Angular Quiz Test Online (30 random Questions) 2026

This quick 30-minute challenge consists of 30 random multiple-choice questions designed to test your knowledge across various Angular topics, including the introduction to Angular, TypeScript basics, project structure and fundamentals, components and communication, services and dependency injection, routing and navigation, forms in Angular, HTTP and API integration, state management with RxJS and NgRx, as well as authentication and security practices. Whether you’re just starting or looking to deepen your expertise, this quiz will enhance your understanding of Angular’s framework and best practices.

1 votes, 3 avg

236

You have 30 minutes to complete the quiz. The timer will start when you click the 'Start Quiz' button. Please ensure you are ready before beginning.

Time is up! Your quiz has ended. Your responses have been submitted automatically.

30 Minutes Angular Quiz Test Online

Welcome to the Angular Quiz! This quick 30-minute challenge consists of 30 random multiple-choice questions designed to test your knowledge across various Angular topics, including the introduction to Angular, TypeScript basics, project structure and fundamentals, components and communication, services and dependency injection, routing and navigation, forms in Angular, HTTP and API integration, state management with RxJS and NgRx, as well as authentication and security practices. Whether you're just starting or looking to deepen your expertise, this quiz will enhance your understanding of Angular's framework and best practices.

1 / 30

1. Which module is required to make HTTP requests in Angular?

A) FormsModule

B) CommonModule

C) HttpClientModule

D) HttpModule

2 / 30

2. What is the main advantage of using Angular HTTPClient?

A) It works without a backend

B) It makes API calls faster

C) It supports observables and RxJS operators

D) It removes the need for servers

3 / 30

3. What is the default command to open an Angular project in a browser after serving?

A) ng serve --open

B) npm start

C) ng open

D) ng start

4 / 30

4. How do you set global headers for every HTTP request?

A) Using a config file

B) Setting headers in every HttpClient request

C) Using an HttpInterceptor

D) Using HttpHeaders.setGlobal()

5 / 30

5. Who is the original creator of AngularJS?

A) Ryan Dahl

B) Brendan Eich

C) Evan You

D) Misko Hevery

6 / 30

6. What is the correct way to handle timeouts in Angular HTTP requests?

A) setTimeout()

B) timeout() operator in RxJS

C) delay()

D) catchError()

7 / 30

7. What is the purpose of the CanDeactivate route guard?

A) It allows lazy loading

B) It prevents unauthorized access

C) It asks for confirmation before leaving a route

D) It handles wildcard routes

8 / 30

8. Which TypeScript feature helps in defining a reusable structure for objects?

A) Functions

B) Interfaces

C) Arrays

D) Loops

9 / 30

9. What command is used to generate a new component in Angular?

A) ng add component component-name

B) ng generate component component-name

C) ng create component-name

D) ng new component component-name

10 / 30

10. Which lifecycle hook is used for cleanup operations?

A) ngOnInit()

B) ngOnChanges()

C) ngOnDestroy()

D) ngAfterViewInit()

11 / 30

11. Which major change occurred with the release of Angular 2 in 2016?

A) It introduced a completely new architecture based on TypeScript

B) It became a backend framework

C) It replaced JavaScript with Python

D) It removed the need for HTML and CSS

12 / 30

12. What symbol is used to separate query parameters in a URL?

A) ?

B) #

C) &

D) /

13 / 30

13. What happens when a component is destroyed?

A) It only removes its template but keeps its logic in memory

B) It stops receiving input properties

C) It gets hidden but remains in memory

D) It is removed from the DOM and memory

14 / 30

14. Which Angular decorator is used to inject HttpClient into a service?

A) @Module

B) @Injectable

C) @Component

D) @HttpService

15 / 30

15. What is a child route in Angular?

A) A route that is lazy-loaded

B) A secondary navigation option

C) A sub-route inside a parent route

D) A duplicate route

16 / 30

16. How do you compile a TypeScript file?

A) typescript filename.ts

B) node filename.ts

C) compile filename.ts

D) tsc filename.ts

17 / 30

17. How do you trigger an event using EventEmitter in Angular?

A) this.eventName.trigger()

B) this.eventName.send()

C) this.eventName.emit(value)

D) this.eventName.broadcast(value)

18 / 30

18. Which company maintains and supports Angular?

A) Google

B) Microsoft

C) Facebook

D) Amazon

19 / 30

19. What is the purpose of the angular.json file?

A) Defines Angular modules

B) Handles user authentication

C) Stores configuration settings for an Angular project

D) Manages API calls

20 / 30

20. What is an alternative way to inject dependencies manually?

A) Using Injector.get(MyService)

B) Using import { MyService }

C) Using new MyService()

D) By modifying the component template

21 / 30

21. Which Angular service is used to make HTTP calls?

A) HttpService

B) HttpClient

C) ApiService

D) Http

22 / 30

22. What does OpenID Connect add to OAuth 2.0?

A) Encryption

B) Authorization

C) Authentication

D) Security

23 / 30

23. Which of the following is NOT a valid TypeScript data type?

A) integer

B) string

C) boolean

D) number

24 / 30

24. What is an observable in RxJS?

A) A design pattern for object-oriented programming

B) A stream of values emitted over time

C) A storage mechanism for data persistence

D) A function that synchronously executes code

25 / 30

25. How do you define a child route in Angular?

A) Using subRoutes: []

B) Using Router.forChild()

C) Using nestedRoutes: []

D) Using the children property inside a route

26 / 30

26. What is a Module in Angular?

A) A container for components and services

B) A third-party library

C) A JavaScript function

D) A built-in HTML tag

27 / 30

27. Which lifecycle hook is useful for initializing form data in a component?

A) ngDoCheck

B) ngOnInit

C) ngAfterViewInit

D) ngOnChanges

28 / 30

28. What is the purpose of polyfills.ts in an Angular project?

A) It is used for database connectivity

B) It defines API endpoints

C) It handles Angular animations

D) It provides compatibility with older browsers

29 / 30

29. What will happen if you manually create a new service instance inside a component?

A) It improves service sharing

B) It creates multiple instances, breaking singleton behavior

C) It optimizes performance

D) It has no impact

30 / 30

30. What does the HttpInterceptor modify?

A) Styles

B) Routes

C) Components

D) Requests

Your score is

The average score is 60%

Rate Your Experience!

Anonymous feedback

Thank you for your feedback! We appreciate your input.

Online Quiz Test (with time limit)

10 Minutes MongoDB Quiz Test Online

Docker Quiz Test Online (30 random Questions)

10 Minutes Angular Quiz Test Online

10 Minutes JavaScript Quiz Test Online

10 Minutes Bootstrap Quiz Test Online

Related