Non Coding Questions

 System Design

Q: Describe how would you approach a task of automating traffic lights. What factors will influence your choice of how much time to allocate for each phase of a cycle?

Q: Given data on Meta/Facebook members friending/defriending each other on Meta/Facebook, find out whether a given pair of members are currently friends.

Q: How would you design a database schema for storing customers' address information, given that the address of some customers changes in time?

Q: How would you compare the relative performance of two different backend engines for automated generation of Meta/Facebook "Friend" suggestions?

Q: On e-commerce websites, such as Amazon, users sometimes want to buy products that are out of stock. How would you design a recommendation system to suggest the replacement for these products?

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