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Angular Routing & Navigation Quiz – 15 Questions with Answers

Test your knowledge of Angular Routing and Navigation with 15 questions covering routes, RouterModule, RouterOutlet, routerLink, navigation, route parameters, query parameters, guards, and lazy loading.

15
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12 min
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Medium
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  1. 1. What is the primary purpose of routing in Angular?

    • A. To style Angular components
    • B. To navigate between different views or components
    • C. To connect Angular to a database
    • D. To compile TypeScript
    Show answer

    B. To navigate between different views or components

    Angular routing allows applications to display different components based on the current URL without requiring a full page reload.

  2. 2. Which Angular service is primarily responsible for programmatic navigation?

    • A. ActivatedRoute
    • B. Router
    • C. Route
    • D. RouterOutlet
    Show answer

    B. Router

    The Angular Router service provides methods such as navigate() and navigateByUrl() for programmatic navigation.

  3. 3. Which directive indicates where Angular should display the component associated with the current route?

    • A. routerLink
    • B. router-outlet
    • C. routerView
    • D. route-container
    Show answer

    B. router-outlet

    The router-outlet directive acts as a placeholder where Angular renders the component matched by the current route.

  4. 4. Which directive is commonly used to create navigation links in Angular templates?

    • A. routerLink
    • B. routerNavigate
    • C. routeLink
    • D. navigateTo
    Show answer

    A. routerLink

    The routerLink directive allows Angular applications to navigate between routes using links in templates.

  5. 5. Which configuration correctly defines a route for a HomeComponent at the URL /home?

    • A. { path: 'home', component: HomeComponent }
    • B. { url: 'home', view: HomeComponent }
    • C. { route: '/home', component: HomeComponent }
    • D. { pathName: 'home', page: HomeComponent }
    Show answer

    A. { path: 'home', component: HomeComponent }

    Angular route configurations use the path property to define the URL segment and component to specify which component should be displayed.

  6. 6. Which method of the Router service is commonly used for programmatic navigation using an array of URL segments?

    • A. go()
    • B. navigate()
    • C. redirect()
    • D. route()
    Show answer

    B. navigate()

    The Router.navigate() method accepts an array of commands representing the URL segments to navigate to.

  7. 7. Which Angular service provides access to information about the currently activated route?

    • A. Router
    • B. ActivatedRoute
    • C. RouteConfig
    • D. NavigationService
    Show answer

    B. ActivatedRoute

    ActivatedRoute provides access to route information such as parameters, query parameters, URL segments, and route data.

  8. 8. Which route configuration is used to define a dynamic route parameter such as /users/123?

    • A. { path: 'users/:id', component: UserComponent }
    • B. { path: 'users/{id}', component: UserComponent }
    • C. { path: 'users/[id]', component: UserComponent }
    • D. { path: 'users/id', parameter: true, component: UserComponent }
    Show answer

    A. { path: 'users/:id', component: UserComponent }

    Angular uses a colon before a parameter name, such as :id, to define a route parameter.

  9. 9. Which property of ActivatedRoute is commonly used to access route parameters?

    • A. params
    • B. routeValues
    • C. pathParamsOnly
    • D. routeDataParams
    Show answer

    A. params

    ActivatedRoute.params provides an observable containing the current route parameters.

  10. 10. Which property of ActivatedRoute is used to access query parameters?

    • A. query
    • B. queryParams
    • C. searchParams
    • D. urlQuery
    Show answer

    B. queryParams

    ActivatedRoute.queryParams provides an observable of the query parameters in the current URL.

  11. 11. What is the purpose of an Angular route guard?

    • A. To style route components
    • B. To control whether navigation or route activation is allowed
    • C. To create HTML templates
    • D. To automatically generate routes
    Show answer

    B. To control whether navigation or route activation is allowed

    Route guards can control navigation and route activation based on application conditions such as authentication or permissions.

  12. 12. Which guard is commonly used to prevent a user from leaving a route when there are unsaved changes?

    • A. CanActivate
    • B. CanDeactivate
    • C. CanLoad
    • D. Resolve
    Show answer

    B. CanDeactivate

    A CanDeactivate guard can determine whether a user is allowed to leave a particular component or route.

  13. 13. What is lazy loading in Angular routing?

    • A. Loading all application modules at startup
    • B. Loading a route or feature only when it is needed
    • C. Disabling route navigation
    • D. Loading CSS files after every navigation
    Show answer

    B. Loading a route or feature only when it is needed

    Lazy loading allows parts of an Angular application to be loaded on demand, which can reduce the initial application bundle.

  14. 14. Which route configuration can be used to redirect an empty path to /home?

    • A. { path: '', redirectTo: 'home', pathMatch: 'full' }
    • B. { path: '', navigateTo: 'home' }
    • C. { empty: true, redirect: '/home' }
    • D. { path: '/', component: HomeComponent }
    Show answer

    A. { path: '', redirectTo: 'home', pathMatch: 'full' }

    redirectTo specifies the destination route, while pathMatch: 'full' ensures that the empty path matches the entire URL.

  15. 15. What happens when Angular navigation changes the URL through the Angular Router?

    • A. The browser must always perform a full page reload
    • B. The Router determines the matching route and updates the displayed view
    • C. Angular destroys the entire application
    • D. The URL cannot change without manually editing the address bar
    Show answer

    B. The Router determines the matching route and updates the displayed view

    Angular's Router handles client-side navigation by matching the URL to a configured route and displaying the associated component.