WordPress Upwork test answers of 2015-16

30  Questions  Answered  of  Upwork  Test 

 

1. Which of the following will hash a string/password to its md5

 equivalent?

Answers:
• md5()
• wp_generate_password()
• wp_generate_md5()
• password_md5()

2. Which conditional tag checks if the dashboard or the administ-

ration panel is attempting to be displayed by returning "true' 

(if the URL being accessed is in the admin section) or "false" 

(for a front-end page).

Answers:
• my_admin()
• view_admin()
• is_admin()
• root_admin()

3. Which of the following functions are used to add administrat-

ion menu item in WordPress ?

Answers:
• add_menu_page();
• add_admin_item();
• add_admin_page();
• add_admin_option();

4. Which of the following WordPress Multisite functions allows 

for getting content from one blog and display it on another?

Answers:
• switch_blog()
• switch_to_blog()
• restore_current_blog()
• restore_to_current_blog()

5. What is the BEST way to get last inserted row ID from Word-

press database ?

Answers:
• Use the following code snippet $lastid->$wpdb=$last->get_row;
• The call to mysql_insert_id() inside a transaction should be added: mysql_query('BEGIN'); // Whatever code that does the insert here. $id = mysql_insert_id(); mysql_query('COMMIT'); // Stuff with $id.
• The following code snippet should be added $last = $wpdb->get_row("SHOW TABLE STATUS LIKE 'table_name'"); $lastid = $last->Auto_increment;
• Straight after the $wpdb->insert() insert, the following code should be added: $lastid = $wpdb->insert_id;

6. Which of the following code snippets can be used to create 

custom POST status in wordpress 3.0 +?

Answers:
• register_new_post()
• register_post_status()
• add_new_post_status()
• modify_post_status()
 

7. Which of the following is an example of a WordPress plugin 

that provides multilingual capabilities?

Answers:
• WP Super Cache
• qTranslate
• BuddyPress
• Hotfix

8. Which of the following functions can be used to create a 

WordPress page?

Answers:
• wp_insert_post()
• wp_insert_page()
• wp_create_post()
• wp_create_page()
 

9. User Level 7 converts to _________?

Answers:
• Contributo
• Autho
• Edito
• Subscribe
• Administration

10. Which of the following is the correct sequence of steps to 

adapt a WordPress plugin to a multisite?

Answers:
• 1. Use $wpdb to iterate through all blogs 2. Hook according to the $blog_id 3. Install the plugin as Network only 4. Uninstall depends the specific plugin
• 1. Use $wp_posts to iterate through all blogs 2. Hook according to the $function 3. IInstall the plugin as Network only 4. Uninstall depends the specific plugin
• 1. Use $wp_posts to iterate through all blogs 2. Hook according to the $function 3. Install other activations except Network 4. Uninstall is the same for all the plugins
• 1. Use $wp_posts to iterate through all blogs 2. Hook according to the $function 3. Install the plugin as Network only 4. Uninstall is same for all the plugins

11. On which of the following databases can WordPress be install-

ed by default?

Answers:
• MySQL
• Oracle Database
• Microsoft SQL Server
• PostgreSQL

12. Meta tags can be added to WordPress pages by ________________.

Answers:
• using plug-ins
• adding them to the header.php file
• updating the database
• a and
• and c

13. Which of the following codes will return the current plugin 

directory in WordPress?

Answers:
• <?php plugin_basename($file); ?>
• <?php plugin_basename('url'); ?>
• <?php bloginfo_plugin('url'); ?>
• <?php content_plugin_url( $path ); ?>
 

14. Can the contents of the wp-content folder be moved or renamed

 without changing any settings?

Answers:
• Yes
• No

15. Which of the following code snippets best protects a system 

from SQL injections?

Answers:
• sql_real_escape_strong()
• mysql_real_escape()
• mysql_real_escape_string()
• mysql_not_real_delete_string()

16. Which of the following role levels has the highest privilege?

Answers:
• Level_0
• Level_10
• Depends on your settings.
• Every role level has the same privilege.

17. Which of the following is the correct way to retrieve a feat-

ured image from a post?

Answers:
• <?php echo get_post_thumb($page->ID, 'thumbnail'); ?>
• <?php echo get_featured_image($page->ID, 'thumbnail'); ?>
• <?php echo get_the_post_thumbnail($page->ID, 'thumbnail'); ?>
• <?php echo get_post_thumbnail($page->ID, 'thumbnail'); ?>

18. Which of the following will call the WordPress media upload-

er form element?

Answers:
• <form enctype="multipart/form-data" method="post" action="<?=bloginfo("siteurl");?>/wp-admin/media-upload.php?inline=&upload-page-form=" class="media-upload-form type-form validate" id="file-form">
• <a onclick="return false;" title="Upload image" class="thickbox" id="add_image" href="media-upload.php?type=image&TB_iframe=true&width=640&height=105">Upload Image</a>
• <a href="media-upload.php?type=image&TB_iframe=true&width=640&height=105">Upload Image</a>
• <form enctype="multipart/form-data" method="post" action="<?=bloginfo("bloginfo");?>/wp-admin/media-upload.php?inline=&upload-page-form=" class="media-upload-form type-form validate" id="file-form">

19. Which of the following code snippets is the correct way to 

get content from Tinymce via javascript ?

