Pluralsight Angular Skill Test IQ Answers 2021 || Pluralsight Angular Assessment Latest Answers

Pluralsight Angular Assessment Latest Answers

1. Which decorator lets a child component expose an event to a parent component?

  • @Raise
  • @Event
  • @0utput
  • @EventEmitter


2. What is the meaning of the return type of this function: getHero(id: number): Observable { }?

  • It returns a Hero object with an associated Observable property
  • It returns an Observable that emits an item of type Hero
  • It returns an observable created by passing in a hero object
  • it returns an observable that can be mapped to an item of type hero


3. What is the purpose of Reactive Extensions (RxJS) in an Angular application?

  • React to end-user changes and automatically display appropriate validation messages
  • create and manipulate streams of events and data using observable sequences and fluent query operators
  • React to the form factor and orientation of the device and automatically adjust the display for optimum viewing
  • Define a build pipeline that reacts to code changes and deploys the application to production


4. Which is the correct syntax for two-way data binding?

  • <input ngModel="LastName' />"
  • <input [ngModel]="LastName' />"
  • <input [(ngModel)]="LastName />"
  • <input ([ngModel])="LastName />"


5. Which of the following will result in the style classes "main" and "tall" being added to the DOM node?

  • [ngClass]="'main tall"
  • [ngClass]="'main + tall"
  • [ngClass]="'main : tall'
  • [ngClass]="'main && tall'"


6. What Angular CLI command should you run in your Cl server before deploying your Angular app?

  • ngbuild
  • ng prod
  • ng build --prod
  • ng prod --build


7. Which character is used to prefix a structural directive?

  • -
  • *
  • |
  • #
  • /


8. What is the default return value of the HttpClient services get function?

  • | Observable
  • static value
  • Promise
  • callback function


9. What does this syntax accomplish? routerLink="/crisis-center"?

  • The syntax links a route to a service by matching the assigned string to a service class name.
  • The syntax navigates to the component with a path matching the assigned string.
  • The syntax navigates to the component with a name matching the assigned string.
  • The syntax links a route with data by matching the assigned string to a property name


10. According to the Angular Style Guide, why should unit test files be named the same as the feature they represent, but with a .spec.ts extension?

  • Keeps the file structure more organized
  • They shouldn't. Instead, unit tests should be in the same file as the Angular feature
  • Helps identify which files to serve with ng serve.
  • Provides a consistent way to identify tests with pattern matching test runners.


11. Which lifecycle hook fires whenever a change occurs to any of the component's input properties?

  • ngOnDirty
  • ngOnInit
  • ngOnChanges
  • ngOnKeyPress
  • ngOnInput


12. What is the purpose of the imports array of an Angular module?

  • To define what external libraries, if any, your app needs
  • Define the set of modules whose exported components directives and pipes the templates of this module need
  • To define the set of services that are created and available for dependency injection
  • To define what information a form will capture


13. What is the purpose of the safe navigation operator?

  • To ensure a route is valid before navigation to that route
  • To perform two-way data binding
  • To guard against null and undefined values in property paths
  • To ensure the user has saved data before navigating away from a route.


14.How would you write code to modify the response from an http.get ?

  • Using the map function inside of the pipe operator chained to the http.get
  • Using the transform operator chained to the http.get
  • Subscribing to the http.get and setting the response to a local variable
  • Using the modify operator chained to the http-get


15. Which directive allows you to conditionally remove content from the DOM?

  • ngRepeat
  • *ngif
  • nghide
  • *ngfor
  • ngshow


16. Which directive allows you to display items from a collection of items?

  • ngFor
  • ngrepeat
  • ngSwitch
  • ngCollection


17. What is an appropriate way to break up a large view into smaller pieces?

  • Pipes
  • Services
  • modules
  • Child Components


18. Which Angular CLI flag will NOT generate unit tests for a component?

  • --testing=false
  • --unit-test=false
  • --skiptests=true
  • --test=false

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