Vue.js and RESTful APIs Quiz

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Question 1/15

Which Vue.js feature allows you to dynamically bind HTML attributes to data properties?

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Question 2/15

In Vue.js, which lifecycle hook is most commonly used for fetching data from a REST API?

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Question 3/15

What is the benefit of using async/await over traditional Promise chains when fetching data in Vue.js?

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Question 4/15

When an API returns paginated data, how can you handle this in a Vue.js application?

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Question 5/15

Which header is commonly included in requests to REST APIs to specify the expected response format in a Vue.js app?

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Question 6/15

Why is cross-origin resource sharing (CORS) important when working with RESTful APIs in Vue.js?

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Question 7/15

What HTTP method is typically used to retrieve data from a RESTful API when working with a Vue.js application?

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Question 8/15

How can you access query parameters from a URL in a Vue.js application using Vue Router?

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Question 9/15

Which JavaScript feature allows for handling asynchronous operations, such as API calls, in Vue.js?

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Question 10/15

What does the 'async' keyword signify in front of a function in Vue.js scripts?

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Question 11/15

How do you iterate over an array of data retrieved from a RESTful API in a Vue.js component template?

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Question 12/15

What would you use to ensure that API data updates when navigating back to a Vue.js component using Vue Router?

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Question 13/15

How can you send a POST request to a RESTful API using Axios in a Vue.js component?
axios.post('/api/data', { name: 'John Doe' })
  .then(response => {
    console.log(response);
  })
  .catch(error => {
    console.error(error);
  });

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Question 14/15

What is the purpose of the v-if directive when working with REST API data in Vue.js?

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Question 15/15

Which Vue.js feature closely integrates with RESTful APIs for real-time data fetching and updating?

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Your Answers

Question 1/15
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Which Vue.js feature allows you to dynamically bind HTML attributes to data properties?

Available answers

The v-bind directive is used in Vue.js to bind HTML attributes to Vue data properties or expressions, allowing for dynamic updates.
Question 2/15
😊 Your answer was correct 🙁 Your answer was incorrect
In Vue.js, which lifecycle hook is most commonly used for fetching data from a REST API?

Available answers

The created lifecycle hook is used to fetch data from an API as soon as the Vue instance is created. This allows the data to be available immediately after the instance is initialized.
Question 3/15
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What is the benefit of using <code>async/await</code> over traditional Promise chains when fetching data in Vue.js?

Available answers

The async/await syntax simplifies async code by making it look and be structured in a synchronous manner, which enhances code readability and maintenance.
Question 4/15
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When an API returns paginated data, how can you handle this in a Vue.js application?

Available answers

Paginated data in APIs can be handled by incrementally fetching data pages as required based on user requests such as scrolling or clicking through pages, thus optimizing performance.
Question 5/15
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Which header is commonly included in requests to REST APIs to specify the expected response format in a Vue.js app?

Available answers

The Accept: application/json header is used to tell the server that the client expects JSON formatted data in response.
Question 6/15
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Why is cross-origin resource sharing (CORS) important when working with RESTful APIs in Vue.js?

Available answers

CORS is a security feature implemented by browsers to allow or restrict requests that are made cross-domain, essential for frontend applications calling remote APIs.
Question 7/15
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What HTTP method is typically used to retrieve data from a RESTful API when working with a Vue.js application?

Available answers

The GET method is used to request data from a specified resource. It is commonly used to fetch data from RESTful APIs in a Vue.js application.
Question 8/15
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How can you access query parameters from a URL in a Vue.js application using Vue Router?

Available answers

Vue Router provides access to query parameters through this.$route.query, which can be used within any component using Vue Router for client-side routing.
Question 9/15
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Which JavaScript feature allows for handling asynchronous operations, such as API calls, in Vue.js?

Available answers

Promises are used in JavaScript to handle asynchronous operations such as API calls. They allow you to chain operations and handle success and failure cases.
Question 10/15
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What does the 'async' keyword signify in front of a function in Vue.js scripts?

Available answers

The async keyword allows you to write asynchronous functions using syntax that makes them look synchronous. Inside these functions, you can use await to wait for a promise to resolve.
Question 11/15
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How do you iterate over an array of data retrieved from a RESTful API in a Vue.js component template?

Available answers

The v-for directive is used to render a list of items by iterating over an array or an object in a Vue.js template.
Question 12/15
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What would you use to ensure that API data updates when navigating back to a Vue.js component using Vue Router?

Available answers

The activated lifecycle hook is triggered when a component is re-entered due to navigation and is used to refresh or update data when returning to a cached component.
Question 13/15
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How can you send a POST request to a RESTful API using Axios in a Vue.js component?
axios.post('/api/data', { name: 'John Doe' })
  .then(response => {
    console.log(response);
  })
  .catch(error => {
    console.error(error);
  });

Available answers

The code snippet shows how to send a POST request using Axios by providing the URL and the data to be sent. This allows you to submit data to the server's endpoint.
Question 14/15
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What is the purpose of the <code>v-if</code> directive when working with REST API data in Vue.js?

Available answers

The v-if directive is used to conditionally render elements based on a boolean expression, such as whether the data from a REST API has been successfully fetched.
Question 15/15
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Which Vue.js feature closely integrates with RESTful APIs for real-time data fetching and updating?

Available answers

Vuex store actions are designed to handle asynchronous operations like data fetching from RESTful APIs, and mutations update the state based on the result, thus enabling real-time updates.