiceHard 30s

Service Workers

Choose the best answer for: service workers and storage
Options
  1. 1Service workers are used to optimize CSS and stylesheet delivery
  2. 2Service workers can use Cache API for offline resource caching
  3. 3Service workers block storage access while they are active in a page
  4. 4Service workers persist their data through the localStorage key store
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