CCNA ICND2 Official Exam Certification Guide (CCNA Exams 640-816 and 640-802), 2/e

Wendell Odom

  • 出版商: Cisco Press
  • 出版日期: 2007-09-09
  • 定價: $1,400
  • 售價: 2.8$399
  • 語言: 英文
  • 頁數: 744
  • 裝訂: Hardcover
  • ISBN: 158720181X
  • ISBN-13: 9781587201813
  • 相關分類: Cisco

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Description

Master ICND1 640-822, ICND2 640-816 and CCNA 640-802 exam topics with the official study guides

  • Assess your knowledge with chapter-opening quizzes
  • Review key concepts with Exam Preparation Tasks
  • Practice with hundreds of exam questions on the CD-ROM

     

    Includes 1 Hour of Video Training

     

    Wendell Odom, CCIE® No. 1624

     

    CCNA Official Exam Certification Library, Third Edition, is a comprehensive review and practice package for the latest CCNA® exams. The two books contained in this package, CCENT/CCNA ICND1 Official Exam Certification Guide, Second Edition, and CCNA ICND2 Official Exam Certification Guide, Second Edition, present complete reviews and a more challenging and realistic preparation experience. The books are updated to cover all the new 640-802 exam objectives, such as security, wireless, IPv6, and troubleshooting.

     

    Best-selling author and senior instructor Wendell Odom shares preparation hints and test-taking tips, helping you to identify areas requiring further study and to improve your conceptual and hands-on knowledge. The material is presented in a concise manner, focusing on increasing your understanding of exam topics and preparing you for the numerous challenges the exams present.

     

    CCNA Official Exam Certification Library, Third Edition, 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. Chapter ending Exam Preparation Tasks sections help drill you on key concepts you must know thoroughly and help increase your speed in answering questions, a difficult hurdle many candidates face on the new exams. Final Preparation chapters guide you through tools and resources to help you craft your final study plan. Special troubleshooting sections help you master the complex scenarios you will face on the exam.

     

    The companion CD-ROMs contain 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 chapter-by-chapter basis, presenting question-by-question remediation to the text.

     

    The bonus DVDs contain more than 60 minutes of personal video mentoring from the author focused mainly on the topic of subnetting. These videos help bring difficult subnetting concepts to life and make learning easy.

     

    Well-regarded for its level of detail, assessment features, and challenging practice questions, this completely revised and updated edition provides you with more detailed information and more realistic practice exercises than any other CCNA study guide, enabling you to succeed on the exam the first time.

     

    CCNA Official Exam Certification Library, 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 www.cisco.com/go/authorizedtraining.

     

    Wendell Odom, CCIE® No. 1624, has been in the networking industry since 1981. He currently teaches QoS, MPLS, and CCNA courses for Skyline Advanced Technology Services (www.skyline-ats.com). Wendell has also worked as a network engineer, consultant, systems engineer, and instructor and course developer and has taught authorized Cisco courses for the majority of the last 14 years.

     

    These official study guides help you master all the topics on the CCNA exams, including:

    • TCP/IP and OSI networking models
    • Operating Cisco routers and LAN switches
    • Ethernet switch configuration and troubleshooting
    • Virtual LANs and Spanning Tree Protocol
    • Wireless LANs
    • IP addressing and subnetting
    • Routing protocols
    • Router configuration and troubleshooting
    • Static and connected routes
    • VLSM and route summarization
    • IP access control lists
    • OSPF and EIGRP configuration
    • WAN configuration and troubleshooting
    • Frame Relay
    • Network Security and VPNs
    • NAT
    • IPv6
    • Troubleshooting

     

    Companion CD-ROMs

    The two CD-ROMs contain electronic copies of the books and 400 practice questions for the full CCNA, ICND1, and ICND2 exams, including simulation and testlet questions, all available in study mode, test mode, and flash card format.

     

    BONUS DVDs

    The two DVDs contain more than 60 minutes of personal video instruction from the author.

