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Full Stack Development MCQs (Multiple-Choice Questions)

Full Stack Development MCQs: This section contains Full Stack Development Multiple-Choice Questions with Answers. These Full Stack Development MCQs are written for beginners as well as advanced, practice these MCQs to enhance and test the knowledge of Full Stack Development.

List of Full Stack Development MCQs

1. What does the term "Full Stack Development" refer to?

  1. Development that involves stack data structures
  2. Development that involves front-end and back-end programming
  3. Development that involves only backend programming
  4. None of the above

Answer: B) Development that involves front-end and back-end programming

Explanation:

Full Stack Development refers to the development of the front end and back end of a web application. A full-stack web developer designs complete web applications and websites.

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2. Which of the following is not a front-end technology?

  1. HTML
  2. CSS
  3. JavaScript
  4. SQL

Answer: D) SQL

Explanation:

HTML, CSS, and JavaScript are front-end technologies to develop a website while SQL is not a front-end technology; it is used to store and retrieve the data from a database using SQL queries.

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3. The purpose of the Front-end framework in Full stack development is ____.

  1. To provide the client-side interface
  2. To manage database
  3. To reduce the server load
  4. To send http requests

Answer: A) To provide the client-side interface

Explanation:

Front-end development focuses to provide the client-side interface.

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4. Amongst which of the following programming language is used as a server-side language?

  1. Python
  2. C++
  3. JavaScript
  4. Both A and C

Answer: D) Both A and C

Explanation:

Both Python and JavaScript can be used as server-side languages with their respective framework.

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5. What is a Front-end framework?

  1. A development platform for developing user-interface for software applications
  2. A database to store and manage the data of an application
  3. A development platform for writing server-side logic
  4. None of the above

Answer: A) A development platform for developing user-interface for software applications

Explanation:

A framework is a development platform for developing user-interface for software applications.

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6. Database in Full stack development is used to ____.

  1. Styling HTML pages
  2. Storing and retrieving data
  3. Handling errors on server-side
  4. Rendering web pages

Answer: B) Storing and retrieving data

Explanation:

A database is an essential part of the full stack. A database is used to store, retrieve, and manage data.

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7. What is Git?

  1. Framework
  2. Version control system
  3. Database
  4. Package manager

Answer: B) Version control system

Explanation:

Git is an open-source version control system; it is used to manage projects and work together with multiple developers.

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8. CRUD stands for ____.

  1. Create, Read, Upload, Delete
  2. Create, Read, Upgrade, Deploy
  3. Create, Remove, Upgrade, Delete
  4. Create, Read, Update, Delete

Answer: D) Create, Read, Update, Delete

Explanation:

CRUD stands for Create, Read, Update, and Delete. It refers to the four basic operations that can be performed on data.

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9. The term "deployment" refers to

  1. Running the project on a server to make it accessible to all
  2. Bundling all the project files into a single file
  3. Removing unnecessary files
  4. Updating existing project

Answer: A) Running the project on a server to make it accessible to all

Explanation:

Deployment is a process of pushing all the changes made to the project and making it run on a server to access globally.

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10. A web server in Full Stack Development is ____.

  1. Rendering the user interface
  2. Handling client-side interactions
  3. Executing server-side code and processing requests
  4. Writing server-side logics

Answer: C) Executing server-side code and processing requests

Explanation:

A web server is responsible to execute server-side code and processing requests; it generates a response to incoming requests.

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11. Is JavaScript synchronous or asynchronous?

  1. Synchronous
  2. Asynchronous
  3. Both
  4. Synchronous but can be used as asynchronous

Answer: D) Synchronous but can be used as asynchronous

Explanation:

JS is synchronous but it can act as asynchronous using promise and async await.

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12. SPA stands for ____.

  1. Standard Page Application
  2. Single Page Application
  3. Smart Protocol Authentication
  4. Scalable Performance Architecture

Answer: B) Single Page Application

Explanation:

SPA stands for Single Page Application. It is a type of web application architecture; the content can be loaded and updated on a single web page dynamically.

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13. Amongst which of the following is a back-end framework in Python?

  1. Django
  2. Flask
  3. Both A and B
  4. None of the above

Answer: C) Both A and B

Explanation:

Django and Flask are both popular web frameworks for building web applications in Python.

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14. Amongst which of the following type of database is used in Full stack development?

