POD-CCNA学习指南---Cisco Certified Network Associate(Exam 640-801) 英文版pdf/txt下载_在线阅读全文

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内容简介

本书以*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。

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目　　录

目录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 the Router's Troubleshooting Tools Two-Minute Drill Self Test Self Test Answers 7 Bridging and Switching Bridges and Switches Bridging vs. Switching Methods of Switching Switch Connections Functions of Bridging and Switching Learning Function Forwarding Function Loops The Spanning Tree Protocol Bridge Protocol Data Units Root Bridge Root Port Designated Port Port States Layer-2 Convergence Rapid Spanning Tree Protocol Simple STP Example 1900 and 2950 Configuration Default Configuration Quick Review Basic Interface Configuration Exercise 7-1: Basic Interface Configuration MAC Addresses and Port Security Exercise 7-2: CAM Tables Backing Up and Restoring Your 1900's Configuration Two-Minute Drill Self Test Self Test Answers 8 Virtual LANs Virtual LAN Overview Subnets and VLANs Scalability VLAN Membership VLAN Connections Access-Link Connections Trunk Connections Per-VLAN STP VLAN Trunk Protocol VTP Modes VTP Messages VTP Pruning 1900 and 2950 VLAN Configuration Configuring VTP Configuring Trunks Exercise 8-1: Configuring Trunks on Your Switches Creating VLANs Basic Troubleshooting of VLANs and Trunks Exercise 8-2: Configuring VLANs on Your Switches Two-Minute Drill Self Test Self Test Answers 9 Routing Introduction Types of Routes Autonomous Systems Administrative Distance Static Routes Static Route Configuration Default Route Configuration Default Routes and Distance Vector Protocols Verifying Static Route Configuration Exercise 9-1: Static Route Configuration Router-on-a-Stick Subinterface Configuration Interface Encapsulation Example Configuration Dynamic Routing Protocols Routing Metrics Distance Vector Protocols Link State Protocols Hybrid Protocols Problems with Distance Vector Protocols Problem: Convergence Problem: Routing Loops Exercise 9-2: Basic IP and Routing Troubleshooting Two-Minute Drill Self Test Self Test Answers 10 Configuring Distance Vector Protocols IP Routing Protocol Basics The router Command The network Command IP RIP Characteristics of RIPv1 and RIPv2 Configuring IP RIP Troubleshooting IP RIP Exercise 10-1: Configuring RIP Exercise 10-2: Basic RIP Troubleshooting IP IGRP Configuring IP IGRP Troubleshooting IP IGRP Two-Minute Drill Self Test Self Test Answers 11 Configuring Advanced Routing Protocols OSPF Characteristics of OSPF Configuring OSPF Troubleshooting OSPF Exercise 11-1: Configuring OSPF Exercise 11-2: Troubleshooting OSPF EIGRP Characteristics of EIGRP Configuring EIGRP Troubleshooting EIGRP Two-Minute Drill SelfTest Self Test Answers 12 Advanced IP Addressing VLSM Features of VLSM Addressing with VLSM VLSM Example 1 VLSM Example 2 Route Summarization Advantages of Summarization Classless Interdomain Routing Hierarchical Addressing Routing and Subnet Masks The Routing Table Performing Summarization Exercise 12-1: Performing Route Summarization Two-Minute Drill SelfTest Self Test Answers 13 IP Access Lists ACL Overview Definition Types Processing Basic ACL Configuration Activating an ACL Editing Entries Wildcard Masks Special Wildcard-Masks Examples Types of ACLs Standard Numbered ACLs Exercise 13-1: Configunng Standard Numbered ACLs Extended Numbered ACLs Named ACLs Access List Verification Placement of ACLs Standard ACLs Extended ACLs Two-Minute Drill SelfTest Self Test Answers 14 Advanced IP Features Address Translation Overview Running Out of Addresses Types of Address Translation Advantages of Address Translation Disadvantages of Address Translation Address Translation Configuration NAT Configuration PAT Configuration Load Distribution Configuration Address Translation Verification Exercise 14-1: Configuring Address Translation Dynamic Host Configuration Protocol DHCP Devices and Operation DHCP Server Configuration DHCP Client Configuration DHCP Verification Two-Minute Drill Self Test Self Test Answers 15 WAN Introduction Wide Area Networking Overview Equipment and Components Connection Types WAN Interfaces on Cisco Routers Encapsulation Methods HDLC Frame Type Configuring HDLC PPP PPP Components Configuring PPP Troubleshooting PPP PPP Authentication Exercise 15-1: Configuring PPP Exercise 15-2: Basic PPP Troubleshooting Two-Minute Drill Self Test Self Test Answers 16 Frame Relay Virtual Circuits (VCs) Full-Meshed Design Advantages of VCs Types of VCs Supported Serial Connections Terminology and Operation LMI DLCIs VC Circuit Data Rates Congestion Control Frame Relay Configuration LMI Configuration Troubleshooting LMI PVC Configuration Exercise 16-1: Configuring Frame Relay Nonbroadcast Multiaccess Topology Types Split Horizon Issues Solutions to Split Horizon Problems Subinterfaces Exercise 16-2: Configuring Frame Relay with Subinterfaces Two-Minute Drill Self Test Self Test Answers 17 ISDN ISDN Introduction ISDN Connections ISDN Standards Functional Groups and Reference Points ISDN Interface Configuration Switch Types ISDN SPIDs PRI Commands Verifying Connections Exercise 17-1: Configuring ISDN Switch Connectivity Legacy Dial-on-Demand Routing DDR Process Legacy DDR Configuration Legacy DDR Verification Using debug for Troubleshooting Troubleshooting Steps Dialer Profiles and DDR Dialer Profile Components Configuring Dialer Profiles Dialer Profile Example Two-Minute Drill Self Test Self Test Answers A About the CD System Requirements Electronic Book CertCams Flashcard Software Boson Utilities and Boson Test Demos B Exam Readiness Checklist Glossary Index

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POD-CCNA学习指南---Cisco Certified Network Associate(Exam 640-801) 英文版下载

POD-CCNA学习指南---Cisco Certified Network Associate(Exam 640-801) 英文版

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