Angular Basics

1/25 In Angular, you can pass data from the parent component to the child component by using:
- @Output()
- @Input()
- Input
- Output
2/25 In Angular, you can pass data from the child component to the parent component by using:
- @Output()
- @Input()
- Input
- Output
3/25 Which directive modifies DOM hierarchy?
- Structural directive
- Attribute directive
4/25 How many instances of service will be created if you provide a custom service in two components’ “providers” section of @Component decorator?
- 1
- 2
- 3
- 4
5/25 Custom pipe can modify actual value of variable apart from different presention in HTML.
- True
- False
6/25 Which method of RouterModule should be called for providing all routes in AppModule?
- RouterModule.forChild
- RouterModule.forRoot
- RouterModule
- RouterModule.import
7/25 You can chain multiple pipe in a single expression along with “async” pipe.
- True
- False
8/25 Which component represents “target/host” DOM element inside Directive’s constructor?
- Element
- ElementRef
- Host
- Target
9/25 There can be more than one <router-outlet> element in Angular application.
- True
- False
10/25 Which CLI command is used to generate a new Angular module?
- ng generate module
- ng create module
- ng build module
- ng start module
11/25 In Angular, which service is commonly used for state management?
- HttpClient
- NgRx Store
- Router
- FormsModule
12/25 How is RxJS used in Angular for managing asynchronous data?
- Through Promises
- Through Observables
- Through Async/Await
- Through Callbacks
13/25 What is the purpose of the 'ng build --prod' command?
- To run the application in development mode
- To deploy the application to a server
- To build the application for production with optimization
- To compile TypeScript files
14/25 Which TypeScript feature is commonly used in Angular for type-checking and future JavaScript features?
- Classes and Interfaces
- Arrow functions
- Promises
- Modules
15/25 What Angular decorator is used to inject a dependency into a class?
- @Inject
- @Input
- @Output
- @Directive
16/25 In Angular, how can you pass multiple parameters in a route?
- Using the @Param decorator
- Using route snapshot
- Using query parameters
- Using route guards
17/25 What is the purpose of the 'ngSwitch' directive in Angular?
- To switch between different routes
- To toggle the visibility of elements
- To perform conditional rendering of templates
- To switch between different styles
18/25 In Angular, how can you handle HTTP request errors in a service?
- Using try-catch blocks
- Using the catchError operator in RxJS
- Using if-else statements
- By setting HTTP headers
19/25 What is the use of the 'ng-content' tag in Angular?
- To display dynamic content
- For content projection in components
- To bind external content
- To create dynamic templates
20/25 What is the main benefit of using Angular's Reactive Forms over Template-Driven Forms?
- Easier syntax
- More control and flexibility in handling form logic
- Automatic data binding
- Built-in validators
21/25 What is the primary use of the NgRx library in Angular applications?
- Form Validation
- Routing Management
- State Management
- HTTP Request Handling
22/25 In Angular, which decorator is used to create a new HTTP interceptor?
- @HttpInterceptor
- @Injectable
- @Interceptor
- @NgModule
23/25 What is the benefit of using Angular Universal?
- Improved mobile app performance
- Server-side rendering for faster initial load
- Automated testing capabilities
- Enhanced form validation
24/25 Which Angular CLI command is used to run end-to-end tests?
```
ng e2e
```
- True
- False
25/25 In Angular, what is the purpose of the 'ng-template' directive?
- To define templates that can be used with structural directives
- To inject external HTML content
- To create reusable components
- To handle form submissions
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Angular Basics

1/25 In Angular, you can pass data from the parent component to the child component by using:

2/25 In Angular, you can pass data from the child component to the parent component by using:

3/25 Which directive modifies DOM hierarchy?

4/25 How many instances of service will be created if you provide a custom service in two components’ “providers” section of @Component decorator?

5/25 Custom pipe can modify actual value of variable apart from different presention in HTML.

6/25 Which method of RouterModule should be called for providing all routes in AppModule?

7/25 You can chain multiple pipe in a single expression along with “async” pipe.

8/25 Which component represents “target/host” DOM element inside Directive’s constructor?

9/25 There can be more than one <router-outlet> element in Angular application.

10/25 Which CLI command is used to generate a new Angular module?

11/25 In Angular, which service is commonly used for state management?

12/25 How is RxJS used in Angular for managing asynchronous data?

13/25 What is the purpose of the 'ng build --prod' command?

14/25 Which TypeScript feature is commonly used in Angular for type-checking and future JavaScript features?

15/25 What Angular decorator is used to inject a dependency into a class?

16/25 In Angular, how can you pass multiple parameters in a route?

17/25 What is the purpose of the 'ngSwitch' directive in Angular?

18/25 In Angular, how can you handle HTTP request errors in a service?

19/25 What is the use of the 'ng-content' tag in Angular?

20/25 What is the main benefit of using Angular's Reactive Forms over Template-Driven Forms?

21/25 What is the primary use of the NgRx library in Angular applications?

22/25 In Angular, which decorator is used to create a new HTTP interceptor?

23/25 What is the benefit of using Angular Universal?

24/25 Which Angular CLI command is used to run end-to-end tests?

25/25 In Angular, what is the purpose of the 'ng-template' directive?