Angular MCQs with Answers

How does Angular 4 improved error handling, when an error is caused by something in a template?

By enabling TypeScript's StrictNullChecks

By creating flattened versions of Angular modules

By generating source maps in terms of original template

None of the above

Correct Answer : By creating flattened versions of Angular modules

Recent Updates in Angular

Q .

When using FormBuilder, how are validation rules specified?

As part of the FormControl configuration: heroName: ['', Validators.required]

As part of the FormControl configuration: heroName: [Validators.required, '']

As standard HTML validation attributes added to the input element

As part of the input element binding: formControl="[heroName, Validators.required]"

Correct Answer : As part of the FormControl configuration: heroName: ['', Validators.required]

Q .

Which of the following will map the name of an input parameter "userData" to a field named "users"?

@Input('userData') users

@Input() userData: users

@Input() users: userData

@Input('users') userData

Correct Answer : @Input('userData') users

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