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<html> <head> <meta content="text/html; charset=UTF-8" http-equiv="Content-Type"> <link type="text/css" rel="stylesheet" href="../../../../../css/ccna.css"> <script src="../../../../../js/framesetHelper.js" language="JavaScript"></script><script language="JavaScript"> var pageLoaded = false; var current = ''; var currentChapter = 'knet-v214aCH47501'; function launchReference(rioID, rloID, chapterID) { contentID = "knet-v214aCV47051"; dash = contentID.indexOf('-'); sub1 = contentID.substring(0,dash); sub2 = contentID.substring(dash+1); numbackParams = "CHAPID=" + chapterID + "/RLOID=" + rloID + "/RIOID=" + rioID; ContentRef = "../../../../../"+ numbackParams + "/"+ sub1 +"/"+ sub2 +"/"; eval('top.frames.main_frame.location.href="'+ContentRef+'referencecontroller_pf.html"'); } function PrevPage() { top.currentSupport--; if (top.currentSupport <= 0) { returnContent(); } else { if (top.firstSupportPage == top.contentResourceID) { returnContent(); } else if (top.prevPage == quizID) { 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background="../../../../../images/ccna/common/lab/bglab.gif"> <table bgcolor="#000000" cellspacing="0" width="100%" border="0"> <tr> <td width="100%"> <table cellpadding="4" cellspacing="1" width="100%" border="0"> <tr> <td width="10%" bgcolor="#FFFFFF" valign="top"> <table cellpadding="0" cellspacing="0" width="100%" border="0"> <tr> <td width="33%"><script language="JavaScript"> //if (parent.parent.getTopName() == "chapterframeset") //{ var imgSource = '../../../../../images/ccna/common/lab/labback.gif'; document.write('<a href="javascript:PrevPage();">'); document.write('<img src="' + imgSource + '" border="0">'); document.write('</a>'); //} </script></td><td width="33%"><img border="0" src="../../../../../images/ccna/common/icon6.gif"></td> </tr> </table> <p> </p> </td><td bgcolor="#FFFFFF" valign="top"> <p align="left"> <span class="resourceTitle">CCNA Exam Objectives</span> </p><span class="smtext"> <ol><li>Identify and describe the functions of each of the seven layers of the OSI reference model.</li><li>Describe connection-oriented network service and connectionless network service, and<br> identify the key differences between them.</li><li>Describe data link addresses and network addresses, and identify the key differences between them.</li><li>Identify at least 3 reasons why the industry uses a layered model.</li><li>Define and explain the 5 conversion steps of data encapsulation.</li><li>Define flow control and describe the three basic methods used in networking.</li><li>List the key internetworking functions of the OSI Network layer and how they are performed in a router.</li></ol> </span><p class="smtext"> <b>WAN Protocols</b> </p><span class="smtext"> <ol><li>Differentiate between the following WAN services: Frame Relay, ISDN/LAPD, HDLC, & PPP.</li><li>Recognize key Frame Relay terms and features.</li><li>List commands to configure Frame Relay LMIs, maps, and subinterfaces.</li><li>List commands to monitor Frame Relay operation in the router.</li><li>Identify PPP operations to encapsulate WAN data on Cisco routers.</li><li>State a relevant use and context for ISDN networking.</li><li>Identify ISDN protocols, function groups, reference points, and channels.</li><li>Describe Cisco's implementation of ISDN BRI.</li></ol> </span><p class="smtext"> <b>IOS</b> </p><span class="smtext"> <ol><li>Log into a router in both user and privileged modes.</li><li>Use the context-sensitive help facility.</li><li>Use the command history and editing features.</li><li>Examine router elements (RAM, ROM, CDP, show).</li><li>Manage configuration files from the privileged exec mode.</li><li>Control router passwords, identification, and banner.</li><li>Identify the main Cisco IOS commands for router startup.</li><li>Enter an initial configuration using the setup command.</li><li>Copy and manipulate configuration files.</li><li>List the commands to load Cisco IOS software from: flash memory, a TFTP server, or ROM.</li><li>Prepare to backup, upgrade, and load a backup Cisco IOS software image.</li><li>Prepare the initial configuration of your router and enable IP.</li></ol> </span><p class="smtext"> <b>Network Protocols</b> </p><span class="smtext"> <ol><li>Monitor Novell IPX operation on the router.</li><li>Describe the two parts of network addressing, then identify the parts in specific protocol address examples.</li><li>Create the different classes of IP addresses [and subnetting].</li><li>Configure IP addresses.</li><li>Verify IP addresses.</li><li>List the required IPX address and encapsulation type.</li><li>Enable the Novell IPX protocol and configure interfaces.</li><li>Identify the functions of the TCP/IP transport layer protocols.</li><li>Identify the functions of the TCP/IP network layer protocols.</li><li>Identify the functions performed by ICMP.</li><li>Configure IPX access lists and SAP filters to control basic Novell traffic.</li></ol> </span><p class="smtext"> <b>Routing</b> </p><span class="smtext"> <ol><li>Add the RIP routing protocol to your configuration.</li><li>Add the IGRP routing protocol to your configuration.</li><li>Explain the services of separate and integrated multiprotocol routing.</li><li>List problems that each routing type encounters when dealing with topology changes and<br> describe techniques to reduce the number of these problems.</li><li>Describe the benefits of network segmentation with routers.</li></ol> </span><p class="smtext"> <b>Network Security</b> </p><span class="smtext"> <ol><li>Configure standard and extended access lists to filter IP traffic.</li><li>Monitor and verify selected access list operations on the router.</li></ol> </span><p class="smtext"> <b>LAN Switching</b> </p><span class="smtext"> <ol><li>Describe the advantages of LAN segmentation.</li><li>Describe LAN segmentation using bridges.</li><li>Describe LAN segmentation using routers.</li><li>Describe LAN segmentation using switches.</li><li>Name and describe two switching methods.</li><li>Describe full- and half duplex Ethernet operation.</li><li>Describe network congestion problems in Ethernet networks.</li><li>Describe the benefits of network segmentation with bridges.</li><li>Describe the benefits of network segmentation with switches.</li><li>Describe the features and benefits of Fast Ethernet.</li><li>Describe the guidelines and distance limitations of Fast Ethernet.</li><li>Distinguish between cut-through and store and forward LAN switching.</li><li>Describe the operation of the Spanning Tree Protocol and its benefits.</li><li>Describe the benefits of virtual LANs.</li><li>Define and describe the function of a MAC address.</li></ol> </span></td> </tr> </table> </td> </tr> </table> </body></html>⌨️ 快捷键说明
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