{"id":43552,"date":"2024-04-15T21:31:04","date_gmt":"2024-04-15T21:31:04","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=43552"},"modified":"2024-04-15T21:31:04","modified_gmt":"2024-04-15T21:31:04","slug":"which-among-the-following-is-the-correct-statement","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-among-the-following-is-the-correct-statement\/","title":{"rendered":"Which among the following is the correct statement"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;datanode manage file system namespace&#8221; option2=&#8221;namenode stores metadata&#8221; option3=&#8221;namenode stores actual data&#8221; option4=&#8221;all of the above&#8221; correct=&#8221;option2&#8243;]<!--more--><\/p>\n<p>The correct answer is: <strong>B. namenode stores metadata<\/strong>.<\/p>\n<p>The namenode is the master server in a Hadoop Distributed File System (HDFS) cluster. It manages the namespace and stores the metadata of all files in the cluster. The datanodes are the slave servers in the cluster. They store the actual data of the files.<\/p>\n<p>Here is a brief explanation of each option:<\/p>\n<ul>\n<li><strong>A. datanode manage file system namespace<\/strong>. This is incorrect. The namenode manages the namespace.<\/li>\n<li><strong>B. namenode stores metadata<\/strong>. This is correct. The namenode stores the metadata of all files in the cluster.<\/li>\n<li><strong>C. namenode stores actual data<\/strong>. This is incorrect. The datanodes store the actual data of the files.<\/li>\n<li><strong>D. all of the above<\/strong>. This is incorrect. Only option B is correct.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;datanode manage file system namespace&#8221; option2=&#8221;namenode stores metadata&#8221; option3=&#8221;namenode stores actual data&#8221; option4=&#8221;all of the above&#8221; correct=&#8221;option2&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[728],"tags":[],"class_list":["post-43552","post","type-post","status-publish","format-standard","hentry","category-cloud-computing","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Which among the following is the correct statement<\/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:\/\/exam.pscnotes.com\/mcq\/which-among-the-following-is-the-correct-statement\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which among the following is the correct statement\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;datanode manage file system namespace&#8221; 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