Aurelia MCQs and Answers With Explanation: If you’re an aspiring or experienced web developer interested in learning Aurelia, then you’ve landed in the right place. In this article, we’ve compiled a set of the top 30 Aurelia MCQs and answers with detailed explanations. These Aurelia MCQ questions and answers cover various topics, including Aurelia components, data binding, lifecycle hooks, and more.
Aurelia Multiple Choice Questions and Answers
This Aurelia quiz is an excellent resource for evaluating your Aurelia expertise and identifying knowledge gaps. So, let’s dive into the Aurelia multiple-choice questions and answers and test your Aurelia knowledge.
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Aurelia MCQs and Answers
| Name | Aurelia |
| Exam Type | MCQ (Multiple Choice Questions) |
| Category | Technical Quiz |
| Mode of Quiz | Online |
Top 30 Aurelia MCQs
1. What is Aurelia?
a) A front-end web framework
b) A back-end web framework
c) A programming language
d) A database management system
Ans: a) A front-end web framework
Explanation: Aurelia is a modern front-end web framework written in JavaScript that allows developers to create dynamic and robust single-page applications.
2. Which of the following is not a feature of Aurelia?
a) Two-way data binding
b) Dependency injection
c) Component-based architecture
d) Client-side routing
Ans: d) Client-side routing
3. Explanation: Aurelia does include client-side routing as a feature, making this option incorrect.
Which of the following is not a key concept of Aurelia?
a) Components
b) Templates
c) Services
d) Modules
Ans: d) Modules
4. Explanation: While modules are a common programming concept, they are not specifically tied to Aurelia, making this option incorrect.
What is the primary language used to develop Aurelia applications?
a) Java
b) Python
c) JavaScript
d) Ruby
Ans: c) JavaScript
Explanation: Aurelia is written in JavaScript, making it the primary language used to develop Aurelia applications.
5. Which of the following is a key benefit of using Aurelia?
a) Faster development time
b) Lower cost
c) Easier debugging
d) All of the above
Ans: d) All of the above
Explanation: Aurelia provides a number of benefits to developers, including faster development time, lower cost, and easier debugging.
6. What is the purpose of the Aurelia CLI?
a) To create new Aurelia projects
b) To manage dependencies
c) To compile and bundle Aurelia applications
d) All of the above
Ans: d) All of the above
Explanation: The Aurelia CLI is a command-line interface tool that allows developers to create new Aurelia projects, manage dependencies, and compile and bundle Aurelia applications.
7. Which of the following is not a built-in Aurelia feature?
a) Virtual DOM
b) Lifecycle hooks
c) Lazy loading
d) State management
Ans: d) State management
Explanation: While state management is an important aspect of many applications, it is not a built-in feature of Aurelia, making this option incorrect.
8. What is the purpose of the Aurelia Router?
a) To manage client-side routing
b) To manage server-side routing
c) To handle HTTP requests
d) To handle API calls
Ans: a) To manage client-side routing
Explanation: The Aurelia Router is a built-in feature of Aurelia that allows developers to manage client-side routing in their applications.
9. What is the syntax for defining a new Aurelia component?
a) @component()
b) export class Component
c) Both a and b
d) None of the above
Ans: b) export class Component
Explanation: To define a new Aurelia component, developers use the export class syntax, followed by the name of the component.
10. Which of the following is not a common file extension for Aurelia components?
a) .js
b) .html
c) .css
d) .php
Ans: d) .php
Explanation: While .js, .html, and .css are all common file extensions for Aurelia components, .php is not typically used in this context.
11. What is the purpose of the Aurelia binding engine?
a) To manage data binding in Aurelia applications
b) To manage routing in Aurelia applications
c) To manage state in Aurelia applications
d) To manage authentication in Aurelia applications
Ans: a) To manage data binding
Explanation: The Aurelia binding engine is responsible for managing data binding in Aurelia applications, allowing developers to create dynamic and reactive user interfaces.
