CCDA Official Exam Certification Guide, 3/e

Anthony Bruno, Steve Jordan

  • 出版商: Cisco Press
  • 出版日期: 2007-06-21
  • 定價: $1,980
  • 售價: 6.0$1,188
  • 語言: 英文
  • 頁數: 696
  • 裝訂: Hardcover
  • ISBN: 1587201771
  • ISBN-13: 9781587201776
  • 相關分類: Cisco
  • 立即出貨(限量) (庫存=2)




CCDA Official Exam Certification Guide

Third Edition


  • Master all 640-863 exam topics with the official study guide
  • Assess your knowledge with chapter-opening quizzes
  • Review key concepts with foundation summaries
  • Practice with hundreds of exam questions on the CD-ROM


Anthony Bruno, CCIE® No. 2738

Steve Jordan, CCIE No. 11293


CCDA Official Exam Certification Guide, Third Edition, is a best-of-breed Cisco® exam study guide that focuses specifically on the topics for the DESGN exam. Senior networking consultants Anthony Bruno and Steve Jordan expertly cover the latest exam content, helping you identify areas of weakness and improve your knowledge of Cisco network design. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics.


CCDA Official Exam Certification Guide presents you with an organized test preparation routine through the use of proven series elements and techniques. “Do I Know This Already?” quizzes open each chapter and allow you to decide how much time you need to spend on each section. Exam topic lists and concise Foundation Summary information make referencing easy and give you a quick refresher whenever you need it. Challenging chapter-ending review questions help you assess your knowledge and reinforce key concepts.


The companion CD-ROM contains a powerful testing engine that allows you to focus on individual topic areas or take complete, timed exams. The assessment engine also tracks your performance and provides feedback on a topic-by-topic basis, presenting question-by-question remediation to the text.


Well regarded for its level of detail, assessment features, and challenging review questions and exercises, this book helps you master the concepts and techniques that will enable you to succeed on the exam the first time.


CCDA Official Exam Certification Guide, Third Edition, is part of a recommended learning path from Cisco that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study products from Cisco Press. To find out more about instructor-led training, e-learning, and hands-on instruction offered by authorized Cisco Learning Partners worldwide, please visit


A. Anthony Bruno, CCIE® No. 2738, is a senior principal consultant with British Telecom with more than 17 years experience in the internetworking field. He has consulted for many enterprise and service-provider customers in the design, implementation, and optimization of large-scale data and IP telephony networks.


Steve Jordan, CCIE No. 11293, is a senior consultant with British Telecom with more than 11 years of experience in internetworking. He has extensive experience with large-scale data-center environments and has designed and implemented various network solutions in the manufacturing, telecommunication, and transportation industries.


This official study guide helps you master all the topics on the DESGN exam, including

  • Network design methodology
  • Network structure models
  • Enterprise LAN design
  • Wireless LAN design
  • Enterprise edge module design
  • WAN design
  • IPv4 and IPv6
  • Routing protocol selection
  • BGP, route manipulation, and IP multicast
  • Security management, technologies, and design
  • Voice architectures and IP telephony design
  • Network management protocols


Companion CD-ROM

The CD-ROM contains an electronic copy of the book and more than 200 practice questions for the DESGN exam, all available in study mode, test mode, and flash card format.


This volume is part of the Exam Certification Guide Series from Cisco Press®. Books in this series provide officially developed exam preparation materials that offer assessment, review, and practice to help Cisco Career Certification candidates identify weaknesses, concentrate their study efforts, and enhance their confidence as exam day nears.

