InterviewQueries.

Angular 2 MCQ

Sharad Jaiswal
20th Nov, 2021

We are introducing here the best Angular 2 MCQ Questions, which are very popular & cover the latest and important topics of Angular 2. This Angular 2 MCQ Test contains Top 35 Angular 2 Multiple Choice Questions and Answers, so practice these questions to check your final preparation for Angular Exams, Interviews & Placement Drives. When you choose an option for these questions, the green color belongs to the right option & the red color belongs to the wrong option.

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Angular 2 MCQ

Angular 2 MCQ Questions

1) Angular 2 integrates easily with NativeScript, allowing you to code your native app in a . . . . . . . . . style that can run on any mobile device platform.

A. interrogative
B.exclamatory
C.declarative
D.imperative

2) Since Angular 2 defines a set of built-in directives, the . . . . . . . . method passes them in a similar way in order to make them available in the entire application in order to prevent us from code duplications.

A. startup
B.constructor
C.bootstrap
D.initialization

3) What are the new features of Angular2?

A. Component-Based
B.Directives
C.Dependency Injection
D.All of these

4) Angular 2 is using . . . . . . . . to detect changes.

A. zone.js
B.zones.js
C.Scope.js
D.zone$.js

5) Angular 2 can detect when component data changes, and then automatically re-render the view to reflect that change.

A. False
B.True
C.Both
D.None

6) On the opposite side of event bindings (()) lie Angular's square-bracket syntax ([]) which signify a . . . . . .

A. property binding
B.class binding
C.style binding
D.Both A & B

7) Angular 2 is entirely component based. Controllers and $scope are no longer used. They have been replaced by . . . . . . . and . . . . . . . .

A. components, directives
B.controllers, directives
C.$scopes, components
D.components, controllers

8) Angular 2 components can be described using . . . . . . A . . . . . . is a way to do some meta-programming.

A. typescripts, typescript
B.decorators, decorator
C.loaders, loader
D.controllers, controller

9) Angular 1 core concept was $scope, and you will not find $scope in angular 2.0. Angular 2 is using . . . . . . . . to detect changes.

A. zone.js
B.zones.js
C.Scope.js
D.zone$.js

10) Interpolation in angular 2 is done using

A. {{}}
B.{{{}}}
C.!!!!
D.{{|var}}

11) Which character is used for chaining multiple pipes in Angular

A. -
B.:
C.\
D.|

12) Which of the following is not a hook in Angular 2 application life cycle.

A. ngAfterViewInit
B.ngViewStart
C.ngOnInit
D.ngOnChanges

13) Which of the following is the correct way to apply a filter?

A. - Property-value && filter
B.- Property-value | filter
C.Property-value & filter
D.- Property-value || filter

14) Select the syntax for two-way data binding in angular.

A. None of these
B.[target]="expression"
C.(target)="statement"
D.[(target)]="expression"

15) Indentify the syntax of data binding in angular of one-way - form view target of data source.

A. [(target)]="expression"
B.on-target="statement"
C.[target]="expression"
D.None of these

16) identify the results, if value of start parameter, is negative and greater than the size of the list or string expression, in slicepipe of angular.

A. return an empty list of string
B.returns a part of list or string
C.depends upon the text
D.return entire list or string

17) What is the language of the angular template.

A. html
B.java
C.css
D.javascript

18) Highlight the syntax for two-way data binding in angular.

A. bind-target="expression"
B.None of these
C.bindon-target="expression"
D.on-target="statement"

19) What is not involved in writing a angular structural directive

A. Import the input, templateref, and viewcontainerref sysmbols
B.Import the directive decorator.
C.Apply the decorator to the directive class.
D.All of these

20) Select the correct syntax, for adding an ngclass property binding to currentclasses in angular.

A. <div [ngclass]="currentclasses">this div is initially saveable, unchanged, and special</div>
B.<div (ngclass)="currentclasses">this div is initially saveable, unchanged, and special</div>
C.<div [currentclasses]="ngclasses"> this div is initially saveable, unchanged, and special</div>
D.<div (currentclasses)="ngclasses"> this div is initially saveable, unchanged, and special</div>

21) Select the correct syntax for angular template which binds property value to the results of expression first name.

A. <input {value}="firstname">
B.<input [{value}]="firstname">
C.<input (value)="firstname">
D.<input [value]="firstname">

22) Select the correct syntax for angular template which binds style property width to the results of expression mysize in pixels. units are optional.

A. <div (style.width.px)="mysize">
B.<div {style.width.px}="mysize">
C.<div {[style.width.px]}="mysize">
D.<div [style.width.px]="mysize">

23) Which of the following is not an built-in pipe in angular

A. sentencecasepipe
B.datapipe
C.uppercasepipe
D.lowercasepipe

24) whice operator is not supported by template expression in angular.

A. ++
B.&
C.=
D.+=

25) Angular 2 make use of the . . . . . . . module syntax.

A. ES2016
B.ES2015
C.ES2016a
D.ES2017

26) In Angular 2, applications rely upon the . . . . . . . method to load top-level components

A. loadstrap
B.bootstrap
C.bootload
D.none of above

27) Angular 2 has a . . . . . . . service that allows us to dynamically load a component in a certain position on the page.

A. DynamicComponentLoader
B.DynaCompLoader
C.DynamicControllerLoader
D.DynamicControlLoader

28) If you chain multiple pipes together, they are executed

A. in parallel
B.LIFO order
C.in the order in which you specify them
D.None of above

29) What is the decorator used for configuring your module class?

A. @NgApp
B.@NgAngular
C.@NgModule
D.@NgConfigure

30) Which of the following is the advantage of Aot compilation?

A. Detect error at build time
B.Works only with HTML and CSS
C.Needs cleanup step before compiling
D.Need to maintain AOT version of bootstrap file

31) Which file is responsible for startup of angular 2 project?

A. app.ts
B.main.ts
C.index.js
D.angular.cli.json

32) What does AOT stand for

A. Angular Open Terminal
B.ahead-of-time compilation
C.Angular Object Templates
D.None of the above

33) Which of the following is not the feature of Angular 2?

A. Services
B.TypeScript
C.Multithread
D.Components

34) Angular 2 Metadata can be used to add more data to an Angular JS class.

A. True
B.False

35) Angular 2 still does not provide nested components.

A. True
B.False

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