Data Communication and Computer Networks - Internet Of Things

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31. MQTT was introduced by

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Option : C
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32. Which of the following is an extension of MQTT, which uses encryption based on lightweight attribute based encryption?

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Option : B
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33. RPL supports:

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Option : D
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34. Representational State Transfer (REST) is the standard interface between

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Option : C
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35. Which of the following is not a messaging mode in CoAP?

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Option : C
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