{"id":182316,"date":"2025-01-13T16:27:19","date_gmt":"2025-01-13T16:27:19","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=182316"},"modified":"2025-01-13T16:27:23","modified_gmt":"2025-01-13T16:27:23","slug":"which-of-the-following-is-a-valid-ipv6-address","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/01\/13\/which-of-the-following-is-a-valid-ipv6-address\/","title":{"rendered":"Which of the following is a valid IPv6 address"},"content":{"rendered":"\n<p>Which of the following is a valid IPv6 address?<\/p>\n\n\n\n<p>1 4021::240E::0AC0:3428<br>2 4021:240E::0AC0::3428<br>3 4021:240E::0AC0:3428:121C<br>4 4021::0000::240E::0000::0000:0AC0::3428::121C<br>5 All of the above<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The Correct Answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n<p>The correct answer is <strong>3) 4021:240E::0AC0:3428:121C<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>IPv6 addresses are 128-bit identifiers that are usually written in hexadecimal format, separated by colons (<code>:<\/code>). To make the addresses more readable, rules have been established for abbreviating them.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Key rules for valid IPv6 addresses:<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Colons for separation<\/strong>: IPv6 addresses consist of eight 16-bit groups, each represented as four hexadecimal digits. These groups are separated by colons (<code>:<\/code>).<\/li>\n\n\n\n<li><strong>Leading zeroes<\/strong>: Leading zeroes in any 16-bit group can be omitted. For instance, <code>0001<\/code> can be written as <code>1<\/code>.<\/li>\n\n\n\n<li><strong>Double colons (<code>::<\/code>)<\/strong>: The <code>::<\/code> notation can be used to replace one or more consecutive groups of zeroes. However, it can only appear once in an address to avoid ambiguity.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Analysis of the options:<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>4021::240E::0AC0:3428<\/strong><br>This address contains two <code>::<\/code> groups, which is not allowed. The use of multiple <code>::<\/code> would create ambiguity about the number of zeroes between them, so it is <strong>invalid<\/strong>.<\/li>\n\n\n\n<li><strong>4021:240E::0AC0::3428<\/strong><br>Similar to the first option, this address has two <code>::<\/code> groups, which makes it <strong>invalid<\/strong> for the same reason as above.<\/li>\n\n\n\n<li><strong>4021:240E::0AC0:3428:121C<\/strong><br>This is a <strong>valid<\/strong> IPv6 address. It uses a single <code>::<\/code> to represent a group of zeroes and contains the correct number of 16-bit groups (five total). The structure adheres to the rules, so it is a <strong>valid IPv6 address<\/strong>.<\/li>\n\n\n\n<li><strong>4021::0000::240E::0000::0000:0AC0::3428::121C<\/strong><br>This address contains multiple <code>::<\/code> groups, which is <strong>invalid<\/strong> for the same reason as options 1 and 2. Only one instance of <code>::<\/code> is permitted in a valid IPv6 address.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Conclusion:<\/h3>\n\n\n\n<p>The only valid IPv6 address from the options provided is <strong>4021:240E::0AC0:3428:121C<\/strong>, as it adheres to the proper syntax for abbreviated IPv6 notation and uses <code>::<\/code> only once.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Which of the following is a valid IPv6 address? 1 4021::240E::0AC0:34282 4021:240E::0AC0::34283 4021:240E::0AC0:3428:121C4 4021::0000::240E::0000::0000:0AC0::3428::121C5 All of the above The Correct Answer and Explanation is : The correct answer is 3) 4021:240E::0AC0:3428:121C. Explanation: IPv6 addresses are 128-bit identifiers that are usually written in hexadecimal format, separated by colons (:). To make the addresses more readable, rules [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-182316","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/182316","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=182316"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/182316\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=182316"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=182316"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=182316"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}