Week 9 QC Angular Quiz True or False

Question 1

Angular 2 supports TypeScript.

Answer 1

TRUE

Explanation : TypeScript is one of the main drivers behind Angular 2 because of the support for constructs such as Decorators.

Question 2

A component is an important feature in Angular 2.

Answer 2

TRUE

Explanation : You’ll find that many constructs in Angular 2 are referred to as Components. There is a special decorator that you’ll have to use, @Component, even when creating a component.

Question 3

The AppComponent is typically the name for an Angular 2 application’s root component.

Answer 3

TRUE

Explanation : The AppComponent is the Component defined in app-component.ts and serves as the main component of the application.

Question 4

A Component is a specialized Directive.

Answer 4

TRUE

Question 5

A template is a collection of data values you pass to a component.

Answer 5

FALSE

Question 6

Modules are used to organize code in features or related functionality in order to prevent code bloat and promote code reuse.

Answer 6

TRUE

Question 7

You typically define one root module and typically define additional features of your application as other modules tied into your root module.

Answer 7

TRUE

Question 8

A Logging Service is a type of feature that may be injected into another class.

Answer 8

TRUE

Question 9

The root module must be named AppModule.

Answer 9

FALSE

Question 10

Bootstrapping is the process during which your Root Component is inserted into the DOM.

Answer 10

TRUE

Question 11

Angular will match the selector property of the root component to an element in index.html during the bootstrapping process

Answer 11

TRUE

Question 12

Two-way Data-binding is like property-binding and event-binding together.

Answer 12

TRUE

Question 13

Property-binding and interpolation can be used to set an element’s property for string values.

Answer 13

TRUE

Question 14

ngModel, ngClass, and ngStyle are examples of structural directives.

Answer 14

FALSE

Question 15

Directives which alter the DOM like ngFor or ngIf are examples of attribute directives.

Answer 15

FALSE

Question 16

Event-binding associates DOM events to component functions.

Answer 16

TRUE

Question 17

ngFor is used to toggle display of an element.

Answer 17

FALSE

Question 18

ngIf does NOT remove the element from the DOM if the expression evaluates to false.

Answer 18

FALSE

Question 19

ngClass is used to add/remove multiple styles using key/value pairs of CSS

Answer 19

FALSE