iEnergizer Technical Engineer Interview Questions and Answers

Q1. Normal js questions
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Q2. React - create a to do list
Ans. 
Create a to do list using React
• Create a new React project using create-react-app

• Create a component for the to do list

• Use state to manage the list of tasks

• Allow users to add new tasks and mark tasks as completed

• Style the to do list using CSS or a UI library like Material-UI
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Q3. What you know about typescript
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TypeScript is a superset of JavaScript that adds static typing and other features to help developers write more robust code.
• TypeScript is a statically typed language that compiles to plain JavaScript

• It supports modern JavaScript features like classes, interfaces, and modules

• TypeScript helps catch errors at compile time, making code more reliable and maintainable
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Q1. Normal js questions
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Q2. Write a map function.
Ans. 
A map function applies a given function to each element of an array and returns a new array with the results.
• Use the map function to iterate over each element of the array

• Pass a callback function as an argument to the map function

• The callback function should take the current element as input and return the transformed element

• Example: const arr = ['apple', 'banana', 'cherry']; const newArr = arr.map(item => item.toUpper
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Q1. What is role in your project?
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Q2. What challenges you faced in your career?
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There was logical, Grammar

Q1. Knowing about the problem solving
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Q1. Technical round with Technology Analyst or else with Technology Lead as per Job level of the interviewee and experienced
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Q1. The project Manager round or else with Delivery Manager round depends on the Job level of the interviewee and experienced
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Q1. HR round for Salary negociation
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Q1. Tell me about yourself
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Q1. Networking questions
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Q1. Salary related and flexibility checking
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Q1. Introduce your self
Ans. 
I am a dedicated and experienced Technical Support Executive with a strong background in troubleshooting and customer service.
• Over 5 years of experience in providing technical support to customers

• Proficient in troubleshooting hardware and software issues

• Excellent communication skills and ability to explain technical concepts to non-technical users

• Strong problem-solving skills and ability to work under pressure

• Certified
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Q2. Long carrier gap
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Q1. Tel me about family
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I come from a close-knit family with parents, siblings, and extended relatives who support and care for each other.
• My parents have always been my biggest supporters and have taught me important values and life lessons.

• I have a close relationship with my siblings and we enjoy spending time together, whether it's going on family vacations or just hanging out at home.

• I also have a strong bond with my extended family membe...read more
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Q2. Tel about hobbies
Ans. 
My hobbies include playing guitar, hiking, and reading.
• Playing guitar helps me relax and express myself creatively.

• Hiking allows me to explore nature and stay active.

• Reading helps me learn new things and escape into different worlds.
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Q1. Technical stack in mobile application?
Ans. 
The technical stack in mobile application includes programming languages, frameworks, libraries, and tools used to develop the app.
• Programming languages: Java, Kotlin, Swift, Objective-C

• Frameworks: React Native, Flutter, Xamarin

• Libraries: Retrofit, Alamofire, Glide, Picasso

• Tools: Android Studio, Xcode, Visual Studio

• Other technologies: RESTful APIs, Firebase, Push notifications
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Q2. Native library’s in ios ?
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Native libraries are pre-compiled code that can be used in iOS apps for various functionalities.
• Native libraries are written in languages like C, C++, and Objective-C.

• They can be used for tasks like image processing, audio and video playback, and networking.

• Examples of native libraries in iOS include Core Data, Core Graphics, and Core Animation.
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Q1. To resolve user issue, which software you will choose for to take remote.
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