Bonami Software Interview Questions and Answers

Q1. General HR questions
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Q1. SQL questions and questions from my resume
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CRUD operations using flask

Q1. Technical Discussions about the coding test
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Q1. Rate yourself in js, node js, react, MongoDB (separately)
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I have a solid understanding of JS, Node.js, React, and MongoDB, with practical experience in building full-stack applications.
• JavaScript: Proficient in ES6+ features, asynchronous programming, and DOM manipulation. Example: Built a dynamic web app using vanilla JS.

• Node.js: Experienced in building RESTful APIs and handling server-side logic. Example: Developed a Node.js API for a task management app.

• React: Skilled in c...read more
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Q2. Typeof null, typeof undefined, typeof {}, typeof NaN
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Q3. What changes came in es6
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Q4. This keyword, closures, hoisting
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Q5. Are let and cont variables hoisted?
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Q6. What is global context
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Q7. What is temporal deadzone
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Q8. What is modules? types of modules in nodejs
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Modules in Node.js are reusable blocks of code that encapsulate related functionality.
• Modules in Node.js can be built-in modules like fs (file system) or third-party modules like express.

• Modules help in organizing code into separate files for better maintainability and reusability.

• Modules can be imported using the require() function in Node.js.
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Q9. Index in mongodb, why we need index, is index good or bad?
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Indexes in MongoDB improve query performance by allowing the database to quickly locate and retrieve specific documents.
• Indexes help to speed up query performance by allowing the database to quickly locate specific documents based on the indexed fields.

• Without indexes, MongoDB would have to perform a collection scan, which can be slow and resource-intensive.

• Indexes can be created on single fields or compound fields to ...read more
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Q10. What are hooks , use of useRef
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Hooks are a feature in React that allow you to use state and other React features in functional components. useRef is a hook that allows you to create a mutable object that persists for the lifetime of the component.
• Hooks are used to add state and lifecycle methods to functional components in React

• useRef is used to create a mutable reference that persists between renders

• useRef can be used to access DOM elements directl...read more
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Q11. Fs module, http module, worker thread?
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Q12. Why we use mongoose not mongodb driver?
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Coding test consist of 1 hr(Pallindrome, duplicate value, find the minimum number from the array)

Q1. What is Embedded development
Ans. 
Embedded development is the process of creating software that is embedded into hardware devices to control their functions.
• Involves programming microcontrollers or microprocessors

• Requires knowledge of hardware and software interactions

• Common in devices like smartphones, IoT devices, and automotive systems
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Q2. Which cable is used to transfer the data
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Ethernet cable is commonly used to transfer data in networking applications.
• Ethernet cable is commonly used for wired internet connections

• USB cable is used for transferring data between devices like computers and smartphones

• HDMI cable is used for transferring audio and video data between devices like TVs and laptops
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Q3. Logical questions
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Basic Dsa Quetions like array or string

Q1. Basic JavaScript And ReactJs Interview Quetions
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Q1. Discussion on Experience
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Q1. Introduction and Sallary expectation Discussion
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