  1. Relational
  2. JSON
  3. XML
  4. GraphQL

Answer: A) Relational

Explanation:

Relational Database is commonly used in Full stack development. It stores data in rows and columns.

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15. Amongst which of the following protocol is used to exchange the data between client and server?

  1. HTTP
  2. TCP/IP
  3. SMTP
  4. FTP

Answer: A) HTTP

Explanation:

The Hypertext Transfer Protocol (HTTP) is an application layer protocol used for data communication over the Internet.

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16. What is the purpose of CSS in Full stack development?

  1. To style and format HTML elements
  2. To manage http request and response
  3. To store and retrieve data
  4. None of the above

Answer: A) To style and format HTML elements

Explanation:

CSS is cascading style sheet and is used to style HTML documents. It is used to create attractive and user-friendly websites and applications.

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17. Which of the following statement is TRUE about AJAX?

  1. AJAX enables asynchronous data retrieval without reloading the entire page
  2. AJAX improves the design layout
  3. AJAX helps in creating dynamic websites
  4. AJAX is a popular query language for Full stack development

Answer: A) AJAX enables asynchronous data retrieval without reloading the entire page.

Explanation:

AJAX is asynchronous JavaScript and XML; it enables asynchronous data retrieval without reloading the entire page.

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18. The role of view in model-view-controller architecture is ____.

  1. Displaying data to the user
  2. Optimize database queries
  3. Handle client's request
  4. Manage server-side routing

Answer: A) Displaying data to the user

Explanation:

The View handles the presentation layer, which involves displaying data and user interfaces to the end-users.

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19. Amongst which of the following is TRUE about model-view-architecture?

  1. The View accesses the data from the Model using AJAX calls
  2. Model and View are independent and do not communicate directly
  3. Model and View communicate via Controller
  4. Model and View communicate directly

Answer: B) Model and View are independent and do not communicate directly

Explanation:

Model and View are independent of each other and do not communicate directly. Model-view architecture makes the code less complex and easier to work with.

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20. Amongst which of the following is not a NoSQL database used in Full Stack Development?

  1. MongoDB
  2. PostgreSQL
  3. CouchDB
  4. Hadoop

Answer: D) Hadoop

Explanation:

Hadoop is not a database. It is an open-source framework that is used to efficiently store and process large datasets.

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21. In HTML, the <iframe> tag is used to ____.

  1. Embed another HTML document or a web page within the current document
  2. Insert a video in the HTML document
  3. Create a frame in an HTML document
  4. None of the above

Answer: A) Embed another HTML document or a web page within the current document

Explanation:

With the help of the <iframe> tag, we can add an HTML document or a web page with the current document so that multiple pages can be embedded on the same page.

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22. Which HTML tag is used to create vector graphics and illustrations?

  1. <canvas>
  2. <svg>
  3. <video>
  4. <details>

Answer: B) <svg>

Explanation:

The <svg> element is an HTML tag used to embed Scalable Vector Graphics (SVG) in HTML documents. It is an XML-based vector graphics format that allows for the creation of high-quality and resolution-independent graphics suitable for web applications and interactive graphics.

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23. Which of the following statement is FALSE about class attributes in HTML elements?

  1. The class attribute is used to assign one or more class names to an HTML element
  2. Class attribute allows applying CSS and JavaScript to HTML elements based on the class name
  3. The class attribute is used to assign an ID to the HTML element
  4. The class attribute is one of the most used attributes in HTML elements

Answer: C) The class attribute is used to assign an ID to the HTML element.

Explanation:

class attribute is used to assign one or more class names to the HTML elements on the basis on which one can style the element while the id is assigned by using the ID attribute.

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24. In an HTML document, which tag is used to add JavaScript code?

  1. <javascript>
  2. <js>
  3. <script>
  4. <java>

Answer: C) <script>

Explanation:

The <script> tag is used to add javascript code in an HTML document.

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25. Which of the following is an array method in JavaScript?

  1. map
  2. every
  3. reduce
  4. all of the above

Answer: D) all of the above

Explanation:

map, every, and reduce are inbuilt array methods in JavaScript.

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26. push() function in JavaScript is used to ____.

  1. Remove an element from the end of an array
  2. Insert an element at the end of an array
  3. Both A and B
  4. Update an element of an array

Answer: B) Insert an element at the end of an array.

Explanation:

The push() function is used to add an element at the end of an array.

