How do you answer what is the biggest challenge you've faced?

In a job interview, you're likely to be asked: “What challenges or obstacles have you overcome? Or: “What's the biggest challenge you've overcome? But what kind of challenge should you describe? And do you need to choose a working example? Be honest when discussing challenges, but be brief with your response. Don't spend too much time on the difficulty you are presenting, just say it and briefly explain how you faced it and what you learned from it.
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