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MEAN Stack MCQs | JavaInUse

MEAN Stack MCQs

Q. What does MEAN stand for in the context of web development?

MongoDB, Express.js, Angular, Node.js
MySQL, Ember.js, Apache, Nginx
MariaDB, Electron, Aurelia, Nest.js
Mongoose, EJS, Axios, Next.js

Q. Which of the following is NOT a part of the MEAN stack?

MongoDB
Express.js
React
Node.js

Q. What is MongoDB in the MEAN stack?

A JavaScript runtime
A NoSQL database
A front-end framework
A web application framework

Q. What is the primary purpose of Express.js in the MEAN stack?

To manage the database
To handle server-side logic and routing
To create dynamic user interfaces
To compile TypeScript code

Q. Which of the following best describes Angular in the MEAN stack?

A server-side framework
A database management system
A front-end framework for building dynamic web applications
A package manager for JavaScript

Q. What is the role of Node.js in the MEAN stack?

To provide a runtime environment for server-side JavaScript
To manage the database connections
To handle client-side routing
To compile TypeScript to JavaScript

Q. Which of the following is true about the MEAN stack?

It uses different programming languages for front-end and back-end
It is a proprietary stack owned by Microsoft
It allows developers to use JavaScript throughout the entire stack
It requires a relational database for data storage

Q. What is the primary language used in Angular development?

JavaScript
TypeScript
Python
Java

Q. Which of the following is NOT a feature of MongoDB?

Document-oriented storage
ACID transactions
Horizontal scalability
SQL-like query language

Q. What is the purpose of npm in the MEAN stack?

To manage the database
To handle server-side routing
To manage package dependencies
To compile TypeScript code

Q. Which of the following is a key feature of Express.js?

Two-way data binding
Object-relational mapping
Middleware support
Virtual DOM





Q. What is the purpose of the Angular CLI?

To manage database connections
To create and manage Angular projects
To handle server-side routing
To optimize MongoDB queries

Q. Which of the following is NOT a core module in Angular?

BrowserModule
FormsModule
HttpClientModule
ExpressModule

Q. What is the purpose of the `$set` operator in MongoDB?

To create a new collection
To update specific fields in a document
To delete a document
To perform aggregation operations

Q. Which of the following is used for dependency injection in Angular?

Services
Components
Directives
Pipes

Q. What is the purpose of the `body-parser` middleware in Express.js?

To handle file uploads
To parse incoming request bodies
To compress response data
To manage session data

Q. Which of the following is used to define routes in an Angular application?

RouterModule
HttpClientModule
FormsModule
BrowserModule

Q. What is the purpose of the `mongoose` library in a MEAN stack application?

To handle server-side routing
To provide an ORM for MongoDB
To manage client-side state
To compile TypeScript code

Q. Which of the following is used for server-side rendering in Angular applications?

Angular Universal
Angular CLI
Angular Material
Angular Forms

Q. What is the purpose of the `$lookup` operator in MongoDB?

To perform left outer joins
To update documents
To create indexes
To delete collections

Q. Which module is used for making HTTP requests in Angular?

HttpModule
HttpClientModule
AxiosModule
FetchModule

Q. What is the purpose of the `passport` library in a MEAN stack application?

To handle file uploads
To manage authentication strategies
To optimize database queries
To compress static assets

Q. Which of the following is used for dependency injection in Angular?

Decorators
Directives
Pipes
Guards

Q. What is the purpose of the `dotenv` package in a Node.js application?

To manage database connections
To handle routing
To load environment variables
To compile TypeScript code

Q. Which of the following is NOT a hook in Angular?

ngOnInit
ngOnDestroy
ngOnChange
ngOnRouter

Q. What is the purpose of the `bcrypt` library in a MEAN stack application?

To handle file compression
To manage database indexes
To hash and salt passwords
To generate JWT tokens

Q. Which of the following is used to handle asynchronous operations in Angular?

Promises
Callbacks
Observables
All of the above

Q. What is the purpose of the `cors` middleware in Express.js?

To handle Cross-Origin Resource Sharing
To compress response data
To parse request bodies
To manage session data