Drupal Interview

Also Read: Interview- Points to remember

DRUPAL GENERAL:

• System Requirements D7/8?
• D7 PHP 5.2.5+, MySQL 5.0.15+
• D8 PHP 5.5.9, MySQL 5.5.3 (No support for IE9/10)
• D8.5 PHP 7.1+
• In Architecture?
• Core Modules 7/8?
• Explain Drupal Architecture?
• What is new in Drupal 8?
• What are Drupal Distributions? (Open Atrium)
• Upgrading/Updating Drupal
• Content Migration [Feeds Module]
• Configuration Migration [Features Module]
• Put site on maintenance mode?
• Cron and Queue Operations?
• Batch API and implementation?
• Form API(FAPI) and implementation?
• How to add additional theme settings using the Drupal Form API?
• Function system_settings_form($form);
• What is HOOK? (Explain in terms of TIMELINE)
• How you debug? dsm() dpm() functions, Xdebug
• How Search in drupal and external search engine?
• Explain Database abstraction layer in Drupal?
• Create restful services?
• Entity API?
• Creating custom entity?
• What are bundles?
• Difference Entity API/Bundle/Entity?
• Drupal plugins?
• How SEARCH works?Apache Solr, Xapier, Sphinx?
• How caching works?MemCache?Varnish?APC(Alternative PHP Cache)?
• Why not to cache blocks?
• How to reduce spamming?
• Create multisite using same Drupal code?
• Create multilingual site?
• Static Queries
• Dynamic Queries
• Drupal services API?
• What is CRUD? (Create, Retrieve, Update, Delete)
• Incorporating external libraries with Libraries API?
• Drupal Trigger?
• Send email? Hook_mail()
• Managing Drupal coding standards? And Sonar?
• Searchengine optimization(SEO) tools

BASIC HOOK IMPLEMENTATIONS:

• hook_schema()
• hook_install()
• hook_uninstall()
• hook_update_N(&$sandbox)
• hook_init()
• hook_cron()
• hook_cron_queue_info()
• hook_libraries_info()
• hook_mail($key, &$message, $params)
• hook_menu()
• hook_permission()
• hook_theme($existing, $type, $theme, $path)


• hook_form_alter(&$form, &$form_state, $form_id)
• hook_form_FORM_ID_alter(&$form, &$form_state, $form_id)
• hook_query_TAG_alter($query)
• hook_page_alter(&$page)
• hook_js_alter(&$javascript)
• hook_css_alter(&$css)
• hook_html_head_alter(&$head_elements)
• hook_module_implements_alter(&$implementations, $hook)
• hook_menu_local_tasks_alter(&$data, $router_item, $root_path)


• hook_block_info()
• hook_block_view($delta = '')
• hook_block_list_alter(&$blocks)


• hook_node_insert($node)
• hook_user_insert(&$edit, $account, $category)
• hook_entity_presave($entity, $type)


• hook_views_api()
• hook_views_data()
• hook_views_query_alter(&$view, &$query)


• hook_process_html(&$variables)
• hook_process_page(&$variables)
• hook_process_region(&$variables)
• hook_process_node(&$variables)
• hook_process_block(&$variables)
• hook_process_comment(&$variables)
• hook_process_maintenance_page(&$variables)


• hook_preprocess(&$variables)
• hook_preprocess_html(&$variables)
• hook_preprocess_page(&$variables)
• hook_preprocess_region(&$variables)
• hook_preprocess_node(&$variables)
• hook_preprocess_block(&$variables)
• hook_preprocess_field(&$variables)
• hook_preprocess_comment(&$variables)
• hook_preprocess_username(&$variables)
• hook_preprocess_breadcrumb(&$variables)


• hook_preprocess_views_view(&$variables)
• hook_preprocess_views_view_table(&$variables)
• hook_preprocess_views_view_unformatted(&$variables)

hook_preprocess_comment(&$variables) (Preprocess variables for *.tpl.php) hook_preprocess_image(&$variables) (Preprocess variables for theme_image()) theme_image is like 'image' key theme ki definition, isko agar override krna h to mythemename_image()