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{"id":790,"date":"2021-07-17T20:22:05","date_gmt":"2021-07-17T20:22:05","guid":{"rendered":"https:\/\/www.wikitechy.com\/interview-questions\/?p=790"},"modified":"2022-05-05T06:21:12","modified_gmt":"2022-05-05T06:21:12","slug":"what-is-routing","status":"publish","type":"post","link":"https:\/\/www.wikitechy.com\/interview-questions\/networking\/what-is-routing\/","title":{"rendered":"What is Routing ?"},"content":{"rendered":"<div class=\"TextHeading\">\n<div class=\"hddn\">\n<h2 id=\"what-is-routing\" class=\"color-pink\" style=\"text-align: justify;\">What is Routing ?<\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<ul>\n<li>Routing refers to establishing the routes that data packets take on their way to a particular destination.<\/li>\n<li>This term can be applied to data traveling on the Internet, over 3G or 4G networks, or over similar networks used for telecom and other digital\u00a0communications\u00a0setups. Routing can also take place within proprietary networks.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"ImageContent\" style=\"text-align: justify;\">\n<div class=\"hddn\"><img decoding=\"async\" class=\"img-responsive center-block\" src=\"https:\/\/cdn.wikitechy.com\/interview-questions\/networking\/what-is-routing.png\" alt=\"What is Routing \" \/><\/div>\n<\/div>\n<div class=\"TextHeading\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<h2 id=\"how-routing-protocols-work\" class=\"color-purple\">How Routing Protocols Work<\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-4303 aligncenter\" src=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/how-protocols-works.png\" alt=\"\" width=\"1208\" height=\"681\" srcset=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/how-protocols-works.png 1208w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/how-protocols-works-300x169.png 300w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/how-protocols-works-1024x577.png 1024w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/how-protocols-works-768x433.png 768w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/how-protocols-works-390x220.png 390w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/how-protocols-works-820x462.png 820w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/how-protocols-works-1180x665.png 1180w\" sizes=\"(max-width: 1208px) 100vw, 1208px\" \/><\/p>\n<\/div>\n<\/div>\n<div class=\"Content\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<ul>\n<li>Every network Routing protocol performs three basic functions:\n<ul>\n<li><b>Discovery &#8211;<\/b>\u00a0Identify other routers on the network.<\/li>\n<li><b>Route Management &#8211;<\/b>\u00a0Keep track of all the possible destinations (for network messages) along with some data describing the pathway of each.<\/li>\n<li><b>Path Determination &#8211;<\/b>\u00a0Make dynamic decisions for where to send each network message.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"subheading\" style=\"text-align: justify;\">\n<h4 id=\"there-are-3-types-of-routing\">There are 3 types of Routing<\/h4>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-4304 aligncenter\" src=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/types-of-routing.png\" alt=\"\" width=\"853\" height=\"411\" srcset=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/types-of-routing.png 853w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/types-of-routing-300x145.png 300w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/types-of-routing-768x370.png 768w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/types-of-routing-390x188.png 390w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/types-of-routing-820x395.png 820w\" sizes=\"(max-width: 853px) 100vw, 853px\" \/><\/p>\n<ul>\n<li>Static Routing<\/li>\n<li>Dafault Routing<\/li>\n<li>Dynamic Routing<\/li>\n<\/ul>\n<\/div>\n<div class=\"TextHeading\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<h2 id=\"static-routing\" class=\"color-green\">Static Routing<\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<ul>\n<li>Static Routing is a process in which we have to manually add routes in Routing table.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"ImageContent\" style=\"text-align: justify;\">\n<div class=\"hddn\"><img decoding=\"async\" class=\"img-responsive center-block aligncenter\" src=\"https:\/\/cdn.wikitechy.com\/interview-questions\/networking\/static-routing.png\" alt=\"Static Routing \" \/><\/div>\n<\/div>\n<div class=\"TextHeading\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<h2 id=\"advantages\" class=\"color-purple\">Advantages<\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<ul>\n<li>No Routing overhead for router CPU which means a cheaper router can be used to do Routing.<\/li>\n<li>It adds security because only administrator can allow Routing to particular networks only.<\/li>\n<li>No bandwidth usage between routers.