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27. In JavaScript, we can embed expressions or variables directly within the template literal using ____.

  1. `${}`
  2. '#'
  3. '$[]'
  4. `#{}`

Answer: A) `${}`

Explanation:

${} inside braces (``) are used to access the variables and expressions.

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28. Amongst which of the following is true about ECMAScript?

  1. It is an alternative to JavaScript
  2. It is used to add interactivity to HTML pages
  3. It is a standard for scripting languages, including JavaScript
  4. It is a subset of JavaScript

Answer: C) It is a standard for scripting languages, including JavaScript.

Explanation:

ECMAScript is a standard for scripting languages, including JavaScript Languages such as ActionScript, JavaScript, and JScript uses ECMAScript as its core.

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29. Which of the following is a type of pop-up box in JavaScript?

  1. alert
  2. console
  3. DOM
  4. canvas

Answer: A) alert

Explanation:

The alert() is a function in JavaScript which interrupts the execution of the JavaScript code and shows the message in a pop-up window.

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30. Which command is used to install the node.js express module?

  1. npm install express
  2. node install express
  3. install express
  4. None of the above

Answer: A) npm install express

Explanation:

"npm" is used to install and manage packages whereas "npm install express" is used to install the node.js express module.

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31. Which of the following is true in the context of npm?

  1. npm is a node project manager and is used to manage node projects
  2. npm is a node package manager and is used to install and manage packages
  3. npm is a new project manager and is used to create new node projects
  4. npm is a new package manager and it used to install new packages

Answer: B) npm is a node package manager and is used to install and manage packages

Explanation:

"npm" stands for node package manager. It is used to install and manage packages.

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32. Props in react are ____.

  1. Props are just arguments for different components
  2. Props are local variables in a function
  3. Props are used to pass data from parent components to child components
  4. None of the above

Answer: C) Props are used to pass data from parent components to child components.

Explanation:

Props are the arguments passed in react components. Props are a fundamental part of the React component system and play a crucial role in building reusable and maintainable UI components.

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33. What are the 3 states of a file in Git?

  1. Staged, Added, Committed
  2. Untracked, Staged, Committed
  3. Untracked, Staged, Added
  4. Untracked, Added, Committed

Answer: C) Untracked, Staged, Added

Explanation:

Git acts as a monitor to manage the project by using three states, i.e., Untracked, Staged, and Committed.

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34. DOM stands for ____.

  1. Document Object Method
  2. Direct Object model
  3. Document Object Model
  4. Document Over Model

Answer: C) Document Object Model

Explanation:

DOM stands for Document Object Model. It is an interface provided by web browsers to manipulate HTML and XML documents dynamically.

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35. What is the significance of virtual DOM in React?

  1. Virtual DOM is easy to use
  2. Virtual DOM is fast
  3. Virtual DOM is a new trend
  4. None of the above

Answer: B) Virtual DOM is fast

Explanation:

Virtual DOM is fast. It uses fast manipulation and an efficient updating mechanism.

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36. Which architectural pattern is used in the Django framework?

  1. MVC
  2. Client-Server
  3. HTML
  4. AJAX

Answer: A) MVC

Explanation:

Django is based on Model-View-Controller (MVC) architectural pattern. The Model in Django represents the data and the business logic of your application.

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37. "SQL" stands for ____.

  1. Standard Query Language
  2. Structured Query Language
  3. Structured Quality Language
  4. Standard Quality Language

Answer: B) Structured Query Language

Explanation:

SQL stands for Structured Query Language which is used to apply basic operations like create, read, update, and delete on the data stored in a database.

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38. What is an API used for?

  1. API is used for the communication between different software applications
  2. API is used for creating a software application
  3. API is used to handle client-side requests
  4. API is a tool for designing the user interface

Answer: A) API is used for the communication between different software applications

Explanation:

API acts as a communication medium between two programs. API can run on some set of protocols that allows different software applications to communicate and interact with each other.

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39. The term "scalability" refers to ____.

  1. The ability of a server to compute complex queries
  2. The ability of a server to handle a large number of users
  3. The ability of a server to manage the rendering of HTML pages
  4. The ability of the server to load HTML pages fast

Answer: B) The ability of a server to handle a large number of users

Explanation:

Scalability is considered the ability of the server to handle large amounts of user traffic and serve each user efficiently.

