Qa Interviews

Qa Interview Questions

The purpose of quality assurance is to prevent mistakes or defects during the manufacturing process of a product. Employers will want someone who pays attention to detail and knows how to troubleshoot issues with a product. During the interview, you may be presented with one of the company’s products and asked to explain how you would go about testing and improving it.

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A light bulb is hanging in a room. Outside of the room there are three switches, of which only one is connected to the lamp. In the starting situation, all switches are 'off' and the bulb is not lit. If it is allowed to check in the room only once to see if the bulb is lit or not (this is not visible from the outside), how can you determine with which of the three switches the light bulb can be switched on?
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Senior QA Engineer

Interviewed at Akamai

4.3
Dec 24, 2011

A light bulb is hanging in a room. Outside of the room there are three switches, of which only one is connected to the lamp. In the starting situation, all switches are 'off' and the bulb is not lit. If it is allowed to check in the room only once to see if the bulb is lit or not (this is not visible from the outside), how can you determine with which of the three switches the light bulb can be switched on?

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