Hotel Barbareek Design Engineer Interview Questions and Answers

Q1. Design a system like youtube
Ans. 
Design a system similar to YouTube for video sharing and streaming
• Implement user authentication and authorization for uploading and viewing videos

• Create a database to store video metadata, user information, and comments

• Develop a recommendation algorithm based on user preferences and viewing history

• Utilize a content delivery network (CDN) for efficient video streaming

• Include features like video monetization, live stream
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Q1. Project related
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Q1. Scenario based question on kafka
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Q1. How to handle labours on site for multiple work?
Ans. 
To handle labours on site for multiple work, effective communication, proper planning, delegation of tasks, and regular monitoring are essential.
• Communicate clearly with the labours about the tasks to be done and the deadlines.

• Plan the work schedule in advance to ensure that each task is assigned to the right labour at the right time.

• Delegate tasks based on the skills and capabilities of the labours to maximize efficie...read more
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Knapsack Algorithm problem

Q1. OOPs concept & Design
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Q1. Can't recall at this time
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Q1. How to design scalable system
Ans. 
Designing a scalable system involves considering factors like load balancing, horizontal scaling, and fault tolerance.
• Utilize load balancing to distribute traffic evenly across servers.

• Implement horizontal scaling by adding more servers to handle increased load.

• Ensure fault tolerance by designing for redundancy and failover mechanisms.

• Use caching and database sharding to improve performance and scalability.

• Consider mic...read more
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Q2. How to debug and optimize code
Ans. 
Debugging and optimizing code involves identifying and fixing errors and improving performance.
• Use debugging tools like breakpoints, print statements, and logging to identify issues

• Analyze code for inefficiencies and refactor where necessary

• Optimize algorithms and data structures for better performance

• Profile code to identify bottlenecks and optimize critical sections

• Test changes to ensure they improve performance with
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