Angular MCQs – Routing and Navigation

Mastering Angular Routing and Navigation is essential for building dynamic single-page applications (SPAs). These top multiple-choice questions (MCQs) cover key topics such as route guards, lazy loading, child routes, query parameters, and router events, ensuring you have a solid understanding of Angular’s navigation system. Whether you are a beginner or an experienced developer, these MCQs will help you revise important concepts, identify knowledge gaps, and boost your confidence for Angular interviews.

1.) What is Angular Router used for?

A) Managing application state
B) Navigating between different views in an Angular application
C) Handling HTTP requests
D) Optimizing application performance

Answer: Option B

Explanation: Angular Router enables client-side navigation, allowing users to move between different components without a full page reload.

2.) Which module must be imported to enable routing in Angular?

A) @angular/router
B) @angular/core
C) @angular/common
D) @angular/forms

Answer: Option A

Explanation: The RouterModule from @angular/router must be imported in an Angular module to enable routing.

3.) What is the purpose of the RouterOutlet directive?

A) To display the navigation menu
B) To define the structure of an Angular component
C) To act as a placeholder where routed components are dynamically loaded
D) To bind form inputs

Answer: Option C

Explanation: The <router-outlet> directive tells Angular where to render the routed component inside a template.

4.) How do you define routes in Angular?

A) Using a Routes array
B) Using a components.json file
C) Using a router.config.ts file
D) Using the ngRoute module

Answer: Option A

Explanation: Routes are defined using a Routes array, where each route object maps a URL path to a component.

5.) What is the default path for the home route?

A) ‘/’
B) ‘*’
C) ‘home’
D) ”

Answer: Option D

Explanation: The empty string ” is used as the default route, typically pointing to the home component.

6.) Which method is used for programmatic navigation in Angular?

A) navigateTo()
B) goTo()
C) navigate()
D) redirectTo()

Answer: Option C

Explanation: The navigate() method from Router service is used to navigate between routes programmatically.

7.) How can you pass parameters in an Angular route?

A) { path: ‘user/:id’, component: UserComponent }
B) { path: ‘user/{id}’, component: UserComponent }
C) { path: ‘user:id’, component: UserComponent }
D) { path: ‘user?’, component: UserComponent }

Answer: Option A

Explanation: The :id syntax defines a route parameter, which can be accessed inside the component.

8.) What does the routerLink directive do?

A) Defines the router configuration
B) Navigates between routes in templates
C) Handles data fetching
D) Calls an API

Answer: Option B

Explanation: The routerLink directive allows declarative navigation inside templates, linking to different routes.

9.) How can you retrieve route parameters in a component?

A) Using ActivatedRoute service
B) Using RouterModule
C) Using HttpClient
D) Using RouteService

Answer: Option A

Explanation: The ActivatedRoute service provides route parameters and query parameters dynamically.

10.) What wildcard route is used for unknown paths?

A) { path: ”, redirectTo: ‘home’, pathMatch: ‘full’ }
B) { path: ‘*’, component: NotFoundComponent }
C) { path: ‘default’, component: NotFoundComponent }
D) { path: ‘**’, component: NotFoundComponent }

Answer: Option D

Explanation: The ** wildcard path is used to handle undefined routes, usually displaying a 404 Not Found page.

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