Angular MCQs with Answers

What is the purpose of FormBuilder?
A)
Generates the form elements from data properties in the component class
B)
Creates the form data structure from a specified configuration when building reactive forms
C)
Creates the form data structure from a specified configuration when building template-driven forms
D)
Creates the form data structure from a specified configuration when building template-driven forms

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

Recent Updates in Angular
Q .
When using FormBuilder, how are validation rules specified?
A)
As part of the FormControl configuration: heroName: ['', Validators.required]
B)
As part of the FormControl configuration: heroName: [Validators.required, '']
C)
As standard HTML validation attributes added to the input element
D)
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"?
A)
@Input('userData') users
B)
@Input() userData: users
C)
@Input() users: userData
D)
@Input('users') userData

Correct Answer :   @Input('userData') users

Quick Links
Interview Questions
S/W Technology
Civil,   Mech
ECE,   EEE
More Technologies
MCQ (or) Quiz
S/W Technology
Civil,   Mech
ECE,   EEE
Aeronautical
Example Programs
C Language,   C++,   Java,   PHP,   Python
Articles
Marketing Management
Tech Updates
Tech Articles
Tools
Color Picker
Interest Calculator
EMI Calculator
Vehicle EMI Calculator
Compailers
HTML
C & CPP
PHP
Python