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When do uncaught exceptions generate events

This question belongs to Javascript Server Side And Client Side Scripting
Server Side and Client Side Scripting
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When do uncaught exceptions generate events?

Answer & Solution
Correct Answer: Option A
Uncaught exceptions generate events, if any handlers are registered. Otherwise, the exception just makes Node print an error and exit. 
process.on("uncaughtException", function(e) { console.log(Exception, e); });
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