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Entretien pour Cloud Operations Engineer



How one can figure out that which switch is connected to which LED?


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It is a puzzle where there are 3 LED's and you have to identify which switch is for which led. It is actually very easy. Turn on one switch for 4-5 seconds and then turn it off and turn on the next switch and visit the room. The led which is glowing is of the latter switch and the bulb which is releasing heat is of the former switch and the remaining bulb is related to the last switch.

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