Interview Questions

Beth S. - "The DNS server of the site URL can identify the source of the traffic via GeoIP and redirect it to the Amazon services closest to that location. The load balancer, installed before the web server, can manage the load and redirect traffic to redundant services."See full answer

Exponent - "This is a Strategy Question, which asks you to justify high-level business decisions and strategy. There's no set formula, but we recommend proposing at least three different reasons to answer the question. Let's go over one possible solution: > To me, it would have to be Instagram. I'll provide three reasons why:Trends towards photos: Before the Instagram acquisition, many people were trending towards using photos as conversation topics rather than text posts. This was present not only on F"See full answer

Exponent - "This is a Strategy Question, which asks you to justify high-level business decisions and strategy. There's no set formula, but we recommend proposing at least three different reasons to answer the question. Let's go over one possible solution: > It definitely did. Here are three ways I think we could improve how we operate to prepare for another pandemic. A Work From Home Culture > One major way we were impacted was through how we operate as teams. Working from home became the new norm, a"See full answer

Exponent - "This is a Strategy Question, which asks you to justify high-level business decisions and strategy. Before jumping in, we should evaluate which type of strategy question we're attempting to answer and propose multiple reasons or solutions. Let's go over one possible solution: > There's a few reasons why Facebook may have built the portal. My top three reasons would be:Investing in smart home > Owning more upstream value > XR Integration > Investing in smart home > One hypothetical reason"See full answer

Exponent - "This is an Improve a Product question. Let's first go over the Improve a Product formula: Ask clarifying questions Identify users, behaviors, and pain points State product goal Brainstorm small improvements Brainstorm bolder improvements Measure success Summarize Now, let's begin! Ask clarifying questions Before we begin listing off recommendations, it's important you ask questions to ensure you and the interviewer are on the same page"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 It's important to get clarity on anything unclear. Asking questions also helps us limit scope early on s"See full answer

Chetak C. - "Probability that one of the coupons is used = 1 - Probability that no coupon is used = 1 - nC0 p^0 * (1-p)^n = 1 -(1-p)^n"See full answer

Ayush B. - "focus was on tradeoffs of diff object detection algorithms, data collection and labelling, foundational models, followup: not working well in production, retraining/active learning"See full answer

Georgi S. - "Predicting user behavior generally is hard, unless you incorporate in all your product changes some kind of psychology based trigger or make behavior science-driven changes. For example creating scarcity like Booking.com who tell you that the rooms are about to be booked by someone else, or that others are looking at the property or booking actively today. Otherwise you'd have to rely on A/B testing and feature flags to release and measure the impact of product updates. A/B testing is a statis"See full answer

Luke P. - "A full stack developer could be summarized as the person who both writes the APIs and consumes the APIs. They are familiar with Databases/Data-layer services, middle-layer/application services and business logic, and finally familiar with the consumers whether front-end applications/UIs or other systems. They can understand the trade-offs up and down the stack, where to adjust along the service-call-path. Ideally they are comfortable programming both async calls (front end javascript promises, e"See full answer