     

    Supporting Web Site

    Up-to-date study materials, the latest exam hints, and errata can be downloaded free at www.ciscopress.com/title/1587201836

     

    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

    158720181X

    Foreword

    Introduction

    Part I: LAN Switching

    Chapter 1 Virtual LANs

    "Do I Know This Already?" Quiz 5

    Foundation Topics 9

    Virtual LAN Concepts

        Trunking with ISL and 802.1Q

            ISL

            IEEE 802.1Q

            ISL and 802.1Q Compared

        IP Subnets and VLANs

        VLAN Trunking Protocol (VTP)

    Normal VTP Operation Using VTP Server and Client Modes

            Three Requirements for VTP to Work Between Two Switches

            Avoiding VTP by Using VTP Transparent Mode

            Storing VLAN Configuration

            VTP Versions

            VTP Pruning

            Summary of VTP Features

    VLAN and VLAN Trunking Configuration and Verification

        Creating VLANs and Assigning Access VLANs to an Interface

            VLAN Configuration Example 1: Full VLAN Configuration

            VLAN Configuration Example 2: Shorter VLAN Configuration

        VLAN Trunking Configuration

            Controlling Which VLANs Can Be Supported on a Trunk

            Trunking to Cisco IP Phones

        Securing VLANs and Trunking

    VTP Configuration and Verification

        Using VTP: Configuring Servers and Clients

        Caveats When Moving Away from Default VTP Configuration

        Avoiding VTP: Configuring Transparent Mode

        Troubleshooting VTP

            Determining Why VTP Is Not Currently Working

            Problems When Connecting New Switches and Bringing Up Trunks

            Avoiding VTP Problems Through Best Practices

    Exam Preparation Tasks

    Review All the Key Topics

    Complete the Tables and Lists from Memory

    Definitions of Key Terms

    Command Reference to Check Your Memory

    Chapter 2 Spanning Tree Protocol

    "Do I Know This Already?" Quiz

    Foundation Topics

    Spanning Tree Protocol (IEEE 802.1d)

        The Need for Spanning Tree

        What IEEE 802.1d Spanning Tree Does

        How Spanning Tree Works

            The STP Bridge ID and Hello BPDU

            Electing the Root Switch

            Choosing Each Switch's Root Port

            Choosing the Designated Port on Each LAN Segment

            Reacting to Changes in the Network

        Optional STP Features

            EtherChannel

            PortFast

            STP Security

    Rapid STP (IEEE 802.1w)

