Interview Questions

Ashish G. - "Rate Limiter is to limit the number of request from a particular IP Address. Rate limiter will block the IP address to reduce the load on server. It should be highly available and handle concurrent requests. Blocked IP addresses should be kept in a pool which is present in shared cache. We need to keep threshold value after it reaches threshold value it should start blocking IP address. All these ip address to be kept in No SQL DB. Batch will run that will clear the cache and delete all the bloc"See full answer

P D. - "My Least Favorite Product: Amazon Kindle I have both: amazon kindle 8th generation (with backlight) and without backlight for many years now and also part of kindle unlimited program. And would be having more than 200-300 books on it already ranging across various topics What i don't like about kindle is that, its operating system has not evolved since many years. It's as difficult to operate as it was when it was launched. Infact now i don't prefer to browse the books on kindle, instead buy t"See full answer

Jimmy K. - "Awesome thanks for your question. Can I take a few seconds to write down some thoughts? - Sure Okay I’m ready. So the way I’ll work through this problem is that first I’ll ask some clarifying questions, then I’ll dig into the why, starting with Facebook’s mission and competition and try to end up with a why for this product to exist. Then we will talk about users and will pick a user to focus on. We will then figure out which need to solve for the user given the product's why and the context we"See full answer

Dania L. - "Was this asked as a part of the mini case?"See full answer

Harshit J. - "In my organization, I was given a initiative to improve the time spent by users on web application so that we can improve the quality of engagement on the website. Overview of a business model: We are a research organization that delivers where users (B2B clients) consume research content in form of research reports. Clients has specifically subscription for a year and if clients engage continuously and they spend more time on research they will retain. Success metrics: Improve time spe"See full answer

Ahmed A. - "He was really all over the place ? couldnt detect a structure to his answer felt like he was talking out of experience ."See full answer

Gabe M. - "My stab at this (feedback welcome): Total distance for last car 500 meters: Assuming mostly standard cars, average car length + gap = 5 meters. Acceleration time total 505 seconds: first car reacts slowest, accelerate in 10 seconds. Every other car needs 5 seconds (can see ahead). Takes 90 seconds to cover 500m: to cover 500m that means 90 seconds (20kph = 10km in 30min = 1km in 3min = 500m in 1.5m) A bit under 10 minutes = 90s + 505s. Probably a bit less as last car"See full answer

Amy M. - "Clarifying questions: Do we want to focus on front end or backend? Front end Do we want to focus on any particular platform? For ex: Site, mobile, apps Interviewer: Desktop Is there anything tools on gmail that you'd like me to focus on? For ex: Meet, Hangouts, Notes Interviewer: Just the main product Are there any specific product buckets that you'd like me to go through? For ex: Sign up flows, login flows, security, product experience, sign out flow, recommend"See full answer

Rani Y. - "Prompt : design a farm product Clarifying question : what is the timeline and budget that i need to consider to build this ? 1 year , flexible budget . Is there any geography that i need to focus on ? no restriction What is farming ? Farming is a practice of raising crops and braising animals to produce food for human survival . This is one of the old / primitive ways to grow food using natural resources like land , water etc Why is it imp now ? Farming as I said is vary primitive way to grow fo"See full answer

Gadi R. - "So first, I have some clarifying questions, what is Facebook lite? If I understand correctly this is a version of the Facebook application for Android, with the same functionality but lighter in terms of size. It is aimed to be used in emerging markets where the bandwidth is limited What are the tradeoffs for the size of the app? I guess that some visual elements are stripped down from the app and reduced its size Is this application exist or I am launching it The timeframe of the product?"See full answer

Bk - "Clarification: By Improvement we could delve into either improving Monetization, User Engagement, Experience or Retention. Project Goal: In particular letz focus on improving User Engagement/Experience which may also pave way into monetizing - cuz the way I see it is to put out multiple configurations /packages in the market, and allow users to choose and pay for the services. Its as simple as hiring a full time assistant vs part time. U pay for the service rendered. **Product Vision"See full answer

Adib M. - "Notes from the Video. 1-1s are two way feedback. Important tool to discuss things that are not possible in group setting feedback to employee by manager feedback to manager by employee Feedback to employee can vary by the type of performer the employee is (a) high performer (b) meets expectations (c) under performing Dos and Don't Avoid project discussion as they can be obtained else where. Focus on feedback to employee. Unless there is a critical project item to be d"See full answer

Mike Z. - "Clarifying questions Scope: Just Reels in Facebook, or Instagram too? Mobile and desktop? Goal: Any specific goal we know of or up to me to decide? Framework/Overview Strategy Metric options with pros/cons North Star Metric (NSM) Risks & countermetrics Strategy / The Why: we want to give people … Meta: the power to build community + Bring people closer together Reels: new form of self-expression / entertainment with short form video and pro editing tools Ads in Re"See full answer

Jeffrey F. - "I used the GAME method. Started first with defining the product and setting the mission and goal for Zoom. Stated that the product grew in popularity in 2020-2021 for both business and personal use, but since lockdown ended, shifted to business use. Goal is to effortlessly and seamlessly connect people anywhere. Focused on the business use case and stated Zoom makes revenue through contracts signed with various enterprises. Due to maturity of the product and business focused, said it make"See full answer

Kartikeya N. - "Clarifying questions: What city/ country are we talking about? Indian metro. What all counts as a grocery store? Do have to cover dark stores as well which are not open to public? Only consider all grocery stores where public pick up is allowed. Do we have to include hyper markets/ super markets as well or only smaller stores? Include both. Okay, so I would be considering the Indian metro of Bangalore here. The overall equation is , **total number of grocery stores = Number of small grocer"See full answer

Jacob C. - "Clarifying Qns: Did the watch time went down and comments went up for the same videos or are we saying total watch time and total comments on Youtube? (Total) I am assuming we are not including Youtube Live videos because those are typically live chat 1000’s of comments for a single video. (Correct) Do we know if these two could be independent problems not correlated with each other (No) Here is my approach to diagnose the root cause: Will look at some general trends first Intern"See full answer

Anonymous Sparrow - "Clarifying question: may I assume that this would be for all new units that Roku would be selling? Ie. they wouldn't be sending new remotes to existing Roku customers? (assume interviewer agrees) Here's how I would approach this analysis: Identify purpose and value of this button for customers Identify the purpose and value for HBO/Max and Roku Posit: HBO should be willing to pay up to the value that HBO/Max gets minus potential discount by Roku for the value that Roku would get Pre"See full answer

Prabhav G. - "Assumptions and Clarifications! 1 . What is the aim? increase monetization or to just provide easy accessible food for customers 2.What are the supposed items to be available in the vending machines? 3.How many Vending Machines per hotel if more than 1 Can we add different items in the machines or are they supposed to be similar? 4.Which company is looking to Design this machine?Is it google? Or some other company? 5.These machines should they be available to paying guests or visitors or bot"See full answer

Siddhant S. - "We'll consider cost-effectiveness, environmental impact, convenience, and scalability. Here are key metrics and trade-offs to consider: Cost Metrics Operational Costs: Compare the direct costs associated with operating each mode of transit, including vehicle maintenance, fuel or energy, and driver salaries. Subsidization Level: Assess how much subsidy each option requires per ride or per passenger to remain free or low-cost to employees. Cost Efficiency: Analyze the cost p"See full answer

Bradley E. - "Here's a simpler solution: select u.username , count(p.postid) as countposts from posts as p join users as u on p.userid = u.userid where p.likes >= 100 group by 1 order by 2 desc, 1 asc limit 3 `"See full answer