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"TextHeading\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<h2 id=\"disadvantages\" class=\"color-purple\">Disadvantages<\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<ul>\n<li>For a large network, it is a difficult task for administrator to manually add each route for the network in the Routing table on each router.<\/li>\n<li>The administrator should have good knowledge of the topology.<\/li>\n<li>If a new administrator comes, then he has to manually add each route so he should have very good knowledge of the routes of the topology.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"TextHeading\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<h2 id=\"default-routing\" class=\"color-green\">Default Routing<\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<ul>\n<li>This method where the router is configured to send all packets towards a single router (next hop).<\/li>\n<li>It is very useful method for small networks or networks with a single entry and exit point.<\/li>\n<li>Basically this method used in addition to\u00a0<a href=\"https:\/\/www.wikitechy.com\/interview-questions\/networking\/what-is-the-difference-between-static-and-dynamic-ip\/\" target=\"_blank\" rel=\"noopener\">Static and\/or Dynamic<\/a>\u00a0routing.<\/li>\n<li>It is generally used with stub routers. A stub router is a router which has only one route to reach all other networks.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"ImageContent\" style=\"text-align: justify;\">\n<div class=\"hddn\"><img decoding=\"async\" class=\"img-responsive center-block aligncenter\" src=\"https:\/\/cdn.wikitechy.com\/interview-questions\/networking\/default-routing.png\" alt=\"Default Routing\" \/><\/div>\n<\/div>\n<div class=\"TextHeading\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<h2 id=\"dynamic-routing\" class=\"color-green\">Dynamic Routing<\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-4305\" src=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/dynamic-routing-protocol.png\" alt=\"\" width=\"1346\" height=\"719\" srcset=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/dynamic-routing-protocol.png 1346w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/dynamic-routing-protocol-300x160.png 300w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/dynamic-routing-protocol-1024x547.png 1024w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/dynamic-routing-protocol-768x410.png 768w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/dynamic-routing-protocol-390x208.png 390w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/dynamic-routing-protocol-820x438.png 820w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/dynamic-routing-protocol-1180x630.png 1180w\" sizes=\"(max-width: 1346px) 100vw, 1346px\" \/><\/p>\n<\/div>\n<\/div>\n<div class=\"Content\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Dynamic Routing makes automatic adjustment of the routes according to the current state of the route in the Routing table.<\/li>\n<li>Dynamic Routing uses protocols to discover network destinations and the routes to reach it.<\/li>\n<li>RIP and OSPF are the best examples of dynamic Routing protocol. Automatic adjustment will be made to reach the network destination if one route goes down.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div class=\"ImageContent\">\n<div class=\"hddn\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4306\" src=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/dynamic-routing.png\" alt=\"\" width=\"1251\" height=\"475\" srcset=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/dynamic-routing.png 1251w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/dynamic-routing-300x114.png 300w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/dynamic-routing-1024x389.png 1024w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/dynamic-routing-768x292.png 768w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/dynamic-routing-390x148.png 390w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/dynamic-routing-820x311.png 820w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/dynamic-routing-1180x448.png 1180w\" sizes=\"(max-width: 1251px) 100vw, 1251px\" \/><\/div>\n<\/div>\n<p align=\"center\">Dynamic Routing<\/p>\n<ul>\n<li>A dynamic protocol have following features,\n<ul>\n<li>The routers should have the same dynamic protocol running in order to exchange routes.<\/li>\n<li>When a router finds a change in the topology then router advertises it to all other routers.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"TextHeading\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<h2 id=\"advantages-2\" class=\"color-purple\">Advantages<\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<ul>\n<li>Easy to configure.<\/li>\n<li>More effective at selecting the best route to a destination remote network and also for discovering remote network.