        RSTP Link and Edge Types

        RSTP Port States

        RSTP Port Roles

        RSTP Convergence

            Edge-Type Behavior and PortFast

            Link-Type Shared

            Link-Type Point-to-Point

            An Example of Speedy RSTP Convergence

    STP Configuration and Verification

        Multiple Instances of STP

        Configuration Options That Influence the Spanning Tree Topology

            The Bridge ID and System ID Extension

            Per-VLAN Port Costs

            STP Configuration Option Summary

        Verifying Default STP Operation

        Configuring STP Port Costs and Switch Priority

        Configuring PortFast and BPDU Guard

        Configuring EtherChannel

        Configuring RSTP

    STP Troubleshooting

        Determining the Root Switch

        Determining the Root Port on Nonroot Switches

        Determining the Designated Port on Each LAN Segment

        STP Convergence

    Exam Preparation Tasks

    Review All the Key Topics

    Complete the Tables and Lists from Memory

    Definitions of Key Terms

    Command Reference to Check Your Memory

    Chapter 3 Troubleshooting LAN Switching

    "Do I Know This Already?" Quiz

    Foundation Topics

    Generalized Troubleshooting Methodologies

        Analyzing and Predicting Normal Network Operation

            Data Plane Analysis

            Control Plane Analysis

            Predicting Normal Operations: Summary of the Process

        Problem Isolation

        Root Cause Analysis

        Real World Versus the Exams

    Troubleshooting the LAN Switching Data Plane

        An Overview of the Normal LAN Switch Forwarding Process

        Step 1: Confirm the Network Diagrams Using CDP

        Step 2: Isolate Interface Problems

            Interface Status Codes and Reasons for Nonworking States

            The notconnect State and Cabling Pinouts

            Interface Speed and Duplex Issues

        Step 3: Isolate Filtering and Port Security Problems

        Step 4: Isolate VLAN and Trunking Problems

            Ensuring That the Right Access Interfaces Are in the Right VLANs

            Access VLANs Not Being Defined or Being Active

            Identify Trunks and VLANs Forwarded on Those Trunks

        Example: Troubleshooting the Data Plane

            Step 1: Verify the Accuracy of the Diagram Using CDP

            Step 2: Check for Interface Problems

            Step 3: Check for Port Security Problems

            Step 4: Check for VLAN and VLAN Trunk Problems

    Predicting Normal Operation of the LAN Switching Data Plane

        PC1 Broadcast in VLAN 1

        Forwarding Path: Unicast from R1 to PC1

    Exam Preparation Tasks

    Review All the Key Topics

    Complete the Tables and Lists from Memory

    Part II: IP Routing

    Chapter 4 IP Routing: Static and Connected Routes

    "Do I Know This Already?" Quiz

    Foundation Topics

    IP Routing and Addressing

        IP Routing

        IP Addressing and Subnetting

            IP Forwarding by Matching the Most Specific Route

        DNS, DHCP, ARP, and ICMP

        Fragmentation and MTU

    Routes to Directly Connected Subnets

        Secondary IP Addressing

        Supporting Connected Routes to Subnet Zero

        ISL and 802.1Q Configuration on Routers

    Static Routes

        Configuring Static Routes

        The Extended ping Command

        Static Default Routes

            Default Routes Using the ip route Command

            Default Routes Using the ip default-network Command

        Default Route Summary

        Classful and Classless Routing

            Summary of the Use of the Terms Classless and Classful

            Classless and Classful Routing Compared

    Exam Preparation Tasks

    Review All the Key Topics

    Complete the Tables and Lists from Memory

    Definitions of Key Terms

    Command Reference to Check Your Memory

    Chapter 5 VLSM and Route Summarization

    "Do I Know This Already?" Quiz

    Foundation Topics

    VLSM

        Classless and Classful Routing Protocols

        Overlapping VLSM Subnets

        Designing a Subnetting Scheme Using VLSM

        Adding a New Subnet to an Existing Design

        VLSM Configuration

    Manual Route Summarization

        Route Summarization Concepts

        Route Summarization Strategies

            Sample "Best" Summary on Seville

            Sample "Best" Summary on Yosemite

    Autosummarization and Discontiguous Classful Networks

        An Example of Autosummarization

        Discontiguous Classful Networks

        Autosummarization Support and Configuration

    Exam Preparation Tasks

    Review All the Key Topics

    Complete the Tables and Lists from Memory

    Definitions of Key Terms

    Read Appendix F Scenarios

    Command Reference to Check Your Memory

    Chapter 6 IP Access Control Lists

    "Do I Know This Already?" Quiz

    Foundation Topics

    Standard IP Access Control Lists

        IP Standard ACL Concepts

            Wildcard Masks

            A Quicker Alternative for Interpreting Wildcard Masks

        Standard IP Access List Configuration

            Standard IP ACL: Example 1

            Standard IP ACL: Example 2

    Extended IP Access Control Lists

        Extended IP ACL Concepts

        Matching TCP and UDP Port Numbers

        Extended IP ACL Configuration

            Extended IP Access Lists: Example 1

            Extended IP Access Lists: Example 2

    Advances in Managing ACL Configuration

        Named IP Access Lists

        Editing ACLs Using Sequence Numbers

    Miscellaneous ACL Topics

        Controlling Telnet and SSH Access with ACLs

        ACL Implementation Considerations

        Reflexive Access Lists

        Dynamic ACLs

        Time-Based ACLs

    Exam Preparation Tasks

    Review All the Key Topics

    Complete the Tables and Lists from Memory

    Read the Appendix F Scenarios

    Definitions of Key Terms

    Command Reference to Check Your Memory

    Chapter 7 Troubleshooting IP Routing

    "Do I Know This Already?" Quiz

    Foundation Topics

    The ping and traceroute Commands

        Internet Control Message Protocol (ICMP)

