Angular Online Quiz, Angular MCQ Quiz & Online Test

1 .

Which is the correct command to create a component named CustomerDetailComponent with the CLI (with this exact casing)?

ng generate component customerdetail

ng create component customer-detail

ng c c customer-detail

ng generate component customer-detail

Correct Answer : Option (D)

ng generate component customer-detail

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2 .

What is the purpose of FormBuilder?

Generates the form elements from data properties in the component class

Creates the form data structure from a specified configuration when building reactive forms

Creates the form data structure from a specified configuration when building template-driven forms

Correct Answer : Option (B)

Creates the form data structure from a specified configuration when building reactive forms

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3 .

Which Angular CLI flag will not generate unit tests for a component?

--spec false

--testing false

--unit-test false

--test false

Correct Answer : Option (A)

--spec false

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4 .

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 : Option (A)

@Input('userData') users

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5 .

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 : Option (A)

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

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