The Complete React Developer Course (with Hooks and Redux) - Dispatching Actions

The Complete React Developer Course (with Hooks and Redux) - Dispatching Actions

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

This video tutorial explains how actions in Redux allow changes to the store. It covers defining actions as objects, dispatching them to the store, and using reducers to handle these actions. The tutorial demonstrates increment, decrement, and reset actions, and explains the use of switch statements in reducers for better scalability. It concludes with a recap and hints at more advanced techniques for managing state in Redux.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of actions in Redux?

To handle API requests

To describe changes to the Redux store

To manage user authentication

To store data permanently

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key characteristic of a Redux action object?

It is a string

It must contain a payload

It is a function

It describes the type of action

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you send an action object to the Redux store?

Using store.replaceReducer()

Using store.subscribe()

Using store.dispatch()

Using store.getState()

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using if statements in handling Redux actions?

To initialize the Redux store

To log actions to the console

To fetch data from an API

To determine which action type to handle

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is immutability important when updating the Redux store state?

It ensures predictable state changes

It allows for faster API calls

It prevents accidental data loss

It reduces memory usage

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a benefit of using switch statements over if statements in Redux?

They are faster to execute

They are easier to read and scale

They require less code

They automatically handle errors

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the decrement action do in the Redux store?

Increases the count by 1

Resets the count to 0

Decreases the count by 1

Multiplies the count by 2

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