{"id":219424,"date":"2025-05-26T06:02:17","date_gmt":"2025-05-26T06:02:17","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=219424"},"modified":"2025-05-26T06:02:19","modified_gmt":"2025-05-26T06:02:19","slug":"explain-your-answer","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/05\/26\/explain-your-answer\/","title":{"rendered":"Explain your answer"},"content":{"rendered":"\n<p>How many collision domains are in Fig 1? Explain your answer<\/p>\n\n\n\n<p>How many broadcast domains are in Fig 1? Explain your answer<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/05\/image-429.png\" alt=\"\" class=\"wp-image-219425\"\/><\/figure>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Answer:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Collision Domains:<\/strong> 9<\/li>\n\n\n\n<li><strong>Broadcast Domains:<\/strong> 3<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Explanation<\/strong><\/h3>\n\n\n\n<p>In Figure 1, the network topology includes <strong>3 routers<\/strong> (Router0, Router1, Router2) and <strong>4 switches<\/strong> (Switch0, Switch1, Switch2, Switch3). To calculate collision and broadcast domains, we must understand the behavior of each device.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Collision Domains:<\/strong><\/h3>\n\n\n\n<p>A <strong>collision domain<\/strong> is a network segment where data packets can collide with each other when sent on a shared medium, typically found in hubs or half-duplex Ethernet. However, modern switches and routers break collision domains.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Each port on a switch<\/strong> represents a <strong>separate collision domain<\/strong> because switches operate at Layer 2 and forward traffic based on MAC addresses, isolating collisions.<\/li>\n\n\n\n<li><strong>Each router interface<\/strong> also represents a <strong>separate collision domain<\/strong> because routers operate at Layer 3 and do not forward Ethernet frames.<\/li>\n<\/ul>\n\n\n\n<p>In the diagram:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Each switch has one connection shown (so 4 ports \u2192 4 collision domains).<\/li>\n\n\n\n<li>Router1 connects to 3 switches and 2 routers (5 interfaces = 5 collision domains).<\/li>\n<\/ul>\n\n\n\n<p><strong>Collision domain breakdown:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Router0 to Switch0:<\/strong> 1<\/li>\n\n\n\n<li><strong>Router1 to Switch1, Switch2, and two routers:<\/strong> 4<\/li>\n\n\n\n<li><strong>Router2 to Switch3:<\/strong> 1<\/li>\n\n\n\n<li><strong>Switch0, Switch1, Switch2, Switch3 ports:<\/strong> 4<\/li>\n<\/ul>\n\n\n\n<p><strong>Total collision domains = 1 (Router0-Switch0) + 4 (Router1 connections) + 1 (Router2-Switch3) + 3 remaining switch ports = 9<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Broadcast Domains:<\/strong><\/h3>\n\n\n\n<p>A <strong>broadcast domain<\/strong> is a network segment where a broadcast frame is forwarded. Routers <strong>break broadcast domains<\/strong>, while switches <strong>extend<\/strong> them.<\/p>\n\n\n\n<p>In the diagram:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Each router interface marks a broadcast boundary.<\/strong><\/li>\n\n\n\n<li>Routers connect 3 separate networks: one for each LAN segment.<\/li>\n<\/ul>\n\n\n\n<p><strong>Broadcast domain breakdown:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Router0\u2013Switch0 segment:<\/strong> 1<\/li>\n\n\n\n<li><strong>Router1\u2013Switch1 &amp; Switch2 segment:<\/strong> 1<\/li>\n\n\n\n<li><strong>Router2\u2013Switch3 segment:<\/strong> 1<\/li>\n<\/ul>\n\n\n\n<p><strong>Total broadcast domains = 3<\/strong><\/p>\n\n\n\n<p>Thus, <strong>Figure 1 has 9 collision domains and 3 broadcast domains.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/05\/learnexams-banner5-17.jpeg\" alt=\"\" class=\"wp-image-219426\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>How many collision domains are in Fig 1? Explain your answer How many broadcast domains are in Fig 1? Explain your answer The Correct Answer and Explanation is: Answer: Explanation In Figure 1, the network topology includes 3 routers (Router0, Router1, Router2) and 4 switches (Switch0, Switch1, Switch2, Switch3). To calculate collision and broadcast domains, [&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-219424","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/219424","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=219424"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/219424\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=219424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=219424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=219424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}