12. What is the syntax for one-way data binding in Aurelia?
a) {{data}}
b) [data]
c) (data)
d) ${data}
Ans: b) [data]
Explanation: One-way data binding in Aurelia is denoted using the [data] syntax.
13. What is the syntax for two-way data binding in Aurelia?
a) {{data}}
b) [data]
c) (data)
d) [(data)]
Ans: d) [(data)]
Explanation: Two-way data binding in Aurelia is denoted using the [(data)] syntax.
14. What is the purpose of dependency injection in Aurelia?
a) To manage application state
b) To handle server-side routing
c) To provide reusable services and components
d) To handle HTTP requests
Ans: c) To provide reusable services and components
Explanation: Dependency injection in Aurelia allows developers to create reusable services and components that can be easily shared across their applications.
15. What is the syntax for registering a new dependency in Aurelia?
a) @register()
b) export class Dependency
c) import {Dependency} from ‘aurelia-dependency-injection’
d) None of the above
Ans: c) import {Dependency} from ‘aurelia-dependency-injection’
Explanation: To register a new dependency in Aurelia, developers use the import statement to import the Dependency class from the ‘aurelia-dependency-injection’ module.
16. What is the purpose of the Aurelia EventAggregator?
a) To manage client-side routing
b) To manage server-side routing
c) To provide a centralized messaging system
d) To handle HTTP requests
Ans: c) To provide a centralized messaging system
Explanation: The Aurelia EventAggregator provides a centralized messaging system that allows different parts of an Aurelia application to communicate with one another.
17. What is the syntax for subscribing to an event in Aurelia?
a) eventAggregator.subscribe(‘eventName’, handlerFunction)
b) this.eventAggregator.subscribe(‘eventName’, handlerFunction)
c) this.subscribe(‘eventName’, handlerFunction)
d) eventAggregator.on(‘eventName’, handlerFunction)
Ans: b) this.eventAggregator.subscribe(‘eventName’, handlerFunction)
Explanation: To subscribe to an event using the Aurelia EventAggregator, developers use the this.eventAggregator.subscribe() syntax.
18. What is the syntax for publishing an event in Aurelia?
a) eventAggregator.publish(‘eventName’, eventData)
b) this.eventAggregator.publish(‘eventName’, eventData)
c) this.publish(‘eventName’, eventData)
d) eventAggregator.emit(‘eventName’, eventData)
Ans: b) this.eventAggregator.publish(‘eventName’, eventData)
Explanation: To publish an event using the Aurelia EventAggregator, developers use the this.eventAggregator.publish() syntax.
19. What is the purpose of the Aurelia HTTP client?
a) To manage client-side routing
b) To manage server-side routing
c) To handle HTTP requests
d) To handle API calls
Ans: c) To handle HTTP requests
Explanation: The Aurelia HTTP client is a built-in feature of Aurelia that allows developers to handle HTTP requests in their applications.
20. What is the syntax for making a GET request using the Aurelia HTTP client?
a) http.get(‘url’)
b) this.http.get(‘url’)
c) this.get(‘url’)
d) http.request(‘GET’, ‘url’)
Ans: b) this.http.get(‘url’)
Explanation: To make a GET request using the Aurelia HTTP client, developers use the this.http.get() syntax.
21. What is the syntax for making a POST request using the Aurelia HTTP client?
a) http.post(‘url’, data)
b) this.http.post(‘url’, data)
c) this.post(‘url’, data)
d) http.request(‘POST’, ‘url’, data)
Ans: b) this.http.post(‘url’, data)
Explanation: To make a POST request using the Aurelia HTTP client, developers use the this.http.post() syntax.