Table of Contents



Part I General Network Design

Chapter 1 Network Design Methodology

"Do I Know This Already?" Quiz

Foundation Topics

Intelligent Information Network and Service-Oriented Network Architecture

    IIN Framework


        Network Infrastructure Layer

        Interactive Service Layer

        Application Layer

        Benefits of SONA

Prepare, Plan, Design, Implement, Operate, and Optimize Phases

    Prepare Phase

    Plan Phase

    Design Phase

    Implement Phase

    Operate Phase

    Optimize Phase

    Design Methodology Under PPDIOO

Identifying Customer Requirements

Characterizing the Existing Network

    Steps in Gathering Information

    Network Audit Tools

    Network Analysis Tools

    Network Checklist

Designing the Network Topology and Solutions

    Top-Down Approach

    Pilot and Prototype Tests

    Design Document

References and Recommended Reading

Foundation Summary


Chapter 2 Network Structure Models

"Do I Know This Already?" Quiz

Foundation Topics

Hierarchical Network Models

    Benefits of the Hierarchical Model

    Hierarchical Network Design

        Core Layer

        Distribution Layer

        Access Layer

    Hierarchical Model Examples

Cisco Enterprise Architecture Model

    Enterprise Campus Module

    Enterprise Edge Module


        Internet Edge

        VPN/Remote Access

        Enterprise WAN

    Service Provider (SP) Edge Module

    Remote Modules

        Enterprise Branch Module

        Enterprise Data Center Module

        Enterprise Teleworker Module

Network Availability

    Workstation-to-Router Redundancy


        Explicit Configuration





    Server Redundancy

    Route Redundancy

        Load Balancing

        Increasing Availability

    Media Redundancy

References and Recommended Reading

Foundation Summary


Part II LAN and WAN Design

Chapter 3 Enterprise LAN Design

"Do I Know This Already?" Quiz

Foundation Topics

LAN Media

    Ethernet Design Rules

        10-Mbps Fiber Ethernet Design Rules

        100-Mbps Fast Ethernet Design Rules

    Gigabit Ethernet Design Rules

        1000BASE-LX Long-Wavelength Gigabit Ethernet

        1000BASE-SX Short-Wavelength Gigabit Ethernet

        1000BASE-CX Gigabit Ethernet over Coaxial Cable

        1000BASE-T Gigabit Ethernet over UTP

    10 Gigabit Ethernet (10GE) Design Rules

        10GE Media Types

    Fast EtherChannel

    Token Ring Design Rules

LAN Hardware






    Layer 3 Switches

LAN Design Types and Models

    Best Practices for Hierarchical Layers

        Access Layer Best Practices

        Distribution Layer Best Practices

        Core Layer Best Practices

    Large-Building LANs

    Enterprise Campus LANs

        Edge Distribution

    Medium Site LANs

    Small and Remote Site LANs

    Server-Farm Module

        Server Connectivity Options

    Enterprise Data Center Infrastructure

    Campus LAN Quality of Service Considerations

    Multicast Traffic Considerations


        IGMP Snooping

References and Recommended Readings

Foundation Summary


Chapter 4 Wireless LAN Design

"Do I Know This Already?" Quiz

Foundation Topics

Wireless LAN Technologies

    Wireless LAN Standards

        ISM and UNII Frequencies

        Summary of Wireless LAN Standards

    Service Set Identifier (SSID)

