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___________ specifies the function that will be called when the client disconnects.

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___________ specifies the function that will be called when the client disconnects.

(a) Callback

(b) Error

(c) Connect

(d) Disconnect

I have been asked this question during an internship interview.

This is a very interesting question from Sending and Receiving Data in Real Time Through Internet topic in division Working with the Cloud of IOT

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The correct choice is (d) Disconnect

To explain I would say: The call to this message specifies many methods declared in the MessageChannel class

Disconnect: specifies the function that will be called when the client disconnects from the PubNub cloud.

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