Q. What is a "callback" in the context of Ruby on Rails?
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(A)
A method that is called when a database query is executed
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(B)
A method that is called when an exception occurs
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(C)
A method that is called in response to a specific event in the application lifecycle
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(D)
A method that is called before an object is instantiated
✅ Correct Answer: (C)
A method that is called in response to a specific event in the application lifecycle