Interview Questions

Sandeep Y. - "Functional requirement's: partial search while searching for users, products any keywords in the search. additional keywords in the filter Black listed words in the search. Non functional requirements: low latency, search through 2 Billion records recent search should be cached. Design: high reads, we should have caching enabled over the primary db storages. caching cluster can be added when the search load increases. read ahead. - check in cache (periodic cache refresh), lfu, lru "See full answer

Astro S. - "what is NUC? "See full answer

Pramod V. - "I would like to ask questions to the interviewer as to if the company or I as TPM have any success history handling this magnitude. Also, I will talk on my behalf to justify my experience and caliber to drive this magnitude of project to success. But, I always follow a flow-chart approach when meeting exec management where I do my home work studying the current state of the project/ pain points/ issues/ blockers and steps we have taken or planning to take next to mitigate it. Now w.r.t the flow"See full answer

Connor W. - "In the expected value of a coupon problem, you calculated variance of a binomial distribution, and used the satandard deviation, square root of variance, to calculate the confidence interval. Will that approach work the same here? For fair coin: (Heads = 0, tails = 1) Var = 10 * (.5)(1-.5) = 2.5 Stdev = Sqrt(2.5) = 1.581 Mean = 5 Z-score = (Observed Val - Mean) / Stdev = (10 - 5) / 1.581 = 3.164 P val = 0.0008% (Slightly different from the video's solution of 0.00097) Pros of this approach: It"See full answer

Amparo L. - "I was a student worker at Gordon's Food Service, Schaumburg, My tasks were vacuuming onion peels, checking expiration dates, cleaning the break room, cleaning the shelves from the Ailes, Stocking stuff on shelves, sweeping the backroom, mopping, Refilling bottles with cleaning supplies and cleaning the fridge glass."See full answer

Satish murthy D. - "It is very easy to shy away and not make a decision because you might feel the right information is not there to make a decision While dealing with ambiguity it is essential to remain Calm. And Establish what it is you want to achieve by asking a lot of questions to the necessary stakeholders Access the risk, analyze the data at hand, ask the right questions, and be very clear and concise in decision-making"See full answer

Abhinav J. - "Use Normalization when: When using pixel values (0-255) into a Neural Network. ➔ Normalize the data between [0,1] to avoid huge input values that could slow down training. When using k-Nearest Neighbors (kNN) or K-Means Clustering. ➔ Because distance metrics like Euclidean distance are highly sensitive to magnitude differences. You are building a Recommender System using Cosine Similarity.➔ Cosine similarity needs data to be unit norm. Use **Sta"See full answer

Exponent - "This is an interesting Favorite Product question. Normally when we're asked this question we pick technology products, but this time the interviewer wanted to throw us a curveball by asking about a non-technical product. Don't worry - it still follows the same approach: Choose a product and briefly explain what it is Who are the users? What are their pain points? How did competitors solve it in the past? **How does this product address these pain points differe"See full answer

Diamonde H. - "I'm interpreting this question as "what's the process you'd go through to launch a new product". I'd approach it this way, assuming we haven't yet made any determinations around the what/how: Step 1: Pick an industry of interest with Industry criteria based on Industry growth rate VC investments (pitchbook is a good resource) Step 2: Evaluate the various industry verticals and select the vertical with the most opportunity evaluated by Age of companies New entrants Existing -"See full answer

Priyank S. - "To clarify are we looking to build this product within FB app or standalone – standalone Can I assume I can build for US as mvp and then we can roll it globally phase wise – yes Is there a limitation to what task we want to cater people on our app or it could be multi task usual handyman not a niche – yes usual handyman Ok so if I understand we are designing a product for handyman for usual task to launch it in US and this is a standalone app not residing in FB app Overall I will talk about mi"See full answer

Chinedu ekene O. - "After more than five years at my previous company, I had contributed significantly to many important projects and helped the team navigate critical transitions, such as our shift from a monolithic to a microservices architecture. However, over time, I realized that my goals and the direction of the company were no longer fully aligned. I felt I had outgrown the position and was ready for new challenges, where I could continue to grow both technically and professionally. Ultimately, I’m excited a"See full answer

Sadhana U. - "Tag all new members in the welcome post Use Facebook live videos Play fun Facebook group games and offer rewards Run contests that include giveaways Conduct polls Facebook group engagement posts – Only use the formats that work Post at the most engaging times Create Facebook group posts on what your members are talking about Encourage success posts – the best engagement posts for Facebook groups Facebook group marketing – Allow members to promote something Facebook group marketing – Collaborate"See full answer

Pm P. - "Clarification: What does "share" imply? is it the action of sharing the app or website ? My assumption here we are not talking about stock market share :P, other factors come into play there. Diving-in: I would like to classify the questions into 2 buckets Internal Do we have data on which platform the shares increases and split up by Mobile and if mobile via app or via browser, split by apple/android, split via desktop, tablet . Essentially source of the shares. What this will t"See full answer

Anamitra - "Question: Design a CookBook app A few questions I’d ask the interviewer are: what’s the purpose/goal of the app, who are the user segments, and any primary geography we’re targeting as the first launch of the product. Answers/assumptions to the questions: let’s say below are the answers the interviewer provides: what’s the purpose/goal of the app: to help people to follow a recipe, follow it while cooking, and also request a recipe who are the user segments: considering people who’r"See full answer

Lokesh K. - "Clarification: What are we trying to improve on Facebook Marketplace? I would like you to ponder on this. I'll take on how to monetize the Marketplace. Thus, improving it from the company's perspective Do we have any particular Demography in Mind Take India, as it is one of the biggest market available. What do I understand by Facebook Marketplace? It is a place where both buyers and sellers get a chance to connect within Facebook. The Sellers have the option of postin"See full answer