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Multiple ChoiceBeginner 45s

Per-User Quiet Hours in Notifications

Where should quiet-hours suppression be evaluated in a notification pipeline to respect per-user schedules?
Options
  1. 1At event ingestion time in UTC, before the recipient's local schedule is known
  2. 2Only in the mobile client after the push notification has already arrived on device
  3. 3Centrally in the CDN edge cache that fronts the notification delivery endpoints
  4. 4At delivery time in the user's local timezone, deferring or dropping non-urgent messages

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