CCNA 2.0考试指南 英文原版 含盘 mobi 下载 网盘 caj lrf pdf txt 阿里云

本书是美国著名的出版商McGraw-Hill出版的畅销认证系列丛书All-in-One中的一本。作者是著名的网络技术培训专家，他在本书中提供了极具洞察力的专家经验。本书的每一章都以考试目标开始，提供了考试技巧、章末的练习题以及大量的图表，可以帮助读者轻松通过CCNA 2.0考试（640-507）。本书主要讲述了以下方面的内容：OSI模型和网络拓扑结构，以太网、令牌环网和FDDI访问方法，第2层设备，网络协议，IP编址和子网化，路由协议，路由配置和IOS备份与恢复，Novell Netware IPX路由，访问控制表，LAN交换、VLAN和STP，WAN封装方法等；光盘中包含大量原汁原味的考试试题、练习考试、录像片断以及有用的工具和Internet考试资料。本书适用于Cisco职业认证考试的备考者及计算机网络技术人员。

Chapter 1 Networking Introduction and Standards

Computer Hardware Basics

Bits and Bytes

Major Computer Systems

Workstati***, Servers, Hosts, and Nodes

Workstati***

Servers

Hosts and Nodes

Peer-to-Peer vs. Server-Based Networks

Servers

LANs, WANs, MANs, Networks, and Internetworks

Communicati*** Media

Industry Standards

802 Standards

International Telecommunicati*** Union (ITU)

Internet Engineering Task Force (IETF)

Internet Assigned Numbers Authority (IANA)

Telecommunicati*** Industry Association (TIA) and Electronic Industries Association (EIA)

American National Standards Institute (ANSI)

