Angular 2 Online Quiz

Q 1 - Which of the following is correct about Services?

A - Angular 2 Services are a set of code that can be shared by different components of an application.

B - Angular 2 Services cannot be used across multiple applications.

C - Angular 2 Services help to build the applications into many modules.

D - All of the above.

Q 2 - Which of the following is true?

A - Angular 2 Services are used to define the views of an Angular JS application.

B - Angular 2 Templates are used to define the views of an Angular JS application.

C - Angular 2 Components are used to define the views of an Angular JS application.

D - None of the above.

Q 3 - Which of the following is correct about Bootstrap Array in Angular 2 Modules?

A - This is used to tell Angular JS which components need to be loaded so that its functionality can be accessed in the application.

B - Once you include the component in the bootstrap array, you need to declare them so that they can be used across other components in the Angular JS application.

C - Both of the above.

D - None of the above.

Q 4 - Which of the following is correct about tsconfig.json?

A - This file is used to give the options about TypeScript used for the Angular JS project.

B - This file contains information about Angular 2 project.

C - This file contains the system files required for Angular JS application.

D - All of the above.

Q 5 - Which of the following is correct about package.json?

A - There are two types of dependencies, first is the dependencies and then there are dev dependencies.

B - The dev ones are required during the development process and the others are needed to run the application.

C - Both of the above.

D - None of the above.

Q 6 - Which of the following is the correct way to apply a filter?

A - Property-value || filter

B - Property-value && filter

C - Property-value | filter

D - None of the above.

Q 7 - Which of the following filter is used to convert an input string to currency format.

A - currency

B - amount

C - Both of the above.

D - None of the above.

Q 8 - Which of the following is correct about lifecycle hook - ngDoCheck.

A - When the value of a data bound property changes, then this method is called.

B - This is called whenever the initialization of the directive/component after Angular first displays the data-bound properties happens.

C - This is for the detection and to act on changes that Angular can't or won't detect on its own.

D - This is called in response after Angular projects external content into the component's view.

Q 9 - Which of the following is correct about lifecycle hook - ngAfterViewInit.

A - This is called in response after Angular checks the content projected into the component.

B - This is called in response after Angular initializes the component's views and child views.

C - This is called in response after Angular checks the component's views and child views.

D - This is the cleanup phase just before Angular destroys the directive/component.