Zamil Hvac Site Supervisor Interview Questions and Answers for Experienced

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
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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
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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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Online coding round was conducted .

Q1. Java question, selenium questions, testing
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Q1. Why, how when how much
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Q1. What is your previous experience?
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Q2. What kind of job you want to do?
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