Angular 2 Online Quiz

Q 1 - Which of the following is correct about Angular 2 Components?

A - AngularJS had a focus of Controllers but Angular 2 has changed the focus to having components over controllers.

B - Components help to build the applications into many modules.

C - This helps in better maintaining the application over a period of time.

D - All of the above.

Q 2 - Which of the following is true?

A - Angular 2 Service can be used to bring the modules together.

B - Angular 2 Template can be used to bring the modules together.

C - Angular 2 Component can be used to bring the modules together.

D - None of the above.

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

A - Import array can be used to import the functionality from other Angular JS modules.

B - Import array can be used to import the templates.

C - Both of the above.

D - None of the above.

Q 4 - Which of the following is correct about CLI?

A - CLI stands for Command Line Interface.

B - CLI can be used to create Angular JS application.

C - It also helps in creating a unit and end-to-end tests for the application.

D - All of the above.

Q 5 - Which of the following is correct about systemjs.config.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 6 - Which of the following is correct about systemjs.config.json?

A - 'npm:': 'node_modules/' tells the location in our project where all the npm modules are located.

B - The mapping of app: 'app' tells the folder where all our applications files are loaded.

C - Both of the above.

D - None of the above.

Q 7 - Which of the following filter is used to slice a piece of data from the input string.

A - slice

B - substring

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 - ngOnDestroy.

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.