MPS Limited Backend Developer Interview Questions and Answers

Q1. Questions Related to Basic JavaScript and Node.js, MongoDB, and Mongoose.js.
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Q2. Basic coding problem to test your JS skills.
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Q3. Mongoose aggregations, SQL Joins
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Q4. Problems on API endpoint
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Q1. It is the same as that of the first round but with some intermediate-level questions.
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Q1. String and String Builder, Solid Principles, Java Concurrency, Collection Framework, OOPs concepts. Spring Framework Basics including IOC container, Dependency Injection, Spring Annotations, Circular Depen...read more
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String related questions, Java 8 related questions.

Q1. Describe a project of when you had to work with functions
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Q2. Describe a project where you had to use unknown project tools
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Array item finding , express app

Q1. Even loop in node
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Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient.
• Node.js event loop is a single-threaded loop that listens for events and executes callbacks

• It uses non-blocking I/O operations to handle multiple requests simultaneously

• Event loop has phases like timers, I/O callbacks, idle, prepare, poll, check, and close callbacks

• setImmediate() and process.nextTick() are used to schedule call
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