    WLAN Layer 2 Access Method

    WLAN Security

        Unauthorized Access

        WLAN Security Design Approach

        IEEE 802.1X-2001 Port-Based Authentication

        Dynamic WEP Keys and LEAP

        Controlling WLAN Access to Servers

Cisco Unified Wireless Network

    Cisco UWN Architecture


        LWAPP Access Point Modes

        LWAPP Discovery

    WLAN Authentication

        Authentication Options

    WLAN Controller Components

        WLC Interface Types

        AP Controller Equipment Scaling

    Roaming and Mobility Groups

        Intracontroller Roaming

        Layer 2 Intercontroller Roaming

        Layer 3 Intercontroller Roaming

        Mobility Groups

Wireless LAN Design

    Controller Redundancy Design

        N+1 WLC Redundancy

        N+N WLC Redundancy

        N+N+1 WLC Redundancy

    Radio Management and Radio Groups

        Radio Frequency (RF) Groups

    RF Site Survey

    Using EoIP Tunnels for Guest Services

    Wireless Mesh for Outdoor Wireless

        Mesh Design Recommendations

    Campus Design Considerations

    Branch Design Considerations

        Local MAC


        Hybrid REAP

        Branch Office Controller Options

References and Recommended Readings

Foundation Summary


Chapter 5 WAN Technologies

"Do I Know This Already?" Quiz

Foundation Topics

WAN Technology Overview

    WAN Defined

    WAN Connection Modules

    WAN Comparison



        Frame Relay

        Time-Division Multiplexing


        Multiprotocol Label Switching

    Other WAN Technologies

        Digital Subscriber Line



        Dark Fiber

        Dense Wave Division Multiplexing

    Ordering WAN Technology and Contracts

WAN Design Methodology

    Response Time



    Bandwidth Considerations

    Window Size

    Data Compression

Optimizing Bandwidth Using QoS

    Queuing, Traffic Shaping, and Policing

        Priority Queuing

        Custom Queuing

        Weighted Fair Queuing

        Class-Based Weighted Fair Queuing

        Low-Latency Queuing

        Traffic Shaping and Policing

References and Recommended Readings

Foundation Summary


Chapter 6 WAN Design

"Do I Know This Already?" Quiz

Foundation Topics

Traditional WAN Technologies

    WAN Topologies

        Hub-and-Spoke Topology

        Full-Mesh Topology

        Partial-Mesh Topology

Remote-Access Network Design

VPN Network Design

    Overlay VPNs

    Virtual Private Dialup Networks

    Peer-to-Peer VPNs

    VPN Benefits

WAN Backup Design

    Load-Balancing Guidelines

    WAN Backup over the Internet

Layer 3 Tunneling

Enterprise WAN Architecture

    Cisco Enterprise MAN/WAN

    Enterprise WAN/MAN Architecture Comparison

Enterprise Edge Components

    Hardware Selection

    Software Selection

        Cisco IOS Packaging

        Comparing Hardware and Software

Enterprise Branch Architecture

    Branch Design

        Enterprise Branch Profiles

        Single-Tier Design

        Dual-Tier Design

        Multi-Tier Design

Enterprise Teleworker (Branch of One) Design

References and Recommended Readings

Foundation Summary


Part III The Internet Protocol and Routing Protocols

Chapter 7 Internet Protocol Version 4

"Do I Know This Already?" Quiz

Foundation Topics

IPv4 Header


    IPv4 Fragmentation

IPv4 Addressing

    IPv4 Address Classes

        Class A Addresses

        Class B Addresses

        Class C Addresses

        Class D Addresses

        Class E Addresses

    IPv4 Private Addresses


IPv4 Address Subnets

    Mask Nomenclature

    IP Address Subnet Design Example

    Determining the Network Portion of an IP Address


        VLSM Address-Assignment Example

        Loopback Addresses

        IP Telephony Networks

        CIDR and Summarization

Address Assignment and Name Resolution

    Static and Dynamic IP Address Assignment





References and Recommended Readings

Foundation Summary


Chapter 8 Internet Protocol Version 6

"Do I Know This Already?" Quiz

Foundation Topics

Introduction to IPv0

IPv6 Header

IPv6 Address Representation

    IPv4-Compatible IPv6 Addresses

    IPv6 Prefix Representation

IPv6 Address Types and Address Allocations

    IPv6 Unicast Address

    IPv6 Anycast Address

    IPv6 Multicast Address

    IPv6 Address Allocations

        Unspecified Address

        Loopback Address

        IPv4-Compatible IPv6 Address

        Global Unicast Addresses

        Link-Local Addresses

        Site-Local Addresses

        Multicast Addresses

IPv6 Mechanisms


    IPv6 Network Discovery (ND) Protocol

    IPv6 Name Resolution

    Path MTU Discovery

    IPv6 Address-Assignment Strategies

        Autoconfiguration of Link-Local Address


    IPv6 Security

    IPv6 Routing Protocols

        RIPng for IPv6

        EIGRP for IPv6

        OSPFv3 for IPv6

        IS-IS for IPv6

        BGP4 Multiprotocol Extensions for IPv6

IPv4 to IPv6 Transition Strategies and Deployments

    IPv6 over Dedicated WAN Links

    IPv6 over IPv4 Tunnels

    Dual-Stack Backbones

        Dual-Stack Hosts

    Protocol Translation Mechanisms

IPv6 Comparison with IPv4

References and Recommended Readings

Foundation Summary


Chapter 9 Routing Protocol Selection Criteria

"Do I Know This Already?" Quiz

Foundation Topics

Routing Protocol Characteristics

    Static Versus Dynamic Route Assignment

    Interior Versus Exterior Routing Protocols

    Distance-Vector Routing Protocols


    Link-State Routing Protocols

    Distance-Vector Routing Protocols Versus Link-State Protocols

    Hierarchical Versus Flat Routing Protocols

    Classless Versus Classful Routing Protocols

    IPv4 Versus IPv6 Routing Protocols

    Administrative Distance

Routing Protocol Metrics and Loop Prevention

    Hop Count






    Maximum Transmission Unit (MTU)

