Online Exam Quiz

questionQuestion  1 to 30

Which of the following is a NoSQL database?

  • MySQL
  • PostgreSQL
  • MongoDB
  • SQLite
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Which HTTP method is used to update a resource?

  • GET
  • POST
  • PUT
  • DELETE
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What does HTML stand for?

  • Hypertext Markup Language
  • Hyperlink Markup Language
  • Hyperlink and Text Markup Language
  • Home Tool Markup Language
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What is the purpose of the 'map()' function in JavaScript?

  • To transform each element in an array
  • To filter elements in an array
  • To find elements in an array
  • To sort elements in an array
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Which HTML tag is used to define an unordered list?

  • <ul>
  • <ol>
  • <li>
  • <list>
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Which company developed the React library?

  • Google
  • Facebook
  • Microsoft
  • Apple
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In CSS, which property is used to set the spacing between lines of text?

  • line-height
  • spacing
  • text-spacing
  • letter-spacing
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What is the main purpose of using Docker in development?

  • To deploy websites
  • To create virtual machines
  • To containerize applications
  • To manage databases
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What is the correct HTML for adding a background color?

  • <background>yellow</background>
  • <body bg="yellow">
  • <body style="background-color:yellow;">
  • <bg>yellow</bg>
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Which of the following is a frontend framework?

  • Flask
  • Spring
  • Angular
  • Django
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What is the default value of the 'flex-direction' property in CSS flexbox?

  • row
  • column
  • row-reverse
  • column-reverse
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Which of the following is a JavaScript framework?

  • Laravel
  • Django
  • Angular
  • Rails
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Which of the following is a backend programming language?

  • HTML
  • CSS
  • JavaScript
  • Node.js
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What is the purpose of the 'componentDidMount()' method in React?

  • To handle form submissions
  • To fetch data after component mounts
  • To initialize state
  • To update state
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Which of the following is used to style React components?

  • CSS
  • SCSS
  • Styled-components
  • Less
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Which tag is used to define a hyperlink in HTML?

  • <a>
  • <link>
  • <href>
  • <hyperlink>
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Which of the following is a common backend framework for Node.js?

  • Express
  • Flask
  • Laravel
  • Symfony
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Which tag is used to create a drop-down list in HTML?

  • <select>
  • <dropdown>
  • <list>
  • <datalist>
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In JavaScript, which function is used to parse a JSON string?

  • JSON.parse()
  • JSON.stringify()
  • parseJSON()
  • JSON.convert()
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In HTML, which attribute is used to specify the URL of an image?

  • href
  • src
  • link
  • url
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What is the purpose of CSS in web development?

  • To add interactivity
  • To style HTML documents
  • To store data
  • To structure content
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What is the purpose of the 'flexbox' layout in CSS?

  • To create a flexible layout
  • To create grid layouts
  • To add animations
  • To control visibility
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Which of the following is a JavaScript testing framework?

  • Mocha
  • Selenium
  • JUnit
  • Cucumber
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What is the correct HTML element for inserting a line break?

  • <lb>
  • <br>
  • <break>
  • <line>
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What does the acronym REST stand for?

  • Representational State Transfer
  • Representational Structured Transfer
  • Reliable State Transfer
  • Resource State Transfer
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Which of the following is a relational database?

  • MongoDB
  • Cassandra
  • MySQL
  • DynamoDB
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In JavaScript, which method is used to convert an array to a string?

  • toString()
  • join()
  • concat()
  • slice()
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Which of the following is used to improve website performance?

  • Lazy loading
  • Blocking scripts
  • Large images
  • Unminified CSS
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Which CSS framework is known for its responsive design capabilities?

  • Bootstrap
  • Foundation
  • Materialize
  • Tailwind
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Which HTML tag is used to define an internal style sheet?

  • <style>
  • <script>
  • <css>
  • <link>
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