What is the purpose of a nonce?

Which is NOT a supported post format?

Which file would you create/modify in your theme to customize a search form?

In order to remove a .css file that is loaded by a plugin, which function is going to be used inside the theme's functions.php file?

If you want to retrieve specific WordPress site users you'll use

Which functions check if a post has featured image?

Which function does WordPress use to remove certain HTML text and attributes from user input?

How do you use the WP_Widget class to create a new widget?

What does wp_filter_kses() function do?

What function allows you to switch between blogs on your installed WordPress network?

The get_option and update_option functions will serialize and unserialize arrays and objects automatically.