{"id":10131,"date":"2023-05-01T09:44:25","date_gmt":"2023-05-01T09:44:25","guid":{"rendered":"https:\/\/www.scmgalaxy.com\/tutorials\/?p=10131"},"modified":"2023-06-19T13:29:57","modified_gmt":"2023-06-19T13:29:57","slug":"top-50-elastic-search-interview-questions-with-answers","status":"publish","type":"post","link":"https:\/\/www.scmgalaxy.com\/tutorials\/top-50-elastic-search-interview-questions-with-answers\/","title":{"rendered":"Top 50 Elastic Search Interview Questions with Answers"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.scmgalaxy.com\/tutorials\/wp-content\/uploads\/2023\/05\/image-13.png\" alt=\"\" class=\"wp-image-10133\" width=\"705\" height=\"396\" srcset=\"https:\/\/www.scmgalaxy.com\/tutorials\/wp-content\/uploads\/2023\/05\/image-13.png 654w, https:\/\/www.scmgalaxy.com\/tutorials\/wp-content\/uploads\/2023\/05\/image-13-300x169.png 300w\" sizes=\"auto, (max-width: 705px) 100vw, 705px\" \/><figcaption class=\"wp-element-caption\"><strong><em>Elastic Search Interview Questions with Answers<\/em><\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">1. What is Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A database management system<br>b) A search engine<br>c) An operating system<br>d) A programming language<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: b<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">2. What is a cluster in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A group of indices<br>b) A group of documents<br>c) A group of nodes<br>d) A group of databases<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: c<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">3. What is an index in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A data structure that organizes documents into logical groups<br>b) A type of query that retrieves documents based on specific criteria<br>c) A method of storing data in a database<br>d) A way to control access to certain documents<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">4. What is a document in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A group of related indices<br>b) A group of related nodes<br>c) A structured piece of data<br>d) A set of search results<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: c<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">5. What is a shard in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A way to split an index into smaller pieces<br>b) A way to split a document into smaller pieces<br>c) A way to split a cluster into smaller pieces<br>d) A way to split a query into smaller pieces<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">6. What is the default port number for Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) 80<br>b) 443<br>c) 9200<br>d) 9300<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: c<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">7. What is a node in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A type of query<br>b) A physical or virtual server that stores data and processes requests<br>c) A way to organize documents within an index<br>d) A type of data structure<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: b<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">8. What is a query in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A way to create or modify an index<br>b) A way to retrieve data from an index<br>c) A set of filters applied to an index<br>d) A way to visualize data in an index<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: b<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">9. What is the difference between an aggregation and a filter in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) An aggregation groups and summarizes data, while a filter restricts data based on specific criteria.<br>b) An aggregation restricts data based on specific criteria, while a filter groups and summarizes data.<br>c) An aggregation orders data based on specific criteria, while a filter searches for specific data.<br>d) An aggregation and a filter are the same thing.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">10. What is a term query in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A query that searches for exact matches of a term in a specific field<br>b) A query that finds similar terms based on a defined similarity algorithm<br>c) A query that searches for matches of a term in any field<br>d) A query that searches for synonyms of a term<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">11. What is a match query in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A query that searches for similar terms based on a defined similarity algorithm<br>b) A query that searches for matches of a term in any field<br>c) A query that searches for exact matches of a term in a specific field<br>d) A query that searches for synonyms of a term<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: b<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">12. What is a wildcard query in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A query that searches for matches of a term in any field<br>b) A query that searches for exact matches of a term in a specific field<br>c) A query that searches for similar terms based on a defined similarity algorithm<br>d) A query that searches for matches using a pattern that includes wildcards<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: d<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">13. What is a range query in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A query that searches for matches of a term within a specific range of values<br>b) A query that searches for matches of a term in any field<br>c) A query that searches for exact matches of a term in a specific field<br>d) A query that searches for similar terms based on a defined similarity algorithm<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">14. What is a full-text query in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A query that searches for matches of a term in any field<br>b) A query that searches for exact matches of a term in a specific field<br>c) A query that searches for similar terms based on a defined similarity algorithm<br>d) A query that searches for matches using a full-text search engine<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: d<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">15. What is a match_phrase query in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A query that searches for matches of a term within a specific range of values<br>b) A query that searches for exact matches of a term in a specific field<br>c) A query that searches for similar terms based on a defined similarity algorithm<br>d) A query that searches for matches of a phrase in a specific field<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: d<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">16. What is the purpose of the text mapping fields in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) To store full-text data<br>b) To store numerical data<br>c) To store binary data<br>d) To store boolean data<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">17. What is a term vector in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A data structure that stores information about how often terms occur in a document<br>b) A