Interview Questions

Anonymous Panda - " Communication between Mars and Earth is facilitated through various methods and technologies. The primary means of communication is through the use of space probes, particularly those equipped with powerful transmitters and receivers. Here's a general overview of how communication between Mars and Earth works: Deep Space Network (DSN): NASA operates the Deep Space Network, a global system of radio antennas located in California, Spain, and Australia. These antennas are responsible for sending"See full answer

Nilay B. - "int reverse(int x) { int rev = 0; bool isNegative = false; if(x 0){ int r = x % 10; rev = rev * 10 + r; x = x / 10; } if(isNegative){ return -rev; } return rev; } `"See full answer

Valentin B. - "Let me first ask some clarification questions / make assumptions: Any specific geographic region? => USA How do we measure bandwith? a. Bandwith is the maximum internet speed required for our google maps servers to support all google maps traffic in the USA. At which point do we measure bandwith? => at the “entrance” of each google server center Do we talk about maximum bandwith required? a. Yes, the maximum BB required to support google maps in the USA (on side of Google) Outline: O"See full answer

Erjan G. - "1) select avg(session) from table where session> 180 2) select round(sessiontime/300)*300 as sessionbin, count() as sessioncount from table group by round(sessiontime/300)300 order by session_bin 3) SELECT t1.country AS country_a, t2.country AS country_b FROM ( SELECT country, COUNT(*) AS session_count FROM yourtablename GROUP BY country ) AS t1 JOIN ( SELECT country, COUNT(*) AS session_count FROM yourtablename `GROUP BY countr"See full answer

Talles S. - "Me: First, let's design our product and then we will calculate the estimated amount of units sold. Before we begin, is there anything specific about this refrigerator, is this a 'smart refrigerator'? Interviewer: Yes, you can consider this is a smart refrigerator but the overall design is up to you. Me: Thank you, one more question, do we have a specific user in mind? Younger people? Retirees? Interviewer: No, you can select the user base based on your prioritization, but theoretically it cou"See full answer

Saket S. - "I will use the following approach for this situation: Understand Current Status of the Program: Program Goals, Schedule, How many teams, what are their deliverables, dependencies between teams Team level view of progress: Through tools like Burn down charts, Gantt charts etc. Identify laggards (lagging teams). Trend analysis for lagging teams: Understand at what point, the decline started. If the decline has started around same time, then following may be the potential issues: -"See full answer

Dhruvin S. - "Clarifying questions, Establish problem, Factors to take into account. Dive in with the numbers request specific numbers based on follow up questions, Calculate based on the numbers and Final Recommendation"See full answer

Malvika S. - "Top three most important variables Uber could use to estimate the ETA for passenger pickup, beyond the ETA on Google Maps can be: Driver related - sometimes driver cancel rides after they are assigned or agree to pickup, especially at odd hours. Sometimes, they can also cancel midway through their journeys. Other factor can be that they drive slower or faster than google maps ETA. Car related - The car may be old or not maintained well than other cars. It can be CNG, Diesel, petrol or elec"See full answer

Anjesh D. - "I had multiple RCA to complete and each one had a deadline but the process to complete them wasn't streamlined which cause some of them to miss SLA and point of contact felt frustrated as she has no information to give to customer. I received feedback that what blocked me to move forward on those and how can I do better next time?"See full answer

GalacticInterviewer - "I first clarified what he needed for the leaderboard meaning did he need a gaming leaderboard system, a stock market leaderboard system where the trades placed would be ranked in terms of values or a coding platform leaderboard where the users are ranked as per the points earned by solving the problem? He answered that he wanted a multipurpose leaderboard system He was specifically interested in the design of the api part Explained him that assuming we had a flask api there would be a get re"See full answer

Nikita B. - "Mission for TikTok shop is to increase brand growth and sales. TikTok gives platform to these brands/advertiser to market their products via influencers/creators to be able to sell their products faster and users on tiktok platform(mainly Gen-z) are motivated to make inspirational based discovery of products and purchase them So main objective for TikTok shop could be Increase sales for diverse brands So, some of the metrics to consider would be: no of orders placed per week"See full answer

Rick E. - " from typing import List def getnumberof_islands(binaryMatrix: List[List[int]]) -> int: if not binaryMatrix: return 0 rows = len(binaryMatrix) cols = len(binaryMatrix[0]) islands = 0 for r in range(rows): for c in range(cols): if binaryMatrixr == 1: islands += 1 dfs(binaryMatrix, r, c) return islands def dfs(grid, r, c): if ( r = len(grid) "See full answer

Tudonu T. - "I just explained benefits to them"See full answer