For duplex communication we can’t use ___________

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For duplex communication we can’t use ____________.

1. HTML5
2. JavaScript
3. Streaming
4. Long Polling
5. None of these

Correct Option: B

There are some existing techniques for the communication between client and server known as duplex techniques. They are Streaming, HTML5, Postback and AJAX, Long Polling, Polling. For real-time transferring of data, Streaming is the best option. Polling performs periodic requests.