Angular Web Framework Angular Professional Development 2

Question 1

Which Angular CLI command generates a new library inside an existing workspace?

Accepted Answer

ng generate library my-lib

Answer

The `ng generate library` command scaffolds a publishable Angular library within the current workspace.

Question 2

What is the primary purpose of Angular's `provideHttpClient()` function introduced in Angular 15+?

Accepted Answer

Replace HttpClientModule with a standalone-compatible provider

Answer

`provideHttpClient()` is the standalone API equivalent of importing `HttpClientModule`, making it compatible with standalone components.

Question 3

In Angular's signal-based reactivity (Angular 16+), what does `effect()` do?

Accepted Answer

Runs a side-effect function whenever its dependent signals change

Answer

`effect()` registers a reactive side-effect that automatically re-runs whenever any signal it reads emits a new value.

Question 4

Which decorator marks a class as an Angular standalone component without an NgModule?

Accepted Answer

@Component({ standalone: true })

Answer

Setting `standalone: true` in the `@Component` decorator removes the need to declare the component in any NgModule.

Question 5

What does Angular's `APP_INITIALIZER` token enable?

Accepted Answer

Running async setup tasks before the app fully bootstraps

Answer

`APP_INITIALIZER` accepts factory functions that return promises or observables, delaying app bootstrap until they resolve.

Angular Web Framework Practice Test