Angular Basics

1/25 Which directive connects the value of the controls to the data?
- ng-app
- ng-init
- ng-model
2/25 Which directive modifies DOM hierarchy?
- Structural directive
- Attribute directive
3/25 In Angular routing, which tag is used to render matched component via active route?
- <router></router>
- <router-output></router-output>
- <router-outlet></router-outlet>
- <router-display></router-display>
4/25 Which method of RouterModule should be called for providing all routes in AppModule?
- RouterModule.forChild
- RouterModule.forRoot
- RouterModule
- RouterModule.import
5/25 How can you access a parent component's property from a child component in Angular?
- Using @ViewChild decorator
- Using @Input() decorator
- Using @Output() decorator
- Using @Injectable decorator
6/25 In Angular, which service is commonly used for state management?
- HttpClient
- NgRx Store
- Router
- FormsModule
7/25 Which TypeScript feature is commonly used in Angular for type-checking and future JavaScript features?
- Classes and Interfaces
- Arrow functions
- Promises
- Modules
8/25 What is the main purpose of the 'async' pipe in Angular?
- To run functions asynchronously
- To automatically unsubscribe from observables
- To speed up the application
- To delay the execution of functions
9/25 How can you create a custom structural directive in Angular?
- Using the @Directive decorator
- Using the @Component decorator
- Using the @NgModule decorator
- Using the @Pipe decorator
10/25 Which Angular feature is used for communication between non-related components?
- Input and Output decorators
- Services and Dependency Injection
- Directives
- Local storage
11/25 How can you create a guard for lazy-loaded modules in Angular?
- Using @Guard decorator
- Using a service with CanLoad interface
- Using @Module decorator
- Using an observable
12/25 What is AOT compilation in Angular?
- Asynchronous Object Templates
- Ahead-of-Time Compilation
- Array of Templates
- Angular Object Transformation
13/25 How can you optimize the performance of an Angular application using Change Detection Strategy?
- By setting the strategy to Default
- By setting the strategy to OnPush
- By manually invoking change detection
- By disabling change detection
14/25 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
15/25 In Angular, what is the purpose of the 'providers' array in '@NgModule'?
- To declare components
- To import other modules
- To provide services available to the module
- To export components and directives
16/25 How can you create a custom validator for a form field in Angular?
- By using an HTML attribute
- By creating a function that returns a validation object
- By using CSS
- By using the 'validator' directive
17/25 What is the primary use of the NgRx library in Angular applications?
- Form Validation
- Routing Management
- State Management
- HTTP Request Handling
18/25 In Angular, which command is used to generate a new lazy-loaded feature module?
```
ng generate module <module-name> --route <route-name> --module <parent-module>
```
- True
- False
19/25 What is the purpose of the 'trackBy' function in 'ngFor' directive?
- To enhance performance by tracking object identity
- To generate unique IDs for each item
- To filter the list of items
- To create a custom template for each item
20/25 Which Angular CLI command is used to run end-to-end tests?
```
ng e2e
```
- True
- False
21/25 What is the purpose of the 'async' pipe in Angular templates?
- To create asynchronous methods
- To automatically unsubscribe from Observables
- To delay the execution of functions
- To handle HTTP requests asynchronously
22/25 In Angular, how is content projection achieved?
- Using the <ng-content> tag
- Using the <ng-container> tag
- Using the <ng-template> tag
- Using the <content> tag
23/25 What is the purpose of the 'CanDeactivate' guard in Angular routing?
- To prevent unauthorized access to a route
- To preload data before navigating to a route
- To confirm navigation away from the current route
- To dynamically load modules for a route
24/25 What is the primary function of the 'Renderer2' service in Angular?
- To perform server-side rendering
- To manage rendering of components
- To handle routing and navigation
- To render data-bound properties
25/25 Which Angular CLI command is used to analyze the size of the application bundles?
```
ng build --prod --stats-json
```
- True
- False
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Angular Basics

1/25 Which directive connects the value of the controls to the data?

2/25 Which directive modifies DOM hierarchy?

3/25 In Angular routing, which tag is used to render matched component via active route?

4/25 Which method of RouterModule should be called for providing all routes in AppModule?

5/25 How can you access a parent component's property from a child component in Angular?

6/25 In Angular, which service is commonly used for state management?

7/25 Which TypeScript feature is commonly used in Angular for type-checking and future JavaScript features?

8/25 What is the main purpose of the 'async' pipe in Angular?

9/25 How can you create a custom structural directive in Angular?

10/25 Which Angular feature is used for communication between non-related components?

11/25 How can you create a guard for lazy-loaded modules in Angular?

12/25 What is AOT compilation in Angular?

13/25 How can you optimize the performance of an Angular application using Change Detection Strategy?

14/25 What is the use of the 'ng-content' tag in Angular?

15/25 In Angular, what is the purpose of the 'providers' array in '@NgModule'?

16/25 How can you create a custom validator for a form field in Angular?

17/25 What is the primary use of the NgRx library in Angular applications?

18/25 In Angular, which command is used to generate a new lazy-loaded feature module?

19/25 What is the purpose of the 'trackBy' function in 'ngFor' directive?

20/25 Which Angular CLI command is used to run end-to-end tests?

21/25 What is the purpose of the 'async' pipe in Angular templates?

22/25 In Angular, how is content projection achieved?

23/25 What is the purpose of the 'CanDeactivate' guard in Angular routing?

24/25 What is the primary function of the 'Renderer2' service in Angular?

25/25 Which Angular CLI command is used to analyze the size of the application bundles?