System Design Interview Questions

M A. - "Clarifying question - Fb Timeline is essentially my profile wall on FB where I can post content. My friends, friends of friends or other users of FB can come and view my profile and stay connected. Content that I post on my timeline, also gets cross posted on my friends feed. Is that understanding correct? Are there any new goals of change of product strategy that I need to be aware of? Motivation/Why - FB timeline is a mature product, but it still aligns very well with Meta mission of connec"See full answer

Julien C. - "👇 Your feedback is very much appreciated 👇 Clarifying Questions Bookshelf: how is this bookshelf going to be used? at home? in a library? Elderly People: do we have more precisions on this elderly population? are they sick?disabled? [Interviewer: this bookshelf will be for home purposes. You'll have to specify.] Here's what we gonna do: Users & Pain Points: let's try to better understand who we are designing this bookshelf for Solutions: we'll brainstorm a few solutions and"See full answer

Chermaine Y. - "Zero in on the problem, the expectations of user are to find a restaurant but their feed is uninspired so they may bounce out of Yelp. Identify the impact size of user feeling like discovery is not personalised enough by seeing % of users that selected a restaurant from the homepage If large enough, I will look at who is likely the ones that want personalisation and why? Do they feel like they want to try new restaurants or are they finding it difficult to find restaurants they have been"See full answer

Rahul J. - "Clarifying questions Target geography: USA, all urban areas Form factor: Mobile app, supported on iOS and Android Items to be borrowed: simple appliances like toaster, FMCG products, etc. Target market USA has a population of millions of people People generally need to frequently borrow household items from neighbours in case of emergency (or even otherwise) Internal company assessment Meta's mission is to create communities that help each other. This problem ties in well with t"See full answer

Brandon C. - "We can start by considering the key components: waiters, tables and customers. We'll need a database to store information about waiters, tables and customers, each waiter can have a unique ID and we can track the. number of tables they are servicng. Tables can have attributes like table number, capacity, and current status. Customers can be tracked by their arrival time and party size. we can calculat ethe expected waiting time bu considering the average time a table is occupied and the number o"See full answer

Exponent - "This is a Design a Product question. For this, we'll want to follow the formula for success: Ask clarifying questions Identify user types, behaviors, and pain points State the goal and use cases List current solutions Improvements / net new solutions Evaluate and select solutions Measure Success Summarize Ask clarifying questions The PM interview isn't about your ability to come up with the best solution right away — it's about bein"See full answer

Hyder A. - "Control plane has few component, it's like the brain of the cluster, the data plane is the work horse, CP has etcd, api-server, DP has kublet and kube-proxy"See full answer

Sangeeta P. - "Since I am residing in Bangalore, I will consider the Bengaluru airport. The airport has 2 terminals. I am going to consider the security scan done at both the terminals for the estimation. Does it include security scans for both international and domestic flights? --> Both The airport crew members and pilots also go through the security scan. So, should I include only them as well or only the passengers in my calculation? --> Only the passengers Number of people going through the security scan"See full answer