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"TextHeading\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<h2 id=\"disadvantages-2\" class=\"color-purple\">Disadvantages<\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\">\n<div class=\"hddn\">\n<ul>\n<li style=\"text-align: justify;\">Consumes more bandwidth for communicating with other neighbours.<\/li>\n<li style=\"text-align: justify;\">Less secure than static Routing.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Answer : Routing refers to establishing the routes that data packets&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"passster_activate_protection":false,"passster_protect_child_pages":"","passster_protection_type":"password","passster_password":"","passster_activate_overwrite_defaults":"","passster_headline":"","passster_instruction":"","passster_placeholder":"","passster_button":"","passster_id":"","passster_activate_misc_settings":"","passster_redirect_url":"","passster_hide":"no","passster_area_shortcode":"","gtb_hide_title":false,"gtb_wrap_title":false,"gtb_class_title":"","gtb_remove_headerfooter":false,"footnotes":""},"categories":[4590],"tags":[195,5275,201,4609,360,221,203,199,363,4606,5291,5294,5290,5292,205,5286,5284,5288,222,362,196,212,213,710,207,4605,366,4624,204,217,15929,288,367,483,5258,5260,5262,5264,5261,5263,5259,5269,5281,5257,4626,4625,4628,4629,5273,5272,5268,206,5287,5282,5271,5274,5276,5277,4608,5278,200,5285,5267,5266,5279,197,4607,5255,5249,5250,5254,5289,5283,5251,5248,5256,5270,5265,5253,5252,5280,5293],"class_list":["post-790","post","type-post","status-publish","format-standard","hentry","category-networking","tag-accenture-interview-questions-and-answers","tag-advantages-of-static-routing","tag-allstate-solutions-pvt-ltd-interview-questions-and-answers","tag-applied-mate-interview-questions-and-answers","tag-atos-interview-questions-and-answers","tag-bharti-airtel-interview-questions-and-answers","tag-capgemini-interview-questions-and-answers","tag-casting-networks-india-pvt-limited-interview-questions-and-answers","tag-ciena-corporation-interview-questions-and-answers","tag-css-corp-pvt-ltd-interview-questions-and-answers","tag-default-and-static-routing-basics","tag-default-route-linux","tag-default-route-vs-default-gateway","tag-default-routing-in-cisco-packet-tracer","tag-dell-international-services-india-pvt-ltd-interview-questions-and-answers","tag-dynamic-routing-advantages","tag-dynamic-routing-example","tag-dynamic-routing-packet-tracer","tag-flipkart-interview-questions-and-answers","tag-hcl-technologies-interview-questions-and-answers","tag-ibm-interview-questions-and-answers","tag-indecomm-global-services-interview-questions-and-answers","tag-infosys-technologies-interview-questions-and-answers","tag-mavenir-interview-questions-and-answers","tag-mphasis-interview-questions-and-answers","tag-ncr-corporation-interview-questions-and-answers","tag-netapp-interview-questions-and-answers","tag-network-router","tag-oracle-corporation-interview-questions-and-answers","tag-peoplestrong-interview-questions-and-answers","tag-polaris-financial-technology-interview-questions-and-answers","tag-r-systems-interview-questions-and-answers","tag-rbs-india-development-centre-pvt-ltd-interview-questions-and-answers","tag-reliance-industries-ltd-interview-questions-and-answers","tag-router","tag-router-check","tag-router-definition","tag-router-definition-in-networking","tag-router-in-computer-network","tag-router-meaning","tag-router-number","tag-routing","tag-routing-algorithms-in-computer-networks","tag-routing-in-a-network","tag-routing-protocols","tag-routing-protocols-and-concepts","tag-routing-protocols-cisco","tag-routing-protocols-comparison","tag-routing-protocols-in-computer-networks","tag-routing-table","tag-routing-techniques-in-computer-networks","tag-sap-labs-india-pvt-ltd-interview-questions-and-answers","tag-should-i-enable-dynamic-routing","tag-static-and-dynamic-routing","tag-static-routing","tag-static-routing-configuration","tag-static-routing-example-with-diagram","tag-static-routing-vs-dynamic-routing","tag-tata-communications-interview-questions-and-answers","tag-tatic-routing","tag-tech-mahindra-interview-questions-and-answers","tag-types-of-dynamic-routing","tag-types-of-routing-algorithms","tag-types-of-routing-in-computer-networks","tag-types-of-static-routing-protocols","tag-unitedhealth-group-interview-questions-and-answers","tag-virtela-interview-questions-and-answers","tag-what-does-route-mean","tag-what-is-a-router","tag-what-is-a-routing-number","tag-what-is-aba-routing-number","tag-what-is-default-routing-in-ccnadefault-routing","tag-what-is-dynamic-routing-protocol","tag-what-is-my-routing-number","tag-what-is-routing","tag-what-is-routing-in-networking","tag-what-is-routing-in-networking-and-its-types","tag-what-is-routing-protocol","tag-whats-my-routing-number","tag-whats-a-routing-number","tag-when-to-use-static-routing","tag-why-do-static-and-default-routing-still-play-a-role-in-many-modern-network-designs"],"yoast_head":"<!-- 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