# Knowledge check: Best practice principles - UI/UX

1. **Why would you use a progress indicator in form design? Select all that apply.**
    
    * <mark>Users can go back and review content.</mark>
        
    * Users can see the time left to complete the form.
        
    * <mark>Users can see where they are in the flow.</mark>
        
2. **Most websites require that a password consists of a mix of lowercase and capital letters, symbols and numbers. Should you provide clear instructions giving the user immediate feedback on their choice of password?**
    
    * <mark>Yes</mark>
        
    * No
        
3. **Why do you space input fields? Select all that apply.**
    
    * <mark>The user can see that each field is unique.</mark>
        
    * <mark>To implement logical grouping to make the form more understandable.</mark>
        
    * To make the UI more appealing.
        
    * <mark>The user can identify the labels that refer to the input.</mark>
        
4. **A component, such as a button, cannot be reused on a website or an app.**
    
    * True
        
    * <mark>False</mark>
        
5. **Can a header be considered a component?**
    
    * <mark>Yes</mark>
        
    * No
        

---

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1726541077963/8306f572-68f2-486e-90be-4859b0f0e4e7.png align="center")