    Routing Loop-Prevention Schemes

        Split Horizon

        Split Horizon with Poison Reverse

        Counting to Infinity

    Triggered Updates



References and Recommended Readings

Foundation Summary


Chapter 10 RIP and EIGRP Characteristics and Design

"Do I Know This Already?" Quiz

Foundation Topics


    RIPv1 Forwarding Information Base

    RIPv1 Message Format

    RIPv1 Timers

        Update Timer

        Invalid Timer

        Flush Timer

        Holddown Timer

    RIPv1 Design

    RIPv1 Summary



        MD5 Authentication

    RIPv2 Forwarding Information Base

    RIPv2 Message Format

    RIPv2 Timers

    RIPv2 Design

    RIPv2 Summary


    RIPng Timers


    RIPng Message Format

    RIPng Design

    RIPng Summary


    IGRP Timers

    IGRP Metrics

    IGRP Design

    IGRP Summary

EIGRP for IPv4 Networks

    EIGRP Components

        Protocol-Dependent Modules

        Neighbor Discovery and Recovery



    EIGRP Timers

    EIGRP Metrics

    EIGRP Packet Types

    EIGRP Design

    EIGRP Summary

EIGRP for IPv6 Networks

    EIGRP for IPv6 Design

    EIGRP for IPv6 Summary

References and Recommended Readings

Foundation Summary

    RIPv1 Summary

    RIPv2 Summary

    RIPng Summary

    EIGRP for IPv4 Summary

    EIGRP for IPv6 Summary


Chapter 11 OSPF and IS-IS

"Do I Know This Already?" Quiz

Foundation Topics


    OSPFv2 Concepts and Design

        OSPFv2 Metric

        OSPFv2 Adjacencies and Hello Timers

        OSPFv2 Areas

        OSPF Router Types

        OSPF DRs

        LSA Types

        OSPF Stub Area Types

        Virtual Links

        OSPFv2 Router Authentication

    OSPFv2 Summary


    OSPFv3 Changes from OSPFv2

    OSPFv3 Areas and Router Types

    OSPFv3 Link State Advertisements

    OSPFv3 Summary


    IS-IS Metrics

    IS-IS Operation and Design


        IS-IS DRs

        IS-IS Areas

        IS-IS Authentication

    IS-IS for IPv6

    IS-IS Summary

References and Recommended Readings

Foundation Summary

OSPFv2 Summary

OSPFv3 Summary

IS-IS Summary


Chapter 12 Border Gateway Protocol, Route Manipulation, and IP Multicast

"Do I Know This Already?" Quiz

Foundation Topics


    BGP Neighbors



    Route Reflectors


    BGP Administrative Distance

    BGP Attributes, Weight, and the BGP Decision Process

        BGP Path Attributes

        Next-Hop Attribute

        Local Preference Attribute

        Origin Attribute

        AS Path Attribute

        MED Attribute

        Community Attribute

        Atomic Aggregate and Aggregator Attributes


        BGP Decision Process

    BGP Summary

Route Manipulation


    Route Summarization

    Route Redistribution

        Default Metric

        OSPF Redistribution

IP Multicast Review

    Multicast Addresses

    Layer 3 to Layer 2 Mapping






        IGMP Snooping

    Sparse Versus Dense Multicast Routing Protocols

    Multicast Source and Shared Trees



        PIM DR


        PIMv2 Bootstrap Router


        IPv6 Multicast Addresses

References and Recommended Readings

Foundation Summary

BGP Summary

Route Redistribution

IP Multicast


Part IV Security, Convergence, and Network Management

Chapter 13 Security Management

"Do I Know This Already?" Quiz

Foundation Topics

Network Security Overview

    Security Legislation

Security Threats

    Reconnaissance and Port Scanning

    Vulnerability Scanners

    Unauthorized Access

Security Risks


    Loss of Availability

    Integrity Violations and Confidentiality Breaches

Security Policy and Process

    Security Policy Defined

    Basic Approach of a Security Policy

    Purpose of Security Policies

    Security Policy Components

    Risk Assessment

    Continuous Security

    Integrating Security Mechanisms into Network Design

Trust and Identity Management


        Domains of Trust





    Access Control

Secure Connectivity

    Encryption Fundamentals

    Encryption Keys

    VPN Protocols

    Transmission Confidentiality

    Data Integrity

Threat Defense

    Physical Security

    Infrastructure Protection

References and Recommended Readings

Foundation Summary


Chapter 14 Security Technologies and Design

"Do I Know This Already?" Quiz

Foundation Topics

Cisco Self-Defending Network

    Network Security Platforms

    Self-Defending Network Phases

Trust and Identity Technologies

    Firewall ACLs

    NAC Framework and Appliance

    Cisco Identity-Based Network Services

    Identity and Access Control Deployments

Detecting and Mitigating Threats

    Threat Detection and Mitigation Technologies

    Threat Detection and Mitigation Solutions

Security Management Applications

    Security Platform Solutions

Integrating Security into Network Devices

    IOS Security

    ISR Security Hardware Options

    Cisco Security Appliances

    Intrusion Prevention

    Catalyst 6500 Services Modules

    Endpoint Security

Securing the Enterprise

    Implementing Security in the Campus

    Implementing Security in the Data Center

    Implementing Security in the Enterprise Edge and WAN

References and Recommended Readings

Foundation Summary


Chapter 15 Traditional Voice Architectures and IP Telephony Design



《CCDA官方考試認證指南》第三版是一本優秀的思科考試學習指南,專注於DESGN考試的相關主題。資深網絡顧問Anthony Bruno和Steve Jordan熟練地涵蓋了最新的考試內容,幫助您找出弱點並提高對思科網絡設計的理解。本書以簡潔的方式呈現材料,專注於增加您對考試主題的理解和記憶。