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 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
3/25 Custom pipe can modify actual value of variable apart from different presention in HTML.
- True
- False
4/25 Which command is used to run the Static Code analysis of Angular application?
- ng build
- ng profile
- ng lint
- ng serve
5/25 Router service needs to be explicitly provided in angular module to use it in another component via DI.
- True
- False
6/25 Which decorator does the directive use to listen to the host/target events?
- @Listener
- @HostListener
- @OnListener
- @TargetListener
7/25 Which service can be used to extract route parameters inside component?
- Router
- Route
- ActivatedRoute
- CurrentRoute
8/25 Which CLI command is used to generate a new Angular module?
- ng generate module
- ng create module
- ng build module
- ng start module
9/25 In Angular, which service is commonly used for state management?
- HttpClient
- NgRx Store
- Router
- FormsModule
10/25 What Angular feature can be used for performance optimization by preventing unnecessary change detection?
- NgZone
- ChangeDetectionStrategy.OnPush
- NgModule
- NgClass
11/25 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
12/25 What is the role of 'NgZone' in Angular?
- Managing the data flow
- Interacting with RESTful services
- Optimizing performance by controlling change detection
- Routing and navigation
13/25 In Angular, how can you pass multiple parameters in a route?
- Using the @Param decorator
- Using route snapshot
- Using query parameters
- Using route guards
14/25 What is the use of the 'ngFor' directive in Angular?
- To create a custom event
- To repeat a template for each item in a list
- To hide or show an element
- To bind data to a property
15/25 Which Angular lifecycle hook is called after Angular fully initializes a component's view?
- ngOnInit
- ngAfterViewInit
- ngOnChanges
- ngOnDestroy
16/25 Which Angular CLI command is used to generate a service?
- ng generate service
- ng create service
- ng add service
- ng new service
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 How does Angular's change detection mechanism work by default?
- Event-driven
- One-way data flow
- Zone.js-driven
- Manual invocation
19/25 Which Angular CLI command is used to run end-to-end tests?
```
ng e2e
```
- True
- False
20/25 How can you optimize an Angular application for better performance?
- Using lazy loading for modules
- Increasing the number of HTTP requests
- Avoiding use of the async pipe
- Disabling change detection
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 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
23/25 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
24/25 What is the advantage of using Angular's 'lazy loading' feature for modules?
- Improves initial load performance by splitting the app into multiple bundles
- Decreases overall application size
- Automates the build process
- Enhances security by loading modules on-demand
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 How many instances of service will be created if you provide a custom service in two components’ “providers” section of @Component decorator?

3/25 Custom pipe can modify actual value of variable apart from different presention in HTML.

4/25 Which command is used to run the Static Code analysis of Angular application?

5/25 Router service needs to be explicitly provided in angular module to use it in another component via DI.

6/25 Which decorator does the directive use to listen to the host/target events?

7/25 Which service can be used to extract route parameters inside component?

8/25 Which CLI command is used to generate a new Angular module?

9/25 In Angular, which service is commonly used for state management?

10/25 What Angular feature can be used for performance optimization by preventing unnecessary change detection?

11/25 What is the main purpose of the 'async' pipe in Angular?

12/25 What is the role of 'NgZone' in Angular?

13/25 In Angular, how can you pass multiple parameters in a route?

14/25 What is the use of the 'ngFor' directive in Angular?

15/25 Which Angular lifecycle hook is called after Angular fully initializes a component's view?

16/25 Which Angular CLI command is used to generate a service?

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

18/25 How does Angular's change detection mechanism work by default?

19/25 Which Angular CLI command is used to run end-to-end tests?

20/25 How can you optimize an Angular application for better performance?

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

22/25 What is the purpose of the 'CanDeactivate' guard in Angular routing?

23/25 What is the primary function of the 'Renderer2' service in Angular?

24/25 What is the advantage of using Angular's 'lazy loading' feature for modules?

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