Answers:
• document.getElementById('content')
• tinymce.activeEditor.getContent();
• tinymce.element.getContent();
• document.getElement('tinymce_content')

20. What is the first action you need to take for enabling Word-

Press MU feature?

Answers:
• Enable WordPress MU feature on admin panel
• Enable Network feature
• Add this code to wp-config.php file: define( 'WP_ALLOW_MULTISITE', true );

21. You can limit the number of revisions WordPress stores by _____
Answers:

• adding the following line to your wp-config.php file: define('WP_POST_REVISIONS', 3);
• using a plugin
• changing a setting on admin panel

22. ____________ can publish, edit, and delete posts and pages 

written by any user. They can upload some kinds of files, and 

they can write HTML without restrictions. They can manage links 

and categories, and they can moderate comments. Editors and admini-

strators are also the only users allowed to read private posts and

 pages.

Answers:
• Contributor
• Author
• Editor
• Subscriber
• Administrator

22. Which of the following will show the most recent post (by

 date) from a custom taxonomy?

Answers:
• select * from wp_posts where ID in( select ID from ( select wp_posts.ID , wp_posts.post_date, d.name from wp_posts as a join wp_term_relationships as b on ( a.ID = b.object_id) join wp_term_taxonomy as c on (b.term_taxonomy_id = c.term_taxonomy_id) join wp_terms as d on (c.term_id = d.term_id) where c.taxonomy = 'post-series' group by d.name having (wp_posts.post_date = max(wp_posts.post_date)) )tmp)
• select * from wp_posts where ID in( select ID from ( select wp_posts.ID , wp_posts.post_date, d.name from wp_posts as a join wp_terms as d on (c.term_id = d.term_id) where c.taxonomy = 'post-series' group by d.name having (wp_posts.post_date = max(wp_posts.post_date)) )tmp)
• select * from wp_posts where ID in( select ID from ( select wp_posts.ID , wp_posts.post_date, d.name from wp_posts as a join wp_term_relationships as b on ( a.ID = b.object_id) join wp_term_taxonomy as c on (b.term_taxonomy_id = c.term_taxonomy_id) join wp_terms as d on (c.term_id = d.term_id) having (wp_posts.post_date = max(wp_posts.post_date)) )tmp)
• select * from wp_posts where ID in( select ID from ( select wp_posts.ID , wp_posts.post_date, d.name from wp_posts as a join wp_term_relationships as b on ( a.ID = b.object_id) join wp_terms as d on (c.term_id = d.term_id) where c.taxonomy = 'post-series' group by d.name having (wp_posts.post_date = max(wp_posts.post_date)) )tmp)

23. What is the output of the following code?

<ul id="sortable">
    <li id="1">example 1</li>
    <li id="2">example 2</li>
    <li id="3">example 3</li>
    <li id="4">example 4</li>
</ul>

$(document).ready(function(){
    $('#sortable').sortable({
        update: function(event, ui) {
            var newOrder = $(this).sortable('toArray').toString();
            $.get('saveSortable.php', {order:newOrder});
        }
    });
});

Answers:
• Removes positions from data base based on the user input
• Saves sortable positions to data base based on the user input
• Adding new sortable positions from another data base
• Sorting out existing positions without updating the data base with the new user inputs

24. Which of the following commands can change the ownership 

of WordPress directory to www-data (for Apache)?

Answers:
• sudo chown -Rf www-data *
• chown -Rf www-data *
• sudo crown -Df www-data *
• Alldo chown -Rf www-data *

25. How can a post ID be retrieved from the permalink?

Answers:
• Its not possible to retrieve the post ID from a permalink due to its structure.
• It can be retrieved by using a Regular Expression.
• wp_get_post_id($permalink)
• url_to_postid($permalink)

26. Which of the following is the correct way to redirect 

the default login and registration page URL to a custom login

 and registration page URL?

Answers:
• add_action('init','possibly_redirect'); function possibly_redirect(){ global $pagenow; if( 'wp-login.php' == $pagenow ) { return('Your custom url'); exit(); } }
• add_action('init','possibly_redirect'); function possibly_redirect(){ global $pagenow; if( 'wp-login.php' == $pagenow ) { wp_redirect('Your custom url'); exit(); } }
• add_action('init','possibly_redirect'); function possibly_redirect(){ global $pagenow; if( 'wp-login.php' == $pagenow ) { redirect('Your custom url'); exit(); } }
• add_action('init','possibly_redirect'); function possibly_redirect(){ global $pagenow; if( 'wp-login.php' == $pagenow ) { wp_return('Your custom url'); exit(); } }

27. What is the first action you need to take for enabling 

the WordPress multisite (MS) feature?

Answers:
• Enable the WordPress multisite feature on admin panel
• Enable the Network feature
• Add this code to wp-config.php file: define( 'WP_ALLOW_MULTISITE', true );

28. Which of the functions below is required to create a

 new taxonomy?

Answers:
• add_taxonomy
• register_taxonomy
• create_taxonomy

29. ____________ can manage their own profiles, but can do

 virtually nothing else in the administration area.

Answers:
• Contributor
• Author
• Editor
• Subscriber
• Administrator

30. Which of the following functions are used when adding CSS

 and jQuery codes on a WordPress plugin?

Answers:
• wp_register_style
• wp_enqueue_style
• wp_enqueue_script
• None of these.