{CodeRoyale}
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Multiple ChoiceIntermediate 30s

Long polling

Choose the best answer for: long polling
Options
  1. 1No wait; clients poll on a fixed timer regardless
  2. 2Same as SSE; both push events on a persistent channel
  3. 3Client holds connection open until server has data
  4. 4Same as WebSocket; both upgrade to a full-duplex socket
backendintermediate

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