KK Digital Services Interview Questions and Answers

Q1. Architecture, Design, Proposal and All functoonal
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Q2. Detailed technical discussion
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Q1. Deep dive in design & architecture
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Q2. Deep dive in technical
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Q1. Tech cum management
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Q2. Stakeholder related
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Based on my CV, they assigned me a task related to data migration.

Q1. Project reviews
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Q2. Attendance regarding
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Q1. Which method is used to remove whitespace from beginning and end in python
Ans. 
strip() method is used to remove whitespace from beginning and end in Python
• Use the strip() method on a string to remove whitespace from both beginning and end

• Example: ' hello '.strip() will return 'hello'

• Example: ' hello '.strip(' h') will return 'ello'
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Q2. Which of the following is not a valid http method a) GET b)Post c) send d)Put
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Q1. What were the basic JavaScript questions asked during the interview it was an easy round
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Q2. What is event loops
Ans. 
Event loops are mechanisms in programming languages that allow for asynchronous execution of code.
• Event loops handle the execution of multiple tasks in a non-blocking manner.

• They continuously check for tasks in the event queue and execute them one by one.

• Event loops are commonly used in JavaScript to handle asynchronous operations like setTimeout, setInterval, and AJAX requests.
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Q3. Bind call apply
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Q1. Question related to frontend and a bit of backend interview was intermediate level
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Q1. Interview was on full stack development with difficult questions on backend as well as frontend
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Q1. Tell me about your self.
Ans. 
I am a passionate software engineering student with experience in web development and a strong desire to learn and grow.
• Currently pursuing a degree in Computer Science

• Proficient in programming languages such as Java, Python, and JavaScript

• Experience with front-end technologies like HTML, CSS, and React

• Completed internships at tech companies like XYZ Inc.

• Interested in exploring machine learning and artificial intelligen
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Q2. What's your skill and experience.
Ans. 
I have strong skills in programming languages such as Java, Python, and C++, as well as experience with web development and database management.
• Proficient in Java, Python, and C++ programming languages

• Experience with web development using HTML, CSS, and JavaScript

• Familiarity with database management systems like MySQL and MongoDB
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Q1. Asked about my self
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Q2. What experience I had earlier
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Q3. If I could commit to this job
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Q1. Asked about my previous experience
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Q2. Asked if I could commit to this job
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Take home assessment to build an OTP generating service

URL parser for websites

Q1. Interview with Product owner
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Q1. Interview with hiring manager
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Q1. What strategies would you use to optimize a React application?
Ans. 
Optimizing a React application involves code splitting, lazy loading, minimizing bundle size, using memoization, and optimizing rendering performance.
• Implement code splitting to load only necessary code for each route or component.

• Utilize lazy loading to defer loading of non-essential components until they are needed.

• Minimize bundle size by removing unused dependencies, using tree shaking, and optimizing images and ass...read more
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Q2. What are hooks, and what are the different types of hooks?
Ans. 
Hooks are functions that allow developers to use state and other React features in functional components.
• Hooks are introduced in React 16.8 to allow state and other React features in functional components.

• There are different types of hooks like useState, useEffect, useContext, useReducer, etc.

• useState hook is used to add state to functional components.

• useEffect hook is used to perform side effects in functional compone...read more
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