Bytize Technology Solutions Full Stack Developer Interview Questions, Process, and Tips

Q1. CSS(grid,flex) React/React Native(Hooks,Redux,React Native Bridge),Javascript(Higher Order Functions,protoypes),Typescript(Generics),HTTP methods(Differnces between them),Node & Express(CORS,App structure,...read more
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Q2. Write a O(N) function to return the second largest number in an array(Only in JS)
Ans. 
Write a O(N) function to return the second largest number in an array in JavaScript.
• Iterate through the array and keep track of the largest and second largest numbers.

• Handle edge cases like when the array has less than 2 elements.

• Return the second largest number found.
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Q3. Write a function to return an Object when the given params are an Object and an array containing the keys.
Ans. 
Function to return an Object using given Object and array of keys.
• Create a function that takes an Object and an array of keys as parameters.

• Iterate through the array of keys and check if each key exists in the Object.

• Create a new Object with the keys and corresponding values from the original Object.
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The coding test was of 1hr(later to 1.45hr) It involved this question Crypto Square(Codedamn site)
Solved 90% as I had misread the final part where I had to assign it spaces

Q1. This process will take me a week's time Will update in a week.
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Q1. What is sockets? Difference between websockets and html rewuests
Ans. 
Sockets allow real-time communication between a client and server. Websockets provide full-duplex communication, while HTML requests are one-way.
• Sockets enable bidirectional communication between a client and server in real-time

• Websockets provide full-duplex communication, allowing both the client and server to send messages at any time

• HTML requests are one-way communication where the client sends a request to the serv
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Q2. What is aggregation in mongoDB
Ans. 
Aggregation in MongoDB is the process of manipulating and processing data to return computed results.
• Aggregation framework is used to perform operations like grouping, filtering, sorting, and transforming data.

• It allows for complex operations on data stored in MongoDB collections.

• Aggregation pipelines consist of stages where each stage performs a specific operation on the data.

• Example: db.collection.aggregate([{$group:...read more
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Array and string manipulation

Q1. Tell me about yourself
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Q1. I was questioned on the fundamentals of HTTP methods and CSS position properties.
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Q1. I was questioned and given the task of coding CSS, react state management, and database queries.
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Q1. I was questioned on the fundamentals like my experience, resume, and my future plans.
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