OSI Reference Model

Reas*** to Use a Layered Model

The Seven-Layer Overview

Data Encapsulation

Summary

Practice Questi***

Questi*** 23

Answers 25

Chapter 2适OSI Model-Layer 1

Physical Layer: Layer 1

Electricity and Electronics

Signaling

Threats to Signaling

Communicati*** Media

Collisi*** and Collision Domains

Layer 1 Components and Devices

Summary

Practice Questi***

Questi***

Answers

Chapter 3适Topology and Access Methods

Topology Opti***

Physical vs. Logical Topology

Bus Topology

Star Topology

Star-Bus Topology

Extended Star Topology

Tree Topology

Ring Topology

Dual-Ring Topology

Mesh or Matrix Topology

Cellular Topology

Hierarchical Network Model

Access Methods

Ethernet

Xerox誷 PARC Facility

Token Ring

FDDI

Broadcasts and Collisi***

Broadcasts

Collisi***

Summary

Practice Questi***

Questi***

Answers

Chapter 4适OSI Model-Layer 2

Data Link Layer: Layer 2

Network Interface Card

Exercise: Downloading Drivers 88

Media Access Control 94

Logical Link Control 98

Layer 2 Devices 99

Network Interface Card 100

Bridges 100

LAN Switches 105

Summary 111

Chapter Review 111

Case Study: The Elm Park Elementary School 111

Practice Questi*** 116

Questi*** 116

Answers 118

Chapter 5适OSI Model-Layer 3 119

Network Layer: Layer 3 120

Names and Addresses 120

Routing Data 125

Routable vs. Nonroutable Protocols 128

Routable vs. Routing Protocols 128

Network Protocols 128

IP Addressing Basics 137

Layer 3 Devices 140

***P/IP Acronyms 141

Optional Exercises 143

Address Exercise 143

Basic Connectivity Exercise 147

ARP Exercise 150

Network Configuration Exercise 151

Summary 156

Case Study: The Elm Park Elementary School 156

Case Study Suggested Solution 158

Practice Questi*** 158

Questi*** 158

Answers 160

Chapter 6适OSI Model-Layer 4 161

Transport Layer: Layer 4 162

Connection-Oriented vs. Connectionless Protocols 162

Error Recovery (Reliability) 163

Flow Control 164

Layer 4 Protocols 165

Port Numbers 167

***P Connection Establishment and Termination 168

Summary 171

Practice Questi*** 172

Questi*** 172

Answers 173

Chapter 7适OSI Model-Layers 5, 6, and 7 175

Session Layer: Layer 5 176

Session Establishment, Termination, and Reestablishment 177

Dialogue Control 177

Dialogue Separation 177

Layer 5 Protocols 178

Presentation Layer: Layer 6 179

Data Formatting 179

Data Compression 182

Data Encryption 184

Format Exercise 184

Application Layer: Layer 7 185

Network Applicati*** 186

Standalone Applicati*** 186

Application Layer Example 186

Hyperlinks Exercise 193

HOSTS Exercise 193

Summary 196

Practice Questi*** 197

Questi*** 197

Answers 199

Chapter 8适Servers and Network Operating Systems 201

Network Operating Systems 202

Peer-to-Peer Network or Server-Based Network 202

NOS Choices 204

Server Services 208

Network Security 212

Network Security Policies 212

Written Company Network Security Policies 213

User Accounts 214

Groups 215

User Profiles 217

User Policies 218

Server Hardware 218

Performance Monitor 219

Fault Tolerance 221

Redundancy 222

Redundant Array of Inexpensive Disks (RAID) 222

Back-Up Operati*** 224

Uninterruptible Power Supply 225

Power Conditioning 226

Disaster Recovery Plan 226

Anti-Virus Protection 227

Summary 227

Chapter 9适IP Addressing and Subnetting 229

Understanding the Numbers 230

Decimal Values 230

Binary to Decimal 233

Decimal to Binary 235

Working with the Table Relati***hips 236

Hexadecimal to Decimal 237

Decimal to Hexadecimal 238

Hexadecimal and Binary Numbers 239

IP Classful Addressing 240

Network/Host Relati***hips 241

Class Default Routing Masks 242

Private Addresses 244

Determining the Number of Hosts 244

Determining the Number of Classful Networks 245

Things to Remember About Classful Addresses 246

IP Classful Subnets 249

Simple Soluti*** 250

Not-So-Simple Soluti*** 251

What About Valid Subnets? 255

Number of Hosts per Subnet 256

Determining a Subnet Address 260

Summarize Classful Subnetting 262

Classless Inter-Domain Routing (CIDR) 263

CIDR as Part of the Solution 264

Prefix Notation 265

Supernetting 265

Variable-Length Subnet Masks (VL***) 267

Why Use Variable-Length Subnet Masks 267

Network Address Translation (NAT) 268

Using the Windows Calculator 270

Using an IP Calculator 271

RFC Search 274

Summary 277

Case Study: Tri-City Medical Group 277

Practice Questi*** 280

Questi*** 280

Answers 281

Chapter 10适LAN Design 283

LAN Design 284

Design Goals 285

Network Scalability Requirements 285

Hierarchical Network Model 288

LAN Design Issues 290

Gathering and Analyzing Requirements 295

Customer Requirements 296

Document the Current Network 298

Analyze Information 298

Determining the Network Design 298

Layer 1: Physical Layer 299

Layer 2: Data Link Layer 304

Layer 3: Network Layer 308

Logical and Physical Network Maps 309

Summary 309

Practice Questi*** 310

Questi*** 310

Answers 311

Chapter 11适Elements of Routing 313

Routing Fundamentals 314

How Addresses Represent Network Paths 314

Routing Requirements 317

Expert Discussion 318

Routing Methods 318

Dynamic Routing 319

Static Routing 322

Default Routing 325

Routing Protocol Fundamentals 326

Distance-Vector Protocols 326

Link-State Protocols 337

Summary of Distance-Vector and Link-State Protocols 340

Hybrid Routing Protocols 340

Interior vs. Exterior Routing Protocols 341

Concluding with the Switching Process 342

Summary 344

Case Study: Xaliphor Advertising 345

Xaliphor Advertising袮nalysis Worksheet 346

Xaliphor Advertising袮nalysis Soluti*** 346

Practice Questi*** 347

Questi*** 347

Answers 350

Chapter 12适Router Basics and Router Setup 353

Cisco Router Models 354

Router Interfaces 355

Three Levels of Router Implementation 359

Expert Discussion 360

Hardware Basics 365

Cisco IOS 368

What You Need for Hands-On Experience 371

Exploring a Router 375

C***ole Cable 375

Setting Up a HyperTerminal Session 377

HyperTerminal Exercise 377

Command-Line Interface (CLI) 379

