What is the correct function for registering custom taxonomies?

is_single is used to get which of the following?

Which global object should you use if you'd like to interact with the WordPress database directly?

Which wp-config.php constant defines the path for your content folder?

Securing the wp-admin/ directory might break some WordPress functionality, such as the AJAX handler at wp-admin/admin-ajax.php.

This code remove_action('wp_head', 'wp_generator'); to remove WP generator meta tag. In which file should you place this code?

To improve WordPress security it is advisable to completely remove your WordPress version number from both your head file and RSS feeds. Which of the following methods achieves this.

When using the WordPress Settings API to create a custom settings screen, which function is used to output the settings sections and fields?

What WordPress function allows you to add an RSS feed to your template?

What parameters do you need to pass to the get_the_author_meta()?

Which functions is deprecated?