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Probey Services Private Limited Interview Questions and Answers

Updated 20 Dec 2024

Q1. Plugins that are required in WordPress

Ans.

Some essential plugins for WordPress include Yoast SEO, WooCommerce, Contact Form 7, and Jetpack.

  • Yoast SEO helps with search engine optimization

  • WooCommerce is used for creating online stores

  • Contact Form 7 allows users to easily create contact forms

  • Jetpack provides various features like security, performance optimization, and site management

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Q2. what is the difference between library and a framework ?

Ans.

A library is a collection of functions or classes that can be called by an external program, while a framework is a set of libraries that provide a structure for building applications.

  • A library is used when you want to perform specific tasks, while a framework provides a structure for building an entire application.

  • Libraries are more flexible and allow for more customization, while frameworks have a specific structure that must be followed.

  • Examples of libraries include jQuery...read more

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Q3. What is React, and how does it relate to JavaScript?

Ans.

React is a JavaScript library for building user interfaces, commonly used for creating interactive web applications.

  • React is a front-end library developed by Facebook.

  • It allows developers to create reusable UI components.

  • React uses a virtual DOM to improve performance by only updating the necessary parts of the actual DOM.

  • React can be used with JavaScript to create dynamic and interactive web applications.

  • React components are written in JSX, a syntax extension for JavaScript.

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Q4. What is SDLC ?

Ans.

SDLC stands for Software Development Life Cycle, which is a process used by software developers to design, develop, and test software applications.

  • SDLC is a structured process that consists of several phases such as planning, analysis, design, implementation, testing, and maintenance.

  • Each phase of SDLC has its own set of activities and deliverables to ensure the successful development of software.

  • Examples of SDLC models include Waterfall, Agile, Scrum, and DevOps.

  • SDLC helps i...read more

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Q5. what is JSX ?

Ans.

JSX is a syntax extension for JavaScript often used with React to describe what the UI should look like.

  • JSX stands for JavaScript XML

  • It allows developers to write HTML-like code in JavaScript

  • JSX gets transpiled into regular JavaScript by tools like Babel

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Q6. What about SDLC?

Ans.

SDLC stands for Software Development Life Cycle, a process used by software developers to design, develop, and test software.

  • SDLC is a structured process that consists of several phases such as planning, analysis, design, implementation, testing, and maintenance.

  • Each phase in SDLC has its own set of activities and deliverables to ensure the successful development of software.

  • SDLC helps in improving the quality of software, reducing development time and cost, and ensuring that...read more

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