{"version":"1.0","provider_name":"Tutorial","provider_url":"https:\/\/www.vskills.in\/certification\/tutorial","author_name":"Team Vskills","author_url":"https:\/\/www.vskills.in\/certification\/tutorial\/author\/vskills_admin\/","title":"TCP\/IP Packet Formats and Ports - Tutorial","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"AtTVpfVMFd\"><a href=\"https:\/\/www.vskills.in\/certification\/tutorial\/tcp-ip-packet-formats-and-ports\/\">TCP\/IP Packet Formats and Ports<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.vskills.in\/certification\/tutorial\/tcp-ip-packet-formats-and-ports\/embed\/#?secret=AtTVpfVMFd\" width=\"600\" height=\"338\" title=\"&#8220;TCP\/IP Packet Formats and Ports&#8221; &#8212; Tutorial\" data-secret=\"AtTVpfVMFd\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.vskills.in\/certification\/tutorial\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"Go back to Tutorial Network Layer Functions OSI network layer has following functions which include Logical addressing &#8211; Sending the data packet from one network to another network requires logical addressing. It helps to distinguish source and destination systems. Network layer adds header to data coming from upper layers and include logical address of sender...","thumbnail_url":"http:\/\/www.vskills.in\/lms\/wp-content\/uploads\/2016\/05\/tcpip-packet-formats-and-ports.png"}