React and RESTful APIs Quiz
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Question 1/15
In RESTful APIs, what is the typical use of query parameters in a URL?
Select your answer
Question 2/15
Consider this code snippet: What does it do?
```javascript
fetch('https://api.example.com/data')
.then(response => response.json())
.then(data => console.log(data));
```
fetch('https://api.example.com/data')
.then(response => response.json())
.then(data => console.log(data));
Select your answer
Question 3/15
What is the correct way to set headers for a RESTful API request using the Fetch API?
fetch('https://api.example.com/data', {
method: 'GET',
headers: { 'Content-Type': 'application/json' }
});
Select your answer
Question 4/15
In the context of RESTful APIs, what does the acronym CRUD stand for?
Select your answer
Question 5/15
Which of the following is a popular library for serving RESTful APIs in Node.js?
Select your answer
Question 6/15
When using the Fetch API in JavaScript, which method is used to parse the response as JSON?
Select your answer
Question 7/15
In a React component, where is it most appropriate to make a RESTful API call to fetch initial data?
Select your answer
Question 8/15
What does CORS stand for, and why is it important in the context of RESTful APIs?
Select your answer
Question 9/15
Which keyword is required in a function to define it as an asynchronous function using async/await?
Select your answer
Question 10/15
How can you handle errors when making a RESTful API call using the Fetch API?
Select your answer
Question 11/15
What does the HTTP 201 status code signify in the context of a RESTful API?
Select your answer
Question 12/15
How should a RESTful API handle requests to endpoints that are no longer available?
Select your answer
Question 13/15
In which scenario would you use the HTTP PATCH method when working with RESTful APIs?
Select your answer
Question 14/15
Which hook would you use in a functional component to perform a cleanup operation on component unmount in React?
Select your answer
Question 15/15
In RESTful services, what concept refers to clients being able to follow links provided in a response to discover related resources?
Select your answer
Your Results
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Your Answers
Question 1/15
😊 Your
answer was correct
🙁 Your
answer was incorrect
In RESTful APIs, what is the typical use of query parameters in a URL?
Available answers
Query parameters are used in RESTful APIs to filter, sort, or paginate resources without altering the resource itself.
Question 2/15
😊 Your
answer was correct
🙁 Your
answer was incorrect
Consider this code snippet: What does it do?
```javascript
fetch('https://api.example.com/data')
.then(response => response.json())
.then(data => console.log(data));
```
fetch('https://api.example.com/data')
.then(response => response.json())
.then(data => console.log(data));
Available answers
The code fetches data from the API endpoint, parses the JSON response, and logs it to the console.
Question 3/15
😊 Your
answer was correct
🙁 Your
answer was incorrect
What is the correct way to set headers for a RESTful API request using the Fetch API?
fetch('https://api.example.com/data', {
method: 'GET',
headers: { 'Content-Type': 'application/json' }
});
Available answers
Headers can be set in the options object passed to fetch, typically within the headers property.
Question 4/15
😊 Your
answer was correct
🙁 Your
answer was incorrect
In the context of RESTful APIs, what does the acronym CRUD stand for?
Available answers
CRUD stands for Create, Read, Update, Delete, which are the basic operations that can be performed on data via RESTful APIs.
Question 5/15
😊 Your
answer was correct
🙁 Your
answer was incorrect
Which of the following is a popular library for serving RESTful APIs in Node.js?
Available answers
Express.js is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications, often used for building RESTful APIs.
Question 6/15
😊 Your
answer was correct
🙁 Your
answer was incorrect
When using the Fetch API in JavaScript, which method is used to parse the response as JSON?
Available answers
response.json() is the method used to parse the body of the response as JSON data.
Question 7/15
😊 Your
answer was correct
🙁 Your
answer was incorrect
In a React component, where is it most appropriate to make a RESTful API call to fetch initial data?
Available answers
The componentDidMount lifecycle method is best for making initial API calls after the component mounts.
Question 8/15
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answer was correct
🙁 Your
answer was incorrect
What does CORS stand for, and why is it important in the context of RESTful APIs?
Available answers
CORS stands for Cross-Origin Resource Sharing. It is a security feature that allows or restricts requested resources on a web page from a different domain.
Question 9/15
😊 Your
answer was correct
🙁 Your
answer was incorrect
Which keyword is required in a function to define it as an asynchronous function using async/await?
Available answers
The
async
keyword is used to define an asynchronous function, enabling the use of await
within it.
Question 10/15
😊 Your
answer was correct
🙁 Your
answer was incorrect
How can you handle errors when making a RESTful API call using the Fetch API?
Available answers
You can handle errors by using the catch method on the Promise returned by fetch.
Question 11/15
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answer was correct
🙁 Your
answer was incorrect
What does the HTTP 201 status code signify in the context of a RESTful API?
Available answers
The 201 status code indicates that a request has resulted in the successful creation of a resource.
Question 12/15
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answer was correct
🙁 Your
answer was incorrect
How should a RESTful API handle requests to endpoints that are no longer available?
Available answers
The API should return a 404 status code to indicate that the endpoint is no longer available.
Question 13/15
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answer was correct
🙁 Your
answer was incorrect
In which scenario would you use the HTTP PATCH method when working with RESTful APIs?
Available answers
The PATCH method is used for making partial updates to a resource, unlike PUT, which replaces the entire resource.
Question 14/15
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answer was correct
🙁 Your
answer was incorrect
Which hook would you use in a functional component to perform a cleanup operation on component unmount in React?
Available answers
useEffect is the hook used for cleanup operations. By returning a function inside useEffect, you can perform cleanup on component unmount.
Question 15/15
😊 Your
answer was correct
🙁 Your
answer was incorrect
In RESTful services, what concept refers to clients being able to follow links provided in a response to discover related resources?
Available answers
HATEOAS (Hypermedia as the Engine of Application State) refers to a constraint of the REST application architecture that allows clients to dynamically navigate to related resources using links provided in the server responses.