Technical Interview Questions

Darpan D. - "Clarifying When we say cloud gaming, we refer to a video gaming experience using cloud computing, right? Assumption: Yes. Understanding of cloud computing first. I'll use some analogies: Imagine you are looking to do heavy computing but don't have a powerful CPU and GPU. CPU and GPU are like your big calculators. You can buy a powerful CPU and GPU, but problems: It costs a lot to buy. It costs a lot to run. You don't need it 24-7. You are not a un"See full answer

Coco H. - "These works often aren't comparable, so that I'd use a balanced portfolio of 20%-30% engineering needs and 70%-80% user needs to satisfy both sides. However, this is only a starting point, if engineering requests more than this baseline then I would use ROI to prioritize."See full answer

Sim S. - "Started with user-groups to identify the differences world wide: speed of internet, how high end devices are The interviewer just wanted to dive into the questions of latency & the technical fast. I then said let's separate out server vs client. On server side, cannot have australian users hitting california servers for data. So must be some sort of global availability of caching. And ensure rapid read out of that cache so something like a redis solution would help. Then switch gears to cli"See full answer

Naga M. - "Based on the required significance level (usually less than 5%) and based on the test power (usually 95%?), I will calculate the required sample size. Once I get the sample size, then I will do the A/B testing until I meet the sample size."See full answer

Samarth S. - "Before we jump into discussion , few Qs which come to my mind in order to narrow the scope are: What kind of security system we are thinking . What do we want to achieve? Is there any biz goal in mind. What security related pain points are we trying to solve. What is the kind of hotel - is it a vacation rental , standalone hotel, highway motel, big chain resorts? What are the current systems being used. I think most of hotels have closed circuit cameras , fire alarms installed in"See full answer

Muhammad qasim Z. - "API is for encoding and sdk is overall componenets"See full answer

Srijita P. - "Clarification question: How many subscription plans are offered by Tinder ? If there is more than one subscription plan, then we need to ask is the fluctuation happening across all plans or in a particular one ? Assumption: Let's say lower priced subscription plan is showing the most fluctuation and there are only two types of plans In this subscription plan which age group is showing the most fluctuation (18-24,25-30, 30+ etc) ? Is there any seasonality trend observed (eg: placemen"See full answer

Sadhana U. - "Know your audience Understand who the end user is and their role within the organization. Adapt technical lingo to lingo that can be understood by the end user. Diagrams of functions with less dense text is helpful for non-technical users. If it presents like a Manual, that's a turnoff. If it presents like a Guide, non-technical people can follow it. Simplify the problem By simplifying the problem you can explain it to your client in her/his own words. Try to use examples from the client'"See full answer

Hmm T. - "Below are few key things enterprises look for in a data center : Location Proximity to target user base Potential risk exposure due to natural calamities (hurricane, storms, tornedos etc) Real estate cost (Service cost will also be proportional to how expensive it is to acquire and run data center) Security Physical security Logical security (Segregation) Industry standard compliance PCI DSS ISO etc Ability to support HA and DR requir"See full answer

Jeet B. - "I contradict the choice of DB for storing App Data in this case, I believe a NoSQL would have been a better choice. Could you please clarify why you chose RDBMS/SQL?"See full answer

Karthik M. - "Assumptions & Clarifications Users have access to all Google Workspace applications like Google Drive, Gmail and the same photo editing tool - let us call this tool - Google Photo Editor (GPhoto). Users can share the images like Google Docs - giving people read-only, read-write / edit access Goals Google's vision is to organize the world's information and make it accessible. GPhoto's mission / goal is to organize the world’s photo and make it accessible to others to view, edit or"See full answer

Musonda C. - "TCP and UDP are ways in which data is transferred over the internet. TCP needs to have a connection between the two hosts in order for data to be transferred, while UDP begin the transfer without waiting for a connection between the two hosts. This makes UDP faster, but not as reliable as TCP because there is a chance the data transfer wont happen in UDP due to the uncertainty of the connection. TCP is used where reliable data transfer is crucial e.g file transfers, email, web browsing and UDP"See full answer

Adib M. - "Manage Programs that are in flight Track the progress vs Plan and see if things are on track, falling behind Monitor Risks and update current and any new risks identified and mitigation approach Communicate updates to stakeholders (weekly/biweekly as agreed) Communicate status to peer TPM and partnering teams Daily sync with Engg (like a timeboxed daily Standup to understand Daily Plan and any impediments raised that need resolving) Facilitate Reviews with Product Manager as features"See full answer

Parth S. - "Assuming that trades will have information like trade_type buy or sell trade_price with these tuples, one can iterate over each trade while maintaining a stack which maintains all the open buy trades. If we encounter a sell trade then we pop one element make it a buy/sell pair and calculate the profit/loss for that pair. Moreover, keep adding pair-wise profit/loss to calculate overall profit as we continue iterating over trades. At the end print pairs and their profit/loss along with"See full answer