MEAN Angular Routing and Forms

Question 1

Which Angular module must be imported to enable routing in an Angular application?

Accepted Answer

RouterModule

Answer

HttpClientModule

Answer

FormsModule

Answer

BrowserAnimationsModule

Question 2

How do you define a route with a URL parameter named 'id' in an Angular routing configuration?

Accepted Answer

{ path: 'item/:id', component: ItemComponent }

Answer

{ path: 'item/{id}', component: ItemComponent }

Answer

{ path: 'item/[id]', component: ItemComponent }

Answer

{ path: 'item/$id', component: ItemComponent }

Question 3

Which directive marks the location in an Angular template where the routed component should be rendered?

Accepted Answer

<router-outlet>

Answer

<ng-template>

Answer

<ng-content>

Answer

<ng-view>

Question 4

How do you programmatically navigate to the '/dashboard' route in an Angular component?

Accepted Answer

this.router.navigate(['/dashboard']);

Answer

this.location.go('/dashboard');

Answer

window.location.href = '/dashboard';

Answer

this.route.navigateTo('/dashboard');

Question 5

What service should you inject to access URL route parameters inside an Angular component?

Accepted Answer

ActivatedRoute

Answer

Router

Answer

RouterLink

Answer

RouteConfig

Question 6

What is the purpose of the 'canActivate' route guard interface in Angular?

Accepted Answer

To control whether a user can navigate to a route

Answer

To resolve data before a route is activated

Answer

To prevent navigation away from a route

Answer

To lazy-load a module when its route is first accessed

Question 7

What is lazy loading in the context of Angular routing?

Accepted Answer

Loading feature modules only when their associated routes are first accessed

Answer

Delaying route parameter resolution until the component is fully rendered

Answer

Preloading all application modules at startup in the background

Answer

Loading route guards asynchronously after the component mounts