22. What is the syntax for setting headers when making a request using the Aurelia HTTP client?
a) http.get(‘url’, {headers: {‘Content-Type’: ‘application/json’}})
b) this.http.get(‘url’, {headers: {‘Content-Type’: ‘application/json’}})
c) this.get(‘url’, {headers: {‘Content-Type’: ‘application/json’}})
d) http.request(‘GET’, ‘url’, {headers: {‘Content-Type’: ‘application/json’}})
Ans: b) this.http.get(‘url’, {headers: {‘Content-Type’: ‘application/json’}})
Explanation: To set headers when making a request using the Aurelia HTTP client, developers use the {headers: {}} syntax, with the headers they want to set inside the curly braces.
23. What is the syntax for configuring the Aurelia router?
a) @router()
b) export class RouterConfiguration
c) import {RouterConfiguration} from ‘aurelia-router’
d) None of the above
Ans: c) import {RouterConfiguration} from ‘aurelia-router’
Explanation: To configure the Aurelia router, developers use the import statement to import the RouterConfiguration class from the ‘aurelia-router’ module.
24. What is the syntax for defining a route in the Aurelia router?
a) {route: ‘path’, moduleId: ‘module’}
b) {path: ‘route’, component: ‘component’}
c) {route: ‘path’, component: ‘component’}
d) {path: ‘route’, moduleId: ‘module’}
Ans: d) {path: ‘route’, moduleId: ‘module’}
Explanation: To define a route in the Aurelia router, developers use the {path: ”, moduleId: ”} syntax, with the path and moduleId values they want to use for the route.
25. What is the syntax for navigating to a route in the Aurelia router?
a) this.router.navigate(‘route’)
b) this.navigate(‘route’)
c) this.router.go(‘route’)
d) this.go(‘route’)
Ans: a) this.router.navigate(‘route’)
Explanation: To navigate to a route using the Aurelia router, developers use the this.router.navigate() syntax, with the name of the route they want to navigate to.
26. What is the purpose of the Aurelia CLI?
a) To generate new Aurelia projects
b) To manage dependencies in Aurelia applications
c) To provide a development server for Aurelia applications
d) To deploy Aurelia applications to production
Ans: a) To generate new Aurelia projects
Explanation: The Aurelia CLI is a command-line interface tool that allows developers to generate new Aurelia projects with a set of pre-configured files and directories.
27. What is the purpose of the Aurelia CLI’s serve command?
a) To manage dependencies in Aurelia applications
b) To provide a development server for Aurelia applications
c) To deploy Aurelia applications to production
d) To optimize Aurelia applications for performance
Ans: b) To provide a development server for Aurelia applications
Explanation: The Aurelia CLI’s serve command starts a development server that allows developers to view and test their Aurelia applications in a web browser.
28. What is the purpose of the Aurelia CLI’s build command?
a) To manage dependencies in Aurelia applications
b) To provide a development server for Aurelia applications
c) To deploy Aurelia applications to production
d) To optimize Aurelia applications for performance
Ans: c) To deploy Aurelia applications to production
Explanation: The Aurelia CLI’s build command compiles and bundles an Aurelia application’s source code into a set of optimized files that can be deployed to a production server.
29. What is the syntax for using the Aurelia CLI to generate a new Aurelia project?
a) aurelia new my-app
b) ng new my-app
c) react new my-app
d) vue new my-app
Ans: a) aurelia new my-app
Explanation: To use the Aurelia CLI to generate a new Aurelia project, developers use the aurelia new command followed by the name of their new project.
30. Which of the following is an Aurelia plugin that provides a collection of UI components?
a) Aurelia-Validation
b) Aurelia-Router
c) Aurelia-Dialog
d) Aurelia-UX
Ans: d) Aurelia-UX
Explanation: Aurelia-UX is an Aurelia plugin that provides a collection of UI components, such as buttons, forms, and menus, that can be easily used in Aurelia applications.
This article provided the Aurelia MCQs and Answers With an Explanation, covering various aspects of Aurelia. It is a valuable resource for improving Aurelia proficiency. To acquire new knowledge every day, make sure to follow us regularly @ freshersnow.com.