AppZen Technical Support Executive Interview Questions and Answers

2 DSA questions Both are from DP

Q1. 2 Questions , 1 is DSA
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Q2. Second question is Puzzle
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Q1. Introduce Yourself
Ans. 
I am a data analyst with a background in statistics and experience in analyzing large datasets to drive business decisions.
• Graduated with a degree in Statistics

• Proficient in data analysis tools such as Python, R, and SQL

• Experience in creating visualizations to communicate insights

• Strong problem-solving skills
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Q2. Skills you have
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Q1. Aap kiskey relative ya reference ho ?
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Q2. How early you can join ?
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Q1. About you role in previous company and domain knowledge
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Q2. Buttering karini hogi kar sakoge ?
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Q1. Promises in javascript
Ans. 
Promises in JavaScript are objects representing the eventual completion or failure of an asynchronous operation.
• Promises are used to handle asynchronous operations in JavaScript.

• They can be in one of three states: pending, fulfilled, or rejected.

• Promises can be chained using .then() to handle success and .catch() to handle errors.
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Q1. Resume based questions
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Q2. Event loop in nodejs
Ans. 
Event loop in Node.js manages asynchronous operations by executing callback functions when certain events occur.
• Event loop is responsible for handling I/O operations, timers, and callbacks in Node.js

• It allows Node.js to perform non-blocking operations efficiently

• Event loop continuously checks the event queue for new events to execute
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Q3. Javascript es6 questions
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Technical mcq from basic of dsa

Question from DSA and time will given to solve it

DSA MCQ in online platform

Basic closings like lists/array/string