Which function would you use to find out whether a certain action in WordPress has already been fired?

Which functions is deprecated?

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

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

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

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.

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

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

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

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

is_single is used to get which of the following?