Angular interview questions

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1. Component
Angular Components Public

Which of the following statements about components in Angular are correct?

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2. Animal Noise
Angular Expressions Public New

Consider the following component, which can be used to model an animal and the noise it makes.

import {Component, Input, Output} from '@angular/core';

  selector: 'animal-noise',
  template: `
    <button (click)="makeNoise()">Make noise</button>
export class AnimalNoise {
  @Input('animal') animal: string;
  @Input('noise') noise: string;

  makeNoise() {

Select all the statements about the AnimalNoise component that are correct.

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3. Router Module
Angular Routing Public

Consider the following application module:

import { NgModule }             from '@angular/core';
import { RouterModule, Routes } from '@angular/router';
import { HomeComponent }        from './home.component';
import { ItemDetailComponent }  from './item-detail.component';
const routes: Routes = [
    { path: '', redirectTo: '/home', pathMatch: 'full' },
    { path: 'home',  component: HomeComponent },
    { path: 'detail/:id', component: ItemDetailComponent, outlet: 'route1' }
    imports: [ RouterModule.forRoot(routes) ],
    exports: [ RouterModule ]
export class AppRoutingModule {}

Which of the following statements about the routers behavior are correct?

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