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React and RESTful APIs Quiz

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Question 1/15

In RESTful services, what concept refers to clients being able to follow links provided in a response to discover related resources?

Select your answer

Scalability

Statelessness

Hypermedia as the engine of application state (HATEOAS)

Uniform Interface

Question 2/15

Which of the following tools can be used to simulate RESTful API calls during development in React?

Select your answer

Redux

Postman

Babel

Webpack

Question 3/15

What does the HTTP 201 status code signify in the context of a RESTful API?

Select your answer

A resource has been successfully created

The server failed to process the request

The client's request is authorized

The requested resource has been permanently moved

Question 4/15

When using Axios, which function is commonly used to handle data transformation before it is sent to the server?

axios.post('/user', {name: 'John'}, {
  transformRequest: [(data, headers) => {
    // Transform the data
    return data;
  }]
});

Select your answer

dataValidator

transformRequest

transformResponse

beforeSend

Question 5/15

Which status code is returned when a RESTful API request is unauthorized and authentication has failed or hasn't been provided?

Select your answer

401

200

301

403

Question 6/15

Which hook would you use in a functional component to perform a cleanup operation on component unmount in React?

Select your answer

useReducer

useEffect

useContext

useState

Question 7/15

In the context of RESTful APIs, what does the acronym CRUD stand for?

Select your answer

Compile, Run, Update, Debug

Calculate, Regulate, Use, Destroy

Connect, Retrieve, Undo, Do

Create, Read, Update, Delete

Question 8/15

What React feature is typically used to manage state across multiple components, especially when dealing with data from APIs?

Select your answer

Context API

React Router

Event handlers

Lifecycle methods

Question 9/15

Which attribute should you add to a fetch request to allow credentials (like cookies) to be sent cross-domain?

fetch('https://api.example.com/data', {
  method: 'GET',
  credentials: 'include'
});

Select your answer

credentials: true

credentials: 'include'

mode: 'cors'

allowCredentials: true

Question 10/15

What is the significance of the Accept header in making a RESTful API request?

fetch('https://api.example.com/data', {
  headers: {
    'Accept': 'application/json'
  }
});

Select your answer

It authenticates the user session

It defines the expected media type of the response

It indicates the file size limit for responses

It specifies directives for caching

Question 11/15

In a React component, where is it most appropriate to make a RESTful API call to fetch initial data?

Select your answer

In the render method

In the componentDidUpdate lifecycle method

In the componentDidMount lifecycle method

In the constructor method

Question 12/15

In RESTful APIs, what is the typical use of query parameters in a URL?

Select your answer

To define the endpoint's HTTP method

To namespacing the API

To authenticate the request

To filter or sort resources

Question 13/15

In which scenario would you use the HTTP PATCH method when working with RESTful APIs?

Select your answer

To upload large files to the server

To partially update a resource

To delete a resource

To retrieve a resource

Question 14/15

Which of the following is a popular library for serving RESTful APIs in Node.js?

Select your answer

React

Express.js

Webpack

Lodash

Question 15/15

What does the HTTP response status code 404 indicate in a RESTful service?

Select your answer

The requested resource was not found

The client must authenticate itself to get the requested response

There was a server error

The request was successful

Your Results

You did not answer any questions correctly.

Your Answers

Question 1/15

🙁 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

Scalability

Statelessness

Hypermedia as the engine of application state (HATEOAS)

Uniform Interface

Question 2/15

🙁 Your answer was incorrect

Which of the following tools can be used to simulate RESTful API calls during development in React?

Available answers

Redux

Postman

Babel

Webpack

Question 3/15

🙁 Your answer was incorrect

What does the HTTP 201 status code signify in the context of a RESTful API?

Available answers

A resource has been successfully created

The server failed to process the request

The client's request is authorized

The requested resource has been permanently moved

Question 4/15

🙁 Your answer was incorrect

When using Axios, which function is commonly used to handle data transformation before it is sent to the server?

axios.post('/user', {name: 'John'}, {
  transformRequest: [(data, headers) => {
    // Transform the data
    return data;
  }]
});

Available answers

dataValidator

transformRequest

transformResponse

beforeSend

Axios provides the transformRequest function to modify the data before it is sent to the server.

Question 5/15

🙁 Your answer was incorrect

Which status code is returned when a RESTful API request is unauthorized and authentication has failed or hasn't been provided?

Available answers

401

200

301

403

Question 6/15

🙁 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

useReducer

useEffect

useContext

useState

Question 7/15

🙁 Your answer was incorrect

In the context of RESTful APIs, what does the acronym CRUD stand for?

Available answers

Compile, Run, Update, Debug

Calculate, Regulate, Use, Destroy

Connect, Retrieve, Undo, Do

Create, Read, Update, Delete

Question 8/15

🙁 Your answer was incorrect

What React feature is typically used to manage state across multiple components, especially when dealing with data from APIs?

Available answers

Context API

React Router

Event handlers

Lifecycle methods

Question 9/15

🙁 Your answer was incorrect

Which attribute should you add to a fetch request to allow credentials (like cookies) to be sent cross-domain?

fetch('https://api.example.com/data', {
  method: 'GET',
  credentials: 'include'
});

Available answers

credentials: true

credentials: 'include'

mode: 'cors'

allowCredentials: true

To send credentials (like cookies), add

credentials: 'include'

to the fetch request options.

Question 10/15

🙁 Your answer was incorrect

What is the significance of the Accept header in making a RESTful API request?

fetch('https://api.example.com/data', {
  headers: {
    'Accept': 'application/json'
  }
});

Available answers

It authenticates the user session

It defines the expected media type of the response

It indicates the file size limit for responses

It specifies directives for caching

Question 11/15

🙁 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

In the render method

In the componentDidUpdate lifecycle method

In the componentDidMount lifecycle method

In the constructor method

Question 12/15

🙁 Your answer was incorrect

In RESTful APIs, what is the typical use of query parameters in a URL?

Available answers

To define the endpoint's HTTP method

To namespacing the API

To authenticate the request

To filter or sort resources

Question 13/15

🙁 Your answer was incorrect

In which scenario would you use the HTTP PATCH method when working with RESTful APIs?

Available answers

To upload large files to the server

To partially update a resource

To delete a resource

To retrieve a resource

Question 14/15

🙁 Your answer was incorrect

Which of the following is a popular library for serving RESTful APIs in Node.js?

Available answers

React

Express.js

Webpack

Lodash

Question 15/15

🙁 Your answer was incorrect

What does the HTTP response status code 404 indicate in a RESTful service?

Available answers

The requested resource was not found

The client must authenticate itself to get the requested response

There was a server error

The request was successful

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