            The ping Command and the ICMP Echo Request and Echo Reply

            The Destination Unreachable ICMP Message

            The Redirect ICMP Message

            The ICMP Time Exceeded Message

        The traceroute Command

    Troubleshooting the Packet Forwarding Process

        Isolating IP Routing Problems Related to Hosts

        Isolating IP Routing Problems Related to Routers

            Troubleshooting Scenario 1: Forward Route Problem

            Troubleshooting Scenario 2: Reverse Route Problem

            An Alternative Problem Isolation Process for Steps 3, 4, and 5

    Troubleshooting Tools and Tips

        Host Routing Tools and Perspectives

            Host Troubleshooting Tips

            LAN Switch IP Support

        show ip route Reference

        Interface Status

        VLSM Issues

            Recognizing When VLSM Is Used

            Configuring Overlapping VLSM Subnets

            Symptoms with Overlapping Subnets

            VLSM Troubleshooting Summary

        Discontiguous Networks and Autosummary

        Access List Troubleshooting Tips

    Exam Preparation Tasks

    Review All the Key Topics

    Complete the Tables and Lists from Memory

    Definitions of Key Terms

    Part III: Routing Protocols Configuration and Troubleshooting

    Chapter 8 Routing Protocol Theory

    "Do I Know This Already?" Quiz

    Foundation Topics

    Dynamic Routing Protocol Overview

        Routing Protocol Functions

        Interior and Exterior Routing Protocols

        Comparing IGPs

        IGP Routing Protocol Algorithms

            Metrics

            IGP Comparisons: Summary

            Administrative Distance

    Distance Vector Routing Protocol Features

        The Concept of a Distance and a Vector

        Distance Vector Operation in a Stable Network

        Distance Vector Loop Prevention

            Route Poisoning

            Problem: Counting to Infinity over a Single Link

            Split Horizon

            Poison Reverse and Triggered Updates

            Problem: Counting to Infinity in a Redundant Network

            The Holddown Process and Holddown Timer

        Distance Vector Summary

    Link-State Routing Protocol Features

        Building the Same LSDB on Every Router

        Applying Dijkstra SPF Math to Find the Best Routes

        Convergence with Link-State Protocols

        Summary and Comparisons to Distance Vector Protocols

    Exam Preparation Tasks

    Review All the Key Topics

    Complete the Tables and Lists from Memory

    Definitions of Key Terms

    Command Reference to Check Your Memory

    Chapter 9 OSPF

    "Do I Know This Already?" Quiz

    Foundation Topics

    OSPF Protocols and Operation

        OSPF Neighbors

            Identifying OSPF Routers with a Router ID

            Meeting Neighbors by Saying Hello

            Potential Problems in Becoming a Neighbor

            Neighbor States

        OSPF Topology Database Exchange

            Overview of the OSPF Database Exchange Process

            Choosing a Designated Router

            Database Exchange

            Maintaining the LSDB While Being Fully Adjacent

            Summary of Neighbor States

        Building the IP Routing Table

        Scaling OSPF Through Hierarchical Design

            OSPF Areas

            OSPF Area Design Advantages

    OSPF Configuration

        OSPF Single-Area Configuration

        OSPF Configuration with Multiple Areas

        Configuring the OSPF Router ID

        OSPF Hello and Dead Timers

        OSPF Metrics (Cost)

        OSPF Authentication

        OSPF Load Balancing

    Exam Preparation Tasks

    Review All the Key Topics

    Complete the Tables and Lists from Memory

    Definitions of Key Terms

    Command Reference to Check Your Memory

    Chapter 10 EIGRP

    "Do I Know This Already?" Quiz

    Foundation Topics

    EIGRP Concepts and Operation

        EIGRP Neighbors

        Exchanging EIGRP Topology Information

        Calculating the Best Routes for the Routing Table

            Feasible Distance and Reported Distance

            Caveats with Bandwidth on Serial Links

        EIGRP Convergence

            EIGRP Successors and Feasible Successors

            The Query and Reply Process

        EIGRP Summary and Comparisons with OSPF

    EIGRP Configuration and Verification

        Basic EIGRP Configuration

        EIGRP Metrics, Successors, and Feasible Successors

            Creating and Viewing a Feasible Successor Route

            Convergence Using the Feasible Successor Route

        EIGRP Authentication

        EIGRP Maximum Paths and Variance

        Tuning the EIGRP Metric Calculation

    Exam Preparation Tasks

    Review All the Key Topics

    Complete the Tables and Lists from Memory

    Definitions of Key Terms

    Command Reference to Check Your Memory

    Chapter 11 Troubleshooting Routing Protocols

    "Do I Know This Already?" Quiz

    Foundation Topics

    Perspectives on Troubleshooting Routing Protocol Problems

    Interfaces Enabled with a Routing Protocol

        EIGRP Interface Troubleshooting Example

        OSPF Interface Troubleshooting Example

    Neighbor Relationships

        EIGRP Neighbor Requirements

        OSPF Neighbor Requirements

            OSPF Neighbor Example 1

            OSPF Neighbor Example 2

            The MTU Matching Requirement

    Exam Preparation Tasks

    Review All the Key Topics

    Complete the Tables and Lists from Memory

    Command Reference to Check Your Memory

    Part IV: Wide-Area Networks

    Chapter 12 Point-to-Point WANs

    "Do I Know This Already?" Quiz

    Foundation Topics

    PPP Concepts

        The PPP Protocol Field

        PPP Link Control Protocol (LCP)

