MEAN Angular Routing and Forms

Question 1

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

Accepted Answer

RouterModule

Answer

RouterModule provides the Router service and directives like routerLink and router-outlet needed for navigation between views.

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

Angular uses the colon syntax (:id) to define route parameters that can later be accessed via the ActivatedRoute service.

Question 3

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

Accepted Answer

<router-outlet>

Answer

The <router-outlet> directive is the placeholder Angular uses to dynamically render the component associated with the currently active route.

Question 4

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

Accepted Answer

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

Answer

The Router.navigate() method accepts an array of route path segments and navigates to the specified route programmatically.

Question 5

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

Accepted Answer

ActivatedRoute

Answer

ActivatedRoute provides observables for the current route's parameters (params), query parameters (queryParams), and static route data.

MEAN - Stack Development Practice Test