The design exercise can throw some candidates off. Some good advices - be very authentic to who you are. Note that it really isn't about the design solution you come up with. They are not looking for the right answer, but your thinking process and the way you interact with other design team members.
Design an elevator with 1,000 floors.
How do you get energy at work ?
Describe your background
Were there any conflicts as you were working on the project?
What can you bring to the company？ How long did this project take？
questions where asked from the assignment
Design a credit card that prevents people from being in debt.
I don't have a copy of your resume - did you bring one?
Tell us about a project where you found yourself challenged, how did you over come it?
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