User and Privilege EXEC Modes 380

Configuration Modes 381

Router Help Feature 382

Using tab to Complete a Word 383

IOS Command History 383

IOS Editing Commands 385

Show Commands 385

Basics Exercise 385

Capturing the Configuration Exercise 392

Cisco Router Setup Feature 394

Setting Up Global Parameters 395

Sample Setup Session 395

Summary 396

Practice Questi*** 397

Questi*** 397

Answers 399

Chapter 13适Router Configuration 401

Router Configuration 401

Erasing or Clearing the Router Configuration 403

Configuring the Interfaces 408

Enabling IP Routing 419

Passwords and Router Security 447

Device Names and Name Resolution 451

Descripti***, Messages, and a Start File 457

Cisco IOS 460

Router Password Recovery 472

ConfigMaker 473

Using a Web Browser 475

Summary 477

Practice Questi*** 477

Questi*** 477

Answers 481

Chapter 14适Novell NetWare 483

Novell IPX/SPX Protocol Suite 484

IPX Addressing 485

Encapsulation Methods 486

Configuring a Workstation 488

Configuring a Router 492

IPX Routing 500

Connectivity 506

IPX SAP and GNS 508

Summary 509

Practice Questi*** 510

Questi*** 510

Answers 512

Chapter 15适Access Control Lists袽anaging Network Traffic and Resources 513

Access Control Lists (ACLs) 514

Why Use ACLs 514

ACLs and Network Protocols 515

Access List Basics 515

IP Access Lists 521

IPX Access Lists 544

ACLs and Firewall Routers 549

Summary 551

Practice Questi*** 551

Questi*** 551

Answers 559

Chapter 16适LAN Switching 561

Legacy Ethernet 562

LAN Switching Fundamentals 563

Layer 2, Layer 3, and Upper-Layer Switching 564

LAN Switching Advantages 565

Virtual Local Area Networks 574

The Practical Side to VLANs 576

VLAN Implementation Methods 576

VLAN Communication 577

VLAN Benefits 578

Overview of the Spanning Tree Protocol 582

Summary 584

Case Study: Atlantis College 584

Design Worksheet for Atlantis College 586

Case Study-Suggested Soluti*** 586

Practice Questi*** 587

Questi*** 587

Answers 589

Chapter 17适Introduction to Wide Area Networks 591

WAN Overview 592

Terminology 593

WAN Devices 594

WAN Connectivity Approaches 596

WANs at the Physical Layer 599

WANs at the Data Link Layer 599

HDLC 600

Expert Discussion 600

PPP 602

LAPB 602

Frame Relay 603

ISDN 604

Summary 606

Case Study: Tuvix IT Soluti*** 607

Practice Questi*** 609

Questi*** 610

Answers 614

Chapter 18适PPP 615

PPP Overview 616

PPP and the OSI Model 616

PPP Framing 617

PPP Stages of Operation 618

Link Establishment and Configuration Negotiation 619

Link-Quality Determination 620

Authentication 620

Network Layer Protocol Configuration Negotiation 620

Transmission and Link Termination 620

PPP Link Authentication 620

PAP 621

CHAP 622

Expert Discussion 622

Basic PPP Configuration 625

PPP Encapsulation Configuration 625

PAP Configuration 625

CHAP Configuration 625

Verifying PPP 626

Summary 626

Case Study: Deus Institute 627

Configuration Worksheet for the Deus Institute 628

Case Study-Suggested Soluti*** 628

Practice Questi*** 629

Questi*** 629

Answers 630

Chapter 19适ISDN 631

ISDN Elements 631

ISDN Services 632

ISDN Components 634

ISDN Call Setup 634

ISDN Reference Points 636

ISDN Soluti*** 637

ISDN Remote Connectivity Methods 638

ISDN Protocols 639

Physical Layer ISDN Protocols 640

ISDN at the Data Link Layer 640

ISDN at the Network Layer 641

DDR Overview 641

ISDN BRI Configuration 642

Setting the ISDN Switch Type 642

Setting the SPID 642

Setting the Encapsulation Protocol 644

DDR Configuration 644

Defining Interesting Traffic 644

Specifying Static Routes 645

Configuring Dialer Instructi*** 646

Example BRI DDR configuration 647

Verifying and Troubleshooting ISDN and DDR 648

Summary 648

Case Study: Remote Connectivity with ISDN and DDR 648

Configuration Worksheet for Remote Office Router 649

Case Study-Suggested Soluti*** 649

Practice Questi*** 650

Questi*** 650

Answers 653

Chapter 20适Frame Relay 655

Frame Relay Elements 656

Expert Discussion 656

DLCI 658

Frame Relay Frame Format 659

LMI 659

Inverse ARP 662

Swapping the DLCI 664

Frame Relay Switching Table 664

Frame Relay Traffic Control 665

Frame Relay Topologies 667

Reachability Issues with Frame Relay 669

Subinterface Types 671

Frame Relay Configuration 675

Enabling Frame Relay Encapsulation 675

Specifying the LMI type 675

Configuring the Link Bandwidth 675

Enabling Inverse ARP 676

Configuring a Static Map 676

Configuring Subinterfaces 676

Steps to Configuring Subinterfaces 677

Subinterface Configuration Examples 678

Monitoring, Verifying, and Troubleshooting Frame Relay 683

The show interfaces serial Command 683

The show frame-relay lmi Command 684

The show frame-relay pvc Command 685

The show frame-relay map Command 685

The debug frame-relay Command 686

Summary 686

Case Study: Zahandra Communicati*** 687

Practice Questi*** 690

Questi*** 690

Answers 691

Chapter 21适Evolving Internet Connectivity 693

Cable Modems 693

Cisco Cable Devices 695

Always-On Technology 696

How Cable Connecti*** Work 696

Internet Service on Cable 698

Shared Bandwidth Concerns 699

Digital Subscriber Line (DSL) 699

How DSL Works 700

Different Flavors of DSL Service 700

Always-On Technology 703

Wireless Network Access 704

Direct Broadcast Satellite (DBS) 704

Multi-Channel Multipoint Distribution Services (MMDS) 705

Local Multipoint Distribution Services 706

Ricochet 707

Network Architecture 707

Wireless Local Area Networking 707

Wireless LAN standard 708

Security 708

Summary 708

Chapter 22适WAN Design 711

WAN Design C***iderati*** 712

Network Scalability Requirements 713

LAN/WAN Integration 715

WAN Design Issues 717

WAN Design Requirements 717

Customer Requirements 719

Gathering Information 721

Analyzing Information 721

Hierarchical Network Model 721

WAN Opti*** 725

Selecting the Router 728

Summary 728

Practice Questi*** 729

Questi*** 729

Answers 730

Appendix A适Router Configurati*** 731

Glossary 745

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