Questions that have appeared at Microsoft for a engineering (Case Study) interview.

1. System Design

Question: How would you design a system for a news aggregation application, considering scalability as a priority?

Question: How would you architect a global, multi-player online gaming system?

Question: Design a system for a ride-sharing app like Uber, considering peak time loads, location tracking, and real-time updates.

2. Problem-Solving

Question: You are given a scenario where the system crashes when it hits a particular number of concurrent users. How would you investigate and solve this problem?

Question: How would you approach a situation where an application's performance decreases drastically after a new feature is deployed?

Question: How would you handle a situation in which a critical bug is identified in the production environment?

3. Scalability and Optimization

Question: How would you ensure that a cloud-based application efficiently handles a sudden surge in traffic during a specific event or time?

Question: How would you optimize a distributed database system for an application that needs to service millions of users?

Question: How would you go about reducing the load time for a web application that has a lot of high-resolution images and videos?

4. Data Management and Security

Question: Design a system for an application that collects and processes sensitive user data, keeping in mind the security and privacy of the data.

Question: If you were to design a system for a banking application, how would you ensure the security and integrity of the financial transactions?

Question: How would you design a system for a healthcare application that needs to comply with regulations like HIPAA for patient data privacy and security?