Interview Questions

Gk K. - " can we use blomfilters to check existing usernames? and if both are creating at a time, like both are choosing some abcd , here system checks whether user with that name exists or not. so while checking , it will add an entry on redis (example) with this name as key and obtain lock using some distributed lock. , it will lock on that name. (like seat booking in bookmyshow) with some TTL value. so this check will happen once user enters his interest username and also while submit .. 2 times che"See full answer

Kevin S. - "The question given is intentionally very open ended. As the key phrases used are "air travel" which can encompass all parts of the journey not just the airport or flight experience & "improve the perception" which doesn't necessarily require fixing the problem (although you'd hope that was part of the conclusion). In addition, the constraints of time (1-year) and resources ($10M) means you must be very prescriptive. As such I think it'd be important to ask the following clarifying questions"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

K.nithish K. - "MOD = 10**9 + 7 def max_stability(reliability, availability): max_stability = 1 for r, a in zip(reliability, availability): Compute stability of the current server stability = r * a if stability != 0: Multiply into max_stability and take modulo maxstability = (maxstability * stability) % MOD return max_stability reliability = [1, 2, 2] availability = [1, 1, 3] print(max_stability(reliability, availability)) # Output the result mo"See full answer

Shreejal L. - "Clarifying questions: Should I include the tail of the helicopter when computing the area for this question? Can I assume that the average ping pong ball has a radius of around 1 inch? Assumption: Assume that the helicopter is more circular than a rectangle. Hence use the formula of a circle in computing the area. Assume that the helicopter's radius is 5 feet a 6 feet person can't stand on the helicopter because they're tall for it hence rounding down. Assume that th"See full answer

Teja G. - "Modernizing banking legacy systems and applications The modernization process typically involves moving from mainframe-based legacy platforms to solutions based on cloud and other modern digital technologies"See full answer

Pramod S. - "Engineering Managers (EMs) juggle multiple responsibilities, which can vary significantly depending on the company, team, and organizational needs. One of the most critical skills for an EM is strategic thinking. This includes setting a clear vision for the team, participating in roadmap planning meetings, and crafting actionable roadmaps to guide the team toward its goals. In addition to strategic thinking, an EM must excel in three key areas: People Management: This involves ensuring te"See full answer

Rohit K. - "First, let's align the Airbnb homepage with Airbnb's mission. Airbnb's mission is to "create a world where anyone can belong anywhere by providing healthy travel that is local, authentic, diverse, inclusive and sustainable." The homepage serves as the primary entry point for both potential guests and hosts, setting the stage for their journey and embodying this mission. Now, for the goals of Airbnb homepage, we can consider different aspects like awareness, engagement, and ultimately, driving bo"See full answer

Bradley E. - "I'm pretty sure Exponent's answer is wrong. In the snippet below, they use "pl.name = 'Telephones' to attempt to filter down to the Telephone transactions, but they do this within a LEFT JOIN which means all product_lines rows are returned. > LEFT JOIN product_lines pl > ON p.productlineid = pl.id > AND pl.name = 'Telephones' Below is my solution. Also, I didn't see anywhere that said the "amount" column was in cents instead of dollars, but I still divided by 100 to be consistent with Exp"See full answer

Laura S. - "Clarifying questions: is this a brand new product, or are we improving an existing one? (i.e. are we going to have to migrate an existing codebase or are we starting from scratch?). are we resource-strapped (e.g. # engineers, time)? are there any specific priorities for the product, or should i leave it open-ended? Assume: brand new product, well-resourced, no specific priorities. It seems that there are two sides to this question: 1) technical evaluation of different languages, and 2)"See full answer

Michael B. - "Write a function which Caesar ciphers all the strings so that the first character is "a". Use ascii code points and the modulo operator to do this. Use this function to create a hashmap between each string and the CC-a string. Then go through each key:value pair in the hashmap, and use the CC-a ciphered value as the key in a new defaultdict(list), adding the original string to the value field in the output."See full answer

Jyoti V. - "Over-fitting of a model occurs when model fails to generalize to any new data and has high variance withing training data whereas in under fitting model isn't able to uncover the underlying pattern in the training data and high bias. Tree based model like decision tree and random forest are likely to overfit whereas linear models like linear regression and logistic regression tends to under fit. There are many reasons why a Random forest can overfits easily 1. Model has grown to its full depth a"See full answer

Davide P. - "Microsoft's mission is to empower every person and every organisation on the planet to achieve more. I am always inspired by helping others to achieve more by participating to different volunteer and mentorship experiences like Microsoft Student Ambassador, and GeeksForGeeks student ambassador, and I have also created and shared a free competitive-programming guide which once reached more than 700 stars on github, that enables students and professionals to join Microsoft like Microsoft, that hav"See full answer

Dhruv M. - "During my internship at Datavibe Insights, I was initially brought on to assist with routine data cleaning and Excel reporting for the procurement team. My main task was to support weekly report generation, but I noticed inefficiencies in how data from multiple vendors was being manually compiled and formatted each week. Without being asked, I took the initiative to build an automated reporting tool using Excel Power Query and macros. It cleaned, merged, and visualized the data with a few clicks"See full answer

Tamil selvan R. - "May I know which tool is being used to draw flow diagram?"See full answer

Adib M. - "Clarifying question: Do I know of this other team? Have i worked with them before? Do i know the TPM of this team B? 1) Schedule 1-1 TPM of this other team (Team B) with the agenda to better understand Team B project 2) State that you came to know that Team B is working on what sounds like a project similar to your team and you want to understand more about it to see what is common /what is different, what are the objectives and who the stakeholders are and so on. Also, important to know how f"See full answer