Angular - Routes and Forms Fresco Play MCQs Answers

Angular - Routes and Forms Fresco Play MCQs Answers(0.6 Credits)

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Course Path: Modern Web Development/MV* FRAMEWORK/Angular - Routes and Forms

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Quiz On Dependency Injection

1.Which of the following provides data to components?

1. Pipes
2. Attributes
3. Services
4. Decorators

Answer: 3)Services

2.@Service decorator is used to create a new service.

1. True
2. False

Answer: 2)False

3.Service is a _______________.

1. Function
2. Dependency Injection
3. Class
4. Decorator

Answer: 3)Class

4.You define Service in __________.

1. Decorator
2. Component
3. Constructor
4. Class

Answer: 3)Constructor

5.Which of the following creates new services required by the applications?

1. Injectable
2. Component
3. Dependency Injection
4. Providers

Answer: 4)Providers

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Quiz On HTTP

1.The observable returns a single object alone in an HTTP request.

1. False
2. True

Answer: 2)True

2.An observable can handle multiple events.

1. False
2. True

Answer: 2)True

3.Promise returns single value when called.

1. False
2. True

Answer: 2)True

4.The PATCH method is used when sending passwords or other sensitive information.

1. False
2. True

Answer: 2)True

5.In an HTTP call, from where is the data fetched?

1. API
2. Component
3. @Input
4. Service

Answer: 1)API

Routing

1.Router defines mapping of URL to ______________.

1. Directive
2. Component
3. Pipes
4. HTML page

Answer: 2)Component

2.Which mechanism allows the user to navigate between components/views?

1. Routing
2. HTTP request
3. Services
4. Dependency Injection

Answer: 1)Routing

3.EventEmitter is a ________ defined in @angular/core module to emit custom events.

1. Service
2. Class
3. Module
4. Method

Answer: 2)Class

4.Which property of Routes defines the path of the component?

1. path
2. href
3. url
4. src

Answer: 1)path

5.Which of the following is affected/changed on loading components?

1. Observable
2. URL
3. Attribute Directive
4. Structural Directive

Answer: 2)URL

6.The following are router guard types, except _________.

1. CanActivateChild
2. CanDeactivate
3. CanDeactivateChild
4. CanActivate

Answer: 3)CanDeactivateChild

Quiz On Forms

1.Which function bootstraps the form to its pristine state?

1. ngSubmit
2. bootstrap
3. reset
4. next

Answer: 3)reset

2.You can prevent Angular2 from auto-validating the form by using _______.

1. validate=”manual”
2. form.novalidate
3. novalidate
4. validate=”disabled”

Answer: 3)novalidate

3.In Reactive forms, the HTML of the forms is automatically created.

1. True
2. False

Answer: 2)False

4.Which of the following will be true if the user changed the value of control?

1. valid
2. dirty
3. touched
4. Pristine

Answer: 2)dirty

5.FormGroups can nest inside other FormGroups.

1. False
2. True

Answer: 2)True

Angular 2 Routes and Forms - Final Assessment

1.Which property describes the path you want to redirect the user?

1. src
2. href
3. None of the options
4. redirectTo

Answer: 4)redirectTo

2.You add novalidate attribute to a form to prevent the browser from automatically validating.

1. True
2. False

Answer: 1)True

3._____________ acts as a container to store all the services required for creating a component.

1. imports
2. registerable
3. providers
4. injectables

Answer: 3)providers

4.The following are operators of observables, except ________.

1. filter
2. reduce
3. map
4. geo

Answer: 4)geo

5.Which decorator is optional if the class has any other decorator?

1. @output
2. @injectable
3. @Input
4. @component

Answer: 2)@injectable

6.You place _______________ where you want the components to be inserted.

1. router-inlet
2. router-outlet
3. None of the options
4. router-insert

Answer: 2)router-outlet

7._____________ is not a primary HTTP verb.

1. FETCH
2. GET
3. POST
4. PATCH

Answer: 1)FETCH

8._____________ decorator creates services.

1. @output
2. @injectable
3. @decorator
4. @services

Answer: 2)@injectable

9.Non-parameterized routes always take priority over parameterized routes.

1. False
2. True

Answer: 2)True

10.A promise is cancellable.

1. False
2. True

Answer: 1)False

11.FormsModule is imported from @angular/_________ in Model Driven Form.

1. None of the options
2. forms
3. core
4. form

Answer: 1)None of the options

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