            Looped Link Detection

            Enhanced Error Detection

            PPP Multilink

            PPP Authentication

    PPP Configuration

        Basic PPP Configuration

        CHAP Configuration and Verification

        PAP Configuration

    Troubleshooting Serial Links

        Troubleshooting Layer 1 Problems

        Troubleshooting Layer 2 Problems

            Keepalive Failure

            PAP and CHAP Authentication Failure

        Troubleshooting Layer 3 Problems

    Exam Preparation Tasks

    Review All the Key Topics

    Complete the Tables and Lists from Memory

    Definitions of Key Terms

    Command Reference to Check Your Memory

    Chapter 13 Frame Relay Concepts

    "Do I Know This Already?" Quiz

    Foundation Topics

    Frame Relay Overview

        Frame Relay Standards

        Virtual Circuits

        LMI and Encapsulation Types

    Frame Relay Addressing

        Frame Relay Local Addressing

        Frame Relay Global Addressing

    Network Layer Concerns with Frame Relay

        Frame Relay Layer 3 Addressing: One Subnet Containing All Frame Relay DTEs

        Frame Relay Layer 3 Addressing: One Subnet Per VC

        Frame Relay Layer 3 Addressing: Hybrid Approach

        Layer 3 Broadcast Handling

    Controlling Speed and Discards in the Frame Relay Cloud

        FECN and BECN

        The Discard Eligibility (DE) Bit

    Exam Preparation Tasks

    Review All the Key Topics

    Complete the Tables and Lists from Memory

    Definitions of Key Terms

    Chapter 14 Frame Relay Configuration and Troubleshooting

    "Do I Know This Already?" Quiz

    Foundation Topics

    Frame Relay Configuration and Verification

        Planning a Frame Relay Configuration

        A Fully Meshed Network with One IP Subnet

        Configuring the Encapsulation and LMI

        Frame Relay Address Mapping

            Inverse ARP

            Static Frame Relay Mapping

        A Partially Meshed Network with One IP Subnet Per VC

            Assigning a DLCI to a Particular Subinterface

            Comments About Global and Local Addressing

            Frame Relay Verification

        A Partially Meshed Network with Some Fully Meshed Parts

    Frame Relay Troubleshooting

        A Suggested Frame Relay Troubleshooting Process

        Layer 1 Issues on the Access Link (Step 1)

        Layer 2 Issues on the Access Link (Step 2)

        PVC Problems and Status (Step 3)

            Find the Connected Subnet and Outgoing Interface (Steps 3a and 3b)

            Find the PVCs Assigned to That Interface (Step 3c)

            Determine Which PVC Is Used to Reach a Particular Neighbor (Step 3d)

            PVC Status

            Subinterface Status

        Frame Relay Mapping Issues (Step 4)

        End-to-End Encapsulation (Step 5)

        Mismatched Subnet Numbers (Step 6)

    Exam Preparation Tasks

    Review All the Key Topics

    Complete the Tables and Lists from Memory

    Read the Appendix F Scenarios

    Command Reference to Check Your Memory

    Chapter 15 Virtual Private Networks

    "Do I Know This Already?" Quiz

    Foundation Topics

    VPN Fundamentals

    IPsec VPNs

        IPsec Encryption

        IPsec Key Exchange

        IPsec Authentication and Message Integrity

        The ESP and AH Security Protocols

        IPsec Implementation Considerations

    SSL VPNs

    Exam Preparation Tasks

    Review All the Key Topics

    Complete the Tables and Lists from Memory

    Definitions of Key Terms

    Part V: Scaling the IP Address Space

    Chapter 16 Network Address Translation

    "Do I Know This Already?" Quiz

    Foundation Topics

    Perspectives on IPv4 Address Scalability

        CIDR

            Route Aggregation for Shorter Routing Tables

            IPv4 Address Conservation

        Private Addressing

    Network Address Translation Concepts

        Static NAT

        Dynamic NAT

            Overloading NAT with Port Address Translation (PAT)

