{"id":22757,"date":"2021-07-24T20:38:32","date_gmt":"2021-07-24T20:38:32","guid":{"rendered":"https:\/\/www.devopsschool.com\/blog\/?p=22757"},"modified":"2021-10-23T06:26:50","modified_gmt":"2021-10-23T06:26:50","slug":"interview-questions-answer-for-puppet-2","status":"publish","type":"post","link":"https:\/\/www.devopsschool.com\/blog\/interview-questions-answer-for-puppet-2\/","title":{"rendered":"Interview Questions &#038; Answer for Puppet"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">Elastic<\/h1>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">What is the Elastic Stack?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">Explain what is Elasticsearch<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What is Logstash?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">Explain what beats are<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What is Kibana?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">Describe what happens from the moment an app logged some information until it&#8217;s displayed to the user in a dashboard when the Elastic stack is used<\/h3>\n\n\n\n<h1 class=\"wp-block-heading\">Elasticsearch<\/h1>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">What is a data node?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What is a master node?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What is an ingest node?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What is Coordinating node?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">How data is stored in elasticsearch?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What is an Index?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">Explain Shards<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What is an Inverted Index?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What is a Document?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">You check the health of your elasticsearch cluster and it&#8217;s red. What does it mean? What can cause the status to be yellow instead of green?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">True or False? Elasticsearch indexes all data in every field and each indexed field has the same data structure for unified and quick query ability<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What reserved fields a document has?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">Explain Mapping<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What are the advantages of defining your own mapping? (or: when would you use your own mapping?)<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">Explain Replicas<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">Can you explain Term Frequency &amp; Document Frequency?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">You check &#8220;Current Phase&#8221; under &#8220;Index lifecycle management&#8221; and you see it&#8217;s set to &#8220;hot&#8221;. What does it mean?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What this command does? curl -X PUT &#8220;localhost:9200\/customer\/_doc\/1?pretty&#8221; -H &#8216;Content-Type: application\/json&#8217; -d'{ &#8220;name&#8221;: &#8220;John Doe&#8221; }&#8217;<\/h3>\n\n\n\n<h6 class=\"wp-block-heading\">What will happen if you run the previous command twice? What about running it 100 times?<\/h6>\n\n\n\n<h3 class=\"wp-block-heading\">What is the Bulk API? What would you use it for?<\/h3>\n\n\n\n<h1 class=\"wp-block-heading\">Query DSL<\/h1>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Explain Elasticsearch query syntax (Booleans, Fields, Ranges)<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">Explain what is Relevance Score<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">Explain Query Context and Filter Context<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">Describe how would an architecture of production environment with large amounts of data would be different from a small-scale environment<\/h3>\n\n\n\n<h1 class=\"wp-block-heading\">Logstash<\/h1>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">What are Logstash plugins? What plugins types are there?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What is grok?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">How grok works?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What grok patterns are you familiar with?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What is <code>_grokparsefailure?<\/code><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">How do you test or debug grok patterns?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What are Logstash Codecs? What codecs are there?<\/h3>\n\n\n\n<h1 class=\"wp-block-heading\">Kibana<\/h1>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">What can you find under &#8220;Discover&#8221; in Kibana?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">You see in Kibana, after clicking on Discover, &#8220;561 hits&#8221;. What does it mean?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What can you find under &#8220;Visualize&#8221;?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What visualization types are supported\/included in Kibana?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What visualization type would you use for statistical outliers<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">Describe in detail how do you create a dashboard in Kibana<\/h3>\n\n\n\n<h1 class=\"wp-block-heading\">Filebeat<\/h1>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">What is Filebeat?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">If one is using ELK, is it a must to also use filebeat? In what scenarios it&#8217;s useful to use filebeat?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What is a harvester?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">True or False? a single harvester harvest multiple files, according to the limits set in filebeat.yml<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">What are filebeat modules?<\/h3>\n\n\n\n<h1 class=\"wp-block-heading\">Elastic Stack<\/h1>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">How do you secure an Elastic Stack?<\/h3>\n\n\n<div class=\"epyt-gallery\" data-currpage=\"1\" id=\"epyt_gallery_95142\"><iframe loading=\"lazy\"  id=\"_ytid_59744\"  width=\"760\" height=\"427\"  data-origwidth=\"760\" data-origheight=\"427\" src=\"https:\/\/www.youtube.com\/embed\/?enablejsapi=1&#038;autoplay=0&#038;cc_load_policy=0&#038;cc_lang_pref=&#038;iv_load_policy=1&#038;loop=0&#038;rel=1&#038;fs=1&#038;playsinline=0&#038;autohide=2&#038;theme=dark&#038;color=red&#038;controls=1&#038;disablekb=0&#038;\" class=\"__youtube_prefs__  no-lazyload\" title=\"YouTube player\"  data-epytgalleryid=\"epyt_gallery_95142\"  allow=\"fullscreen; accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen data-no-lazy=\"1\" data-skipgform_ajax_framebjll=\"\"><\/iframe><div class=\"epyt-gallery-list\"><div>Sorry, there was a YouTube error.<\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Elastic What is the Elastic Stack? Explain what is Elasticsearch What is Logstash? Explain what beats are What is Kibana? Describe what happens from the moment an app logged some&#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[2],"tags":[],"class_list":["post-22757","post","type-post","status-publish","format-standard","hentry","category-uncategorised"],"_links":{"self":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/22757","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/comments?post=22757"}],"version-history":[{"count":2,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/22757\/revisions"}],"predecessor-version":[{"id":24240,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/22757\/revisions\/24240"}],"wp:attachment":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=22757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=22757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=22757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}