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{"id":787,"date":"2021-07-17T20:14:19","date_gmt":"2021-07-17T20:14:19","guid":{"rendered":"https:\/\/www.wikitechy.com\/interview-questions\/?p=787"},"modified":"2022-05-05T07:43:32","modified_gmt":"2022-05-05T07:43:32","slug":"what-is-port-and-port-number","status":"publish","type":"post","link":"https:\/\/www.wikitechy.com\/interview-questions\/networking\/what-is-port-and-port-number\/","title":{"rendered":"What is port and port number ?"},"content":{"rendered":"<div class=\"TextHeading\">\n<div class=\"hddn\">\n<h2 id=\"what-is-port-and-port-number\" class=\"color-pink\">What is port and port number ?<\/h2>\n<ul>\n<li>One of the circuit connection point on a front end processor or local intelligence control is called port.<\/li>\n<li>In computer networks, the term\u00a0<a href=\"https:\/\/www.wikitechy.com\/tutorials\/linux\/how-to-open-read-and-write-from-serial-port-in-c\" target=\"_blank\" rel=\"noopener\">port<\/a>\u00a0can refer either physical or virtual connection point.<\/li>\n<\/ul>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-4313\" src=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/ports.png\" alt=\"\" width=\"960\" height=\"827\" srcset=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/ports.png 960w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/ports-300x258.png 300w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/ports-768x662.png 768w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/ports-390x336.png 390w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2021\/07\/ports-820x706.png 820w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/p>\n<\/div>\n<\/div>\n<div class=\"TextHeading\">\n<div class=\"hddn\">\n<h2 id=\"characteristics-of-ports\" class=\"color-green\">Characteristics of Ports<\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\">\n<div class=\"hddn\">\n<p>A port has the following characteristics \u2212<\/p>\n<ul>\n<li>External devices are connected to a computer using cables and ports.<\/li>\n<li>Ports are slots on the motherboard into which a cable of external device is plugged in.<\/li>\n<li>Examples of external devices attached via ports are the mouse, keyboard, monitor, microphone, speakers, etc.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"ImageContent\">\n<div class=\"hddn\"><img decoding=\"async\" class=\"img-responsive center-block aligncenter\" src=\"https:\/\/cdn.wikitechy.com\/interview-questions\/networking\/what-is-port.jpg\" alt=\"What is port\" \/><\/div>\n<\/div>\n<div class=\"TextHeading\">\n<div class=\"hddn\">\n<h2 id=\"port-number\" class=\"color-green\">Port Number<\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\">\n<div class=\"hddn\">\n<ul>\n<li>A port number is the logical address of each application or process that uses a network or the Internet to communicate.<\/li>\n<li>A port number uniquely identifies a network-based application on a computer.<\/li>\n<li>Each application\/program is allocated a 16-bit integer port number.<\/li>\n<li>This number is assigned automatically by the\u00a0<a href=\"https:\/\/www.wikitechy.com\/technology\/27-handy-chrome-os-commands-run-crosh\/\" target=\"_blank\" rel=\"noopener\">OS<\/a>, manually by the user or is set as a default for some popular applications.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"ImageContent\">\n<div class=\"hddn\"><img decoding=\"async\" class=\"img-responsive center-block\" src=\"https:\/\/cdn.wikitechy.com\/interview-questions\/networking\/what-is-port-number.png\" alt=\" What is port number\" \/><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Answer : One of the circuit connection point on a front end processor&#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":[195,201,4609,360,221,203,199,363,15908,5184,5207,4606,205,222,362,5201,5203,5200,5187,5188,5197,196,212,213,710,207,4605,366,5183,204,217,5181,5193,5062,5205,5191,5078,288,367,483,206,4608,5182,200,5189,197,4607,5185,5192,5199,5194,5198,5186,5204,5195,5206,5202,5190,5196],"class_list":["post-787","post","type-post","status-publish","format-standard","hentry","category-networking","tag-accenture-interview-questions-and-answers","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-comodo-india-interview-questions-and-answers","tag-computer-ports","tag-computer-ports-list","tag-css-corp-pvt-ltd-interview-questions-and-answers","tag-dell-international-services-india-pvt-ltd-interview-questions-and-answers","tag-flipkart-interview-questions-and-answers","tag-hcl-technologies-interview-questions-and-answers","tag-how-to-find-port-number-in-windows-7-using-cmd","tag-how-to-find-someones-port-with-their-ip","tag-how-to-get-ip-address-and-port-number-from-url","tag-how-to-port-number","tag-https-port","tag-https-port-number","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-port","tag-oracle-corporation-interview-questions-and-answers","tag-peoplestrong-interview-questions-and-answers","tag-port","tag-port-list","tag-port-number","tag-port-number-classification","tag-port-number-list","tag-port-number-table","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-sap-labs-india-pvt-ltd-interview-questions-and-answers","tag-tata-communications-interview-questions-and-answers","tag-tcp-port","tag-tech-mahindra-interview-questions-and-answers","tag-types-of-ports-in-networking","tag-unitedhealth-group-interview-questions-and-answers","tag-virtela-interview-questions-and-answers","tag-web-portal","tag-well-known-port-numbers","tag-what-is-my-port-id","tag-what-is-my-port-number","tag-what-is-my-port-number-mac","tag-what-is-port","tag-what-is-port-address-in-computer-network","tag-what-is-port-in-computer","tag-what-is-port-in-computer-network","tag-what-is-port-number","tag-whats-in-port","tag-why-do-we-need-port-numbers-in-networking"],"yoast_head":"<!-- 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