type of query that retrieves documents based on specific criteria<br>c) An aggregation that groups and summarizes data<br>d) A filter that restricts data based on specific criteria<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">18. What is a parent-child relationship in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A way to organize documents within an index<br>b) A way to link documents in different indices<br>c) A type of query that retrieves documents based on specific criteria<br>d) A way to split an index into smaller pieces<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: b<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">19. What is a scroll API in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A way to retrieve large sets of data without overloading the cluster<br>b) A way to modify the index settings<br>c) A way to create or delete an index<br>d) A way to visualize data in an index<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">20. What is a bulk API in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A way to modify the index settings<br>b) A way to create or delete an index<br>c) A way to retrieve large sets of data without overloading the cluster<br>d) A way to search for data using complex queries<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: c<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">21. What is a term aggregation in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) An aggregation that groups values into buckets based on their term frequency<br>b) An aggregation that groups values into buckets based on their date range<br>c) An aggregation that groups values into buckets based on their geographic location<br>d) An aggregation that groups values into buckets based on a defined similarity algorithm<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">22. What is a date histogram aggregation in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) An aggregation that groups values into buckets based on their term frequency<br>b) An aggregation that groups values into buckets based on their date range<br>c) An aggregation that groups values into buckets based on their geographic location<br>d) An aggregation that groups values into buckets based on a defined similarity algorithm<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: b<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">23. What is a geo-distance aggregation in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) An aggregation that groups values into buckets based on their term frequency<br>b) An aggregation that groups values into buckets based on their date range<br>c) An aggregation that groups values into buckets based on their geographic location<br>d) An aggregation that groups values into buckets based on a defined similarity algorithm<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: c<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">24. What is a significant terms aggregation in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) An aggregation that groups values into buckets based on their term frequency<br>b) An aggregation that groups values into buckets based on their date range<br>c) An aggregation that groups values into buckets based on their geographic location<br>d) An aggregation that groups values into buckets based on their statistical significance<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: d<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">25. What is a query string query in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A query that searches for an exact match of a specified term<br>b) A query that searches for matches based on text analysis of a specified phrase<br>c) A query that searches for matches based on a Boolean expression of multiple terms<br>d) A query that searches for matches based on a similarity algorithm of a specified term<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: c<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">26. What is the difference between a filter and a query in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A filter searches for relevant documents, while a query retrieves all documents.<br>b) A filter is faster and more efficient than a query.<br>c) A query searches for relevant documents, while a filter retrieves all documents.<br>d) A filter and a query are the same thing.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: c<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">27. What is a script query in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A query that uses a predefined script to evaluate document relevance<br>b) A query that searches for an exact match of a specified term<br>c) A query that searches for matches based on text analysis of a specified phrase<br>d) A query that searches for matches based on a Boolean expression of multiple terms<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">28. What is a prefix query in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A query that searches for matches using a pattern that includes wildcards<br>b) A query that searches for matches of a term in any field<br>c) A query that searches for exact matches of a term in a specific field<br>d) A query that searches for matches of a term with a specified prefix<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: d<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">29. What is a boosting query in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A query that increases the relevance of certain documents based on specific criteria<br>b) A query that searches for an exact match of a specified term<br>c) A query that searches for matches based on text analysis of a specified phrase<br>d) A query that searches for matches based on a Boolean expression of multiple terms<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">30. What is a constant score query in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A query that returns all documents with a constant score of 1.0<br>b) A query that increases the relevance of certain documents based on specific criteria<br>c) A query that searches for matches based on text analysis of a specified phrase<br>d) A query that searches for matches based on a Boolean expression of multiple terms<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">31. What is a minimum_should_match parameter in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) The minimum number of terms that should match in a query<br>b) The minimum score that a document should have to be considered a match<br>c) The minimum number of documents that should be retrieved in a search<br>d) The minimum number of shards that a search should be executed on<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">32. What is a dis_max query in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A query that returns documents that match any of the specified queries<br>b) A query that returns documents that match all of the specified queries<br>c) A query that returns the documents with the highest scores<br>d) A query that returns the documents with the lowest scores<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">33. What is a multi_match query in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A query that searches for matches of a term in