Angular 12 Quiz Questions and Answers

What is unit Test in Angular?

Answer :
  • Both A and B

A protractor is an official library to use for writing …......... test suites with an Angular app.?

Answer :
  • end-to-end

…...................used to test the logic of the components and services.

Answer :
  • unit tests

What is a Component?

Answer :
  • A) They are TypeScript classes used to write the GUI display logic.
    B) They accept user input and validate them.
    C) They handle events occurring within the component's DOM.
    All of the above

What is the cli command to create a component?

Answer :
  • A and B

What is true about the Component Template?

Answer :
  • A) A component uses its template to render display.
    B) The template will output HTML DOM elements.
    C) Templates get compiled into JavaScript code by the Ahead of Time (AOT) compiler.
    All of the above

To use a component add its selector tag to the parent component's template?

Answer :
  • True

After the component, an instance is created and all dependency injections have been satisfied. Use this callback to do one-time initialization of the component instead of the constructor.

Answer :
  • ngOnInit()

Can set element body text using either [innerHTML] or using {{ }}.

Answer :
  • True

Interpolation Data Binding is used to achieve one-way data-binding i.e. From the Component to the View Template.

Answer :
  • True