            Translating Overlapping Addresses

    NAT Configuration and Troubleshooting

        Static NAT Configuration

        Dynamic NAT Configuration

        NAT Overload (PAT) Configuration

        NAT Troubleshooting

    Exam Preparation Tasks

    Review All the Key Topics

    Complete the Tables and Lists from Memory

    Definitions of Key Terms

    Command Reference to Check Your Memory

    Chapter 17 IP Version 6

    "Do I Know This Already?" Quiz

    Foundation Topics

    Global Unicast Addressing, Routing, and Subnetting

        Global Route Aggregation for Efficient Routing

        Conventions for Representing IPv6 Addresses

        Conventions for Writing IPv6 Prefixes

        Global Unicast Prefix Assignment Example

        Subnetting Global Unicast IPv6 Addresses Inside an Enterprise

        Prefix Terminology

    IPv6 Protocols and Addressing

        DHCP for IPv6

        IPv6 Host Address Assignment

            The IPv6 Interface ID and EUI-64 Format

            Static IPv6 Address Configuration

            Stateless Autoconfiguration and Router Advertisements

            IPv6 Address Configuration Summary

        Discovering the Default Router with NDP

        Learning the IP Address(es) of DNS Servers

        IPv6 Addresses

            Unicast IPv6 Addresses

            Multicast and Other Special IPv6 Addresses

        Summary of IP Protocols and Addressing

    Configuring IPv6 Routing and Routing Protocols

        IPv6 Routing Protocols

        IPv6 Configuration

    IPv6 Transition Options

        IPv4/IPv6 Dual Stacks

        Tunneling

        Translating Between IPv4 and IPv6 with NAT-PT

        Transition Summary

    Exam Preparation Tasks

    Review All the Key Topics

    Complete the Tables and Lists from Memory

    Definitions of Key Terms

    Command Reference to Check Your Memory

    Part VI: Final Preparation

    Chapter 18 Final Preparation

    Tools for Final Preparation

        Exam Engine and Questions on the CD

            Install the Software from the CD

            Activate and Download the Practice Exam

            Activating Other Exams

        The Cisco CCNA Prep Center

        Subnetting Videos, Reference Pages, and Practice Problems

        Scenarios

    Study Plan

        Recall the Facts

        Practice Subnetting

        Build Troubleshooting Skills Using Scenarios

        Use the Exam Engine

            Choosing Study or Simulation Mode

            Choosing the Right Exam Option

    Summary

    Part VII: Appendixes

    Appendix A Answers to the "Do I Know This Already?" Quizzes

    Chapter 1

    Chapter 2

    Chapter 4

    Chapter 5

    Chapter 6

    Chapter 8

    Chapter 9

    Chapter 10

    Chapter 12

    Chapter 13

    Chapter 14

    Chapter 15

    Chapter 16

    Chapter 17

    Appendix B Decimal to Binary Conversion Table

    Appendix C ICND2 Exam Updates: Version 1.0

    Glossary

    Index

    Part VIII: CD-Only

    Appendix D Subnetting Practice

    Appendix E Subnetting Reference Pages

    Appendix F Additional Scenarios

    Appendix G Video Scenario Reference

    Appendix H ICND1 Chapter 12: IP Addressing and Subnetting

    Appendix I ICND1 Chapter 17: WAN Configuration

    Appendix J Memory Tables

    Appendix K Memory Tables Answer Key

    Appendix L ICND2 Open-Ended Questions

     

    1587201828

    Part I Networking Fundamentals 3

     

    Chapter 1 Introduction to Computer Networking Concepts 5

        Perspectives on Networking 5

            The Flintstones Network: The First Computer Network? 8

     

    Chapter 2 The TCP/IP and OSI Networking Models 17

        “Do I Know This Already?” Quiz 18    Foundation Topics 21

            The TCP/IP Protocol Architecture 22

            The TCP/IP Application Layer 23

            The TCP/IP Transport Layer 25

            The TCP/IP Internet Layer 27

            The TCP/IP Network Access Layer 28

            Data Encapsulation Terminology 30

        The OSI Reference Model 32

            Comparing OSI and TCP/IP 32

            OSI Layers and Their Functions 34

            OSI Layering Concepts and Benefits 35

            OSI Encapsulation Terminology 36

        Exam Preparation Tasks 38    