any field<br>b) A query that searches for exact matches of a term in a specific field<br>c) A query that searches for matches based on text analysis of a specified phrase<br>d) A query that searches for matches of a term in multiple fields<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: d<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">34. What is a function score query in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A query that increases the relevance of certain documents based on specific criteria<br>b) A query that searches for matches based on text analysis of a specified phrase<br>c) A query that searches for matches based on a Boolean expression of multiple terms<br>d) A query that returns the documents with the highest scores<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">35. What is a scoring algorithm in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A way to rank documents based on their relevance to a query<br>b) A way to group documents into logical clusters<br>c) A way to split an index into smaller pieces<br>d) A way to organize documents within an index<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">36. What is a synonym filter in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A filter that changes the terms in a query to their synonyms before executing the query<br>b) A filter that restricts data based on specific criteria<br>c) A filter that groups and summarizes data<br>d) A filter that orders data based on specific criteria<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">37. What is a stop word filter in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A filter that removes common words from a query before executing the query<br>b) A filter that restricts data based on specific criteria<br>c) A filter that groups and summarizes data<br>d) A filter that orders data based on specific criteria<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">38. What is a stemmer filter in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A filter that reduces words to their root form before executing the query<br>b) A filter that restricts data based on specific criteria<br>c) A filter that groups and summarizes data<br>d) A filter that orders data based on specific criteria<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">39. What is an analyzer in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A set of rules for text analysis<br>b) A type of query that retrieves documents based on specific criteria<br>c) A way to organize documents within an index<br>d) A way to split an index into smaller pieces<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">40. What is a token in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A unit of text after it has been analyzed<br>b) A type of query that retrieves documents based on specific criteria<br>c) A way to organize documents within an index<br>d) A way to split an index into smaller pieces<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">41. What is a synonym token filter in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A token filter that changes a token to its synonyms<br>b) A token filter that removes common words<br>c) A token filter that reduces words to their root form<br>d) A token filter that splits words based on patterns<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">42. What is a stop word token filter in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A token filter that removes common words<br>b) A token filter that changes a token to its synonyms<br>c) A token filter that reduces words to their root form<br>d) A token filter that splits words based on patterns<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">43. What is a stemmer token filter in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A token filter that reduces words to their root form<br>b) A token filter that removes common words<br>c) A token filter that changes a token to its synonyms<br>d) A token filter that splits words based on patterns<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">44. What is a lowercase token filter in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A token filter that converts all tokens to lowercase<br>b) A token filter that removes common words<br>c) A token filter that reduces words to their root form<br>d) A token filter that changes a token to its synonyms<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">45. What is a char filter in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A filter that processes text before it is analyzed<br>b) A way to organize documents within an index<br>c) A way to split an index into smaller pieces<br>d) A filter that restricts data based on specific criteria<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">46. What is a mapping in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A way to define how data is stored and indexed in Elasticsearch<br>b) A type of query that retrieves documents based on specific criteria<br>c) A way to organize documents within an index<br>d) A way to split an index into smaller pieces<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">47. What is a field in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A unit of data in a document that can be queried and analyzed<br>b) A way to organize documents within an index<br>c) A way to split an index into smaller pieces<br>d) A type of query that retrieves documents based on specific criteria<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">48. What is a nested field in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A field that contains one or more sub-fields<br>b) A field that is analyzed and searchable<br>c) A field that is not analyzed and not searchable<br>d) A field that contains an array of values<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">49. What is a geo-point field in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A field that contains latitude and longitude values<br>b) A way to organize documents within an index<br>c) A way to split an index into smaller pieces<br>d) A type of query that retrieves documents based on specific criteria<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">50. What is a geo-shape field in Elasticsearch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">a) A field that contains complex geometric shapes<br>b) A field that is analyzed and searchable<br>c) A field that is not analyzed and not searchable<br>d) A field that contains an array of values<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: a<\/h4>\n","protected":false},"excerpt":{"rendered":"<p>1. What is Elasticsearch? a) A database management systemb) A search enginec) An operating systemd) A programming language Answer: b [&hellip;]<\/p>\n","protected":false},"author":33,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10131","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Top 50 Elastic Search Interview Questions with Answers - scmGalaxy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.scmgalaxy.com\/tutorials\/top-50-elastic-search-interview-questions-with-answers\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Top 50 Elastic Search Interview Questions with Answers - scmGalaxy\" \/>\n<meta property=\"og:description\" content=\"1. 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