本书以最新版的CCNA认证考试(Exam 640-801)为目标，内容不但覆盖核心考试640-801的所有考试要点，而且还涵盖了CCNA INTRO(Exam 640-821)和ICND(Exam 640-811)的所有考试要点，并且尽可能详细地介绍了CCNA应试者所应该掌握的所有技能。
本书在介绍考试要点时针对每个考试目标，使用了大量的插图、表格、试验、测试等，使读者在牢固掌握知识点的同时，轻松地获得丰富的实践经验。
本书由具有丰富CCNA考试经验的专家编写，是参加CCNA考试人员的必备考试教材。
CCNA学习指南Cisco Certified Network Associate(Exam 640-801)(英文版附光盘)
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1 Networking Technologies
Networks Components Locations Topologies Physical Versus Logical Topologies Meshing Network Types Local Area Networks Wide Area Networks Metropolitan Area Networks Storage Area Networks Content Networks Intranets, Extranets, and Internets Virtual Private Networks Two-Minute Drill Self Test Self Test Answers 2 Networking Concepts OSI Reference Model Advantages Layer Definitions Devices Data Link Layer Data Link Layer Addressing Ethernet Data Link Devices: Bridges Data Link Devices: Switches Network Layer Layer-3 Addressing Routing Tables Advantages of Routers Transport Layer Reliable Connections Unreliable Connections Connection Multiplexing Flow Control Transferring Information Between Computers Going Down the Protocol Stack Going Up the Protocol Stack Two Segment Example Hierarchical Network Model Core. Layer Distribution Layer Access Layer Connections Two-Minute Drill Self Test Self Test Answers 3 IP Addressing TCP/IP Protocol Stack Application Layer Transport Layer Internet Layer IP Addressing Introduction Bit Values Hexadecimal Conversion Classes of Addresses IP Address Components Subnetting Subnet Masks Subnet Masks Values Planning IP Addressing Step 1: Figure Out Network and Host Requirements Step 2: Satisfy Host and Network Requirements Step 3: Figure Out the Subnet Mask Step 4: Figure Out the Network Addresses Step 5: Figure Out the Directed Broadcast Addresses Step 6; Figure Out the Host Addresses Exercise 3-1: Planning IP Addressing Exercise Figuring Out IP Address Components Six Step Approach For Figuring Out IP Address Components Example #1 For Figuring Out IP Address Components Example #2 For Figuring Out IP Address Components Example #3 For Figuring Out IP Address Components Exercise 3-2: Determining Network, Directed Broadcast, and Host Components Two-Minute Drill Self Test Self Test Answers 4 Preparing Network Connections Cisco's Networking Products Hubs Switches Routers Chassis Information Catalyst 1.900 Switch Catalyst 2950 Switch Routers Connections Console Port Hardware Interfaces Cabling Ethernet Cabling WAN Cabling Two-Minute Drill Self Test Self Test Answers 5 Basic Switch and Router Configuration IOS Introduction Device Startup Accessing the Command-Line Interface (CLI) EXEC Modes IOS Basics Command Abbreviation and Completion Context-Sensitive Help Command Output Entering Commands IOS Feature Example Exercise 5-1: Using IOS Features Basic Switch Configuration Accessing the CLI EXEC Modes Accessing Configuration Mode Configuration Files Verifying Switch Operation Exercise 5-2: Configuring the 1900 Switch Exercise 5-3: Configuring the 2950 Switches Basic Router Configuration Setup Mode Configuration Mode Verifying a Router's Operation Router Configuration Files Exercise 5-4: Using the CLI to Set Up a Basic Router Configuration Two-Minute Drill Self Test Self Test Answers 6 Managing Your Network Device Router Hardware Components Read-Only Memory (ROM) Other Components Router Bootup Process Bootstrap Program Configuration Register Router Configuration Files Saving Configuration Files Restoring Configuration Files Creating and Deleting Configuration Files Configuration File Nomenclature Review of Configuration Files Exercise 6-1: Manipulating Your Router's Configuration Files Changes in Your Network Adding Devices Changing Devices Router IOS Image Files Naming Conventions for IOS Images Before Upgrading the IOS Image Backing Up an IOS Image Loading an IOS Image IOS Troubleshooting Cisco Discovery Protocol (CDP) Layer-3 Connectivity Testing Layer-7 Connectivity Testing Debug Overview Exercise 6-2: Using t |
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