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40. Amongst which of the following is TRUE about REST APIs?

  1. REST API is a way of accessing web services in a flexible way
  2. REST API exchanges structured data between nodes
  3. REST API uses XML format for transferring messages
  4. None of the above

Answer: A) REST API is a way of accessing web services in a flexible way.

Explanation:

REST API is a set of architectural principles and constraints for designing networked applications that communicate over the Internet.

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41. How many HTTP methods are in REST-based Architecture?

  1. 2
  2. 3
  3. 4
  4. 5

Answer: C) 4

Explanation:

There are 4 HTTP methods in REST-based architecture. These are GET, PUT, POST, and DELETE.

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42. A "middleware" is a ____.

  1. A tool for writing server-side logic
  2. An intermediate layer of application that sits between the client and the server to manage requests and responses
  3. A tool for deploying projects
  4. A backend framework

Answer: B) An intermediate layer of application that sits between the client and the server to manage requests and responses

Explanation:

The middleware is an intermediate layer of application that sits between the client and the server to manage requests and responses. It facilitates communication and manages specific tasks without directly modifying the core functionalities of the application.

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43. Amongst which of the following technology uses "Pipelines" to handle request/response?

  1. Ruby
  2. Express.js
  3. Flask
  4. Spring Boot

Answer: B) Express.js

Explanation:

Express.js uses pipelines as a series of middleware functions that are executed sequentially to incoming HTTP requests.

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44. Amongst which of the following shows the responsibility of a backend developer?

  1. To design the user interface and user experience of the website
  2. To manage the project's version control and code repository
  3. To manage server-side logic, data manipulation, and database operations
  4. To perform testing and debugging of the front-end components

Answer: C) To manage server-side logic, data manipulation, and database operations

Explanation:

The primary role of a backend developer is to manage server-side logic, data manipulation, and database operations.

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45. What are the 3 phases of a React component life cycle?

  1. Mounting, Updating, and Unmounting
  2. Monitor, Updating, Tracking
  3. Mounting, Adding, Unmounting
  4. All of the above

Answer: A) Mounting, Updating, and Unmounting

Explanation:

The React component lifecycle can be broadly divided into three main phases: Mounting, Adding, and Unmounting.

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46. Sass is ____.

  1. Sass is an alternative to CSS
  2. Sass is a pre-processor of CSS that allows the nesting of CSS rules
  3. Sass is a Front-end Framework
  4. Sass is a programming language that is used to add styles and format HTML tags and elements

Answer: B) Sass is a pre-processor of CSS that allows the nesting of CSS rules

Explanation:

Sass is a popular preprocessor of a scripting language that extends the capabilities of CSS. It allows the nesting of HTML elements to style them more effectively.

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47. Project bundlers are ____.

  1. Tools for bundling and packaging JavaScript, CSS, and other assets into optimized files for production
  2. Libraries for making JavaScript asynchronous
  3. Both A and B
  4. None of the above

Answer: A) Tools for bundling and packaging JavaScript, CSS, and other assets into optimized files for production.

Explanation:

Project bundlers, also known as module bundlers, are tools used in web development to package and bundle various source code files and assets into a single, optimized output file.

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48. What is the significance of Spring Boot starter modules?

  1. To add common functionality and dependencies to a project based on the selected starter
  2. To provide the application's entry point for the Spring Boot application
  3. To manage the application's configuration properties
  4. To handle request mapping and routing in a Spring Boot application

Answer: A) To add common functionality and dependencies to a project based on the selected starter

Explanation:

Starter modules streamline the development process by including all the necessary dependencies and configurations for specific use cases.

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49. PHP stands for ____.

  1. Pretty Hyperlink Protocol
  2. Preprocessed Hypertext Pages
  3. Hypertext Preprocessor
  4. Personal Home Page

Answer: C) Hypertext Preprocessor

Explanation:

PHP stands for Hypertext Preprocessor. It is used as a server-side programming language.

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50. Amongst which of the following statement is TRUE about backend development?

  1. Back-end development handles the user interface and interactions
  2. Front-end and back-end development are responsible for the same tasks and can be used interchangeably
  3. Back-end development manages data storage and server-side logic
  4. Back-end development focuses on the client-side code

Answer: C) Back-end development manages data storage and server-side logic

Explanation:

Backend development focuses on handling data processing, business logic, and communication with databases and external services.

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