Top-notch Full Stack Development Test - 81+ MCQs: Full Stack Development Quiz: Test Your Proficiency in Frontend and Backend Technologies

1. What does the term 'frontend' refer to in full-stack development?

The part of a website or application that users interact with

The server-side code handling database operations

The security protocols protecting a website

The process of debugging and testing code

2. In the context of databases, what is a 'foreign key'?

A key used for encryption

A key representing a unique identifier in another table

A key used for sorting data

A key used in a loop

3. In the context of databases, what is MongoDB?

A programming language

A type of server

A database management system

An operating system

4. What does the 'border-radius' property control in CSS?

The size of a border

The color of a border

The shape of the corners of an element

The spacing between elements

5. How does 'npm' differ from 'npx' in Node.js?

npm is used for installing packages, while npx is used for package execution

npx is used for installing packages, while npm is used for package execution

They are interchangeable and serve the same purpose

npm and npx are two names for the same package manager

6. What is the purpose of the 'async/await' syntax in JavaScript?

To declare variables asynchronously

To handle exceptions in asynchronous code

To create asynchronous functions

To disable asynchronous behavior

7. In the context of databases, what does 'ACID' stand for?

Automated Code Integrity Detection

Atomicity, Consistency, Isolation, Durability

Advanced Cryptographic Information Decryption

Asynchronous Content Integration Design

8. What is the purpose of the 'git' version control system in software development?

To create graphic user interfaces

To manage project timelines

To track changes in source code and collaborate on software development

To optimize database structure

9. What is the purpose of the 'express' framework in Node.js?

To define styles and layouts

To handle server-side rendering

To create a web server and simplify route handling

To optimize frontend performance

10. What is the purpose of the 'CORS' policy in web development?

To define the structure of a webpage

To optimize frontend performance

To handle HTTP requests

To control which domains can access a resource

11. In the context of databases, what is a 'composite key'?

A key used for encryption

A key used in a loop

A key representing a unique identifier in another table

A key formed by multiple columns to uniquely identify a record

12. Explain the differences between synchronous and asynchronous programming.

Synchronous programming allows multiple tasks to run concurrently

Asynchronous programming involves tasks that run one after the other

Synchronous programming is more efficient than asynchronous programming

Asynchronous programming allows tasks to run concurrently without blocking the main thread

13. What is the purpose of the 'this' keyword in JavaScript?

To declare variables

To create anonymous functions

To refer to the current execution context

To define global variables

14. How do you declare a variable in JavaScript?

var myVar = 10;

int myVar = 10;

let myVar = 10;

myVar = 10;

15. What is the purpose of 'JWT' in web development?

To create dynamic animations

To manage server-side operations

To handle HTTP requests

To securely transmit information between parties as a JSON object

16. What role does 'React Router' play in a React application?

To manage state in React components

To optimize frontend performance

To handle routing in a single-page application

To define the structure of a database

17. What is the purpose of the 'try...catch' statement in JavaScript?

To create loops

To handle exceptions and errors

To define functions

To execute code immediately

18. Explain the concept of prototypal inheritance in JavaScript.

It allows copying properties from one object to another

It enables the creation of classes and objects

It involves inheriting properties and methods from a parent object

It is not supported in JavaScript

19. Explain the role of a reverse proxy in web development.

To encrypt data transmitted between the client and server

To handle incoming client requests and distribute them to the appropriate servers

To secure database connections

To optimize front-end performance

20. What does the 'text-align' property control in CSS?

The color of text

The alignment of text within an element

The font size of text

The spacing between lines of text

Full Stack Development MCQ Test 4