Vertisystem Power BI Developer Interview Questions and Answers

Q1. Map reduce filter in javascript
Ans. 
Map, reduce, and filter are higher-order functions in JavaScript used to manipulate arrays.
• Map: Transforms each element in an array and returns a new array with the transformed elements.

• Reduce: Reduces an array to a single value by applying a function to each element.

• Filter: Creates a new array with elements that pass a certain condition.
Answered by AI
Add your answer
Q2. Exception handling
Add your answer

They just gave me an assessment with a few questions to test my subject knowledge

Q1. They asked me all the general questions and a few technical questions
Add your answer

The aptitude test evaluates problem-solving, coding skills, and logical reasoning, offering a fair challenge to showcase technical expertise.

Q1. How do you handle conflicts in a team project?
Ans. 
I address conflicts in team projects by promoting open communication, active listening, and seeking compromise.
• Encourage open communication among team members to address conflicts early on

• Practice active listening to understand all perspectives and concerns

• Seek compromise and find common ground to resolve conflicts effectively
Answered by AI
Add your answer
Q2. What is the difference between an interface and an abstract class?
Ans. 
Interface is a contract that defines the methods a class must implement, while an abstract class can have both implemented and abstract methods.
• Interface can only have abstract methods and cannot have any implementation, while abstract class can have both abstract and implemented methods.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Interfaces are used to achieve multiple inheri...read more
Answered by AI
Add your answer

Had to brief about myself, my technical skills and projects. Few Technical questions regarding the tech stack and casual discussion.

Q1. Diff btw vite and webpack
Ans. 
Vite is a build tool that focuses on fast development, while Webpack is a more versatile and powerful build tool.
• Vite is designed for fast development with instant server start and hot module replacement.

• Webpack is a more versatile tool that can handle complex configurations and optimizations.

• Vite uses ES modules natively for faster bundling, while Webpack requires additional plugins for the same functionality.

• Vite is ...read more
Answered by AI
Add your answer
Q2. What is currying in js
Ans. 
Currying is a technique in functional programming where a function with multiple arguments is transformed into a sequence of nested functions, each taking a single argument.
• Currying helps in creating reusable functions and partial application.

• In JavaScript, currying can be achieved using closures and nested functions.

• Example: const add = (a) => (b) => a + b; const add5 = add(5); console.log(add5(3)); // Output: 8
Answered by AI
Add your answer

Q1. What is currying in javascript?
Ans. 
Currying is a technique in functional programming where a function with multiple arguments is transformed into a sequence of nested functions, each taking a single argument.
• Currying helps in creating reusable functions and partial application.

• In JavaScript, currying can be achieved using closures and nested functions.

• Example: const add = (a) => (b) => a + b; const add5 = add(5); console.log(add5(3)); // Output: 8
Answered by AI
Add your answer
Q2. Diff btw webpack and vite
Ans. 
Webpack is a mature and feature-rich bundler, while Vite is a newer and faster build tool focused on development experience.
• Webpack is a mature and feature-rich bundler that is highly configurable and widely used in the industry.

• Vite is a newer build tool that focuses on providing a faster development experience by leveraging ES modules and server-side rendering.

• Webpack requires a configuration file (webpack.config.js)...read more
Answered by AI
Add your answer

Q1. React Todo List
Add your answer
Q2. Closure in Javascript
Ans. 
Closure in JavaScript allows a function to access variables from its outer scope even after the outer function has finished executing.
• Closure is created when a function is defined within another function and the inner function references variables from the outer function.

• The inner function maintains a reference to the outer function's scope, allowing it to access those variables even after the outer function has return...read more
Answered by AI
Add your answer

Q1. Basic flutter coding questions
Add your answer