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.

Which function displays a login link?

In the case of a free WordPress.com blog, the number of users that can be invited by a registered user is:

In which hook is the safest to fire a remove_menu_page to menus created by plugins?

Can you properly add you own WP code before the first action hook 'plugins_loaded' without hacking the core ?

is_single is used to get which of the following?

What is the correct function for registering custom taxonomies?

Does WordPress have official unit tests?

What function do you use to programmatically update a post?

When using translatable text strings in a JavaScript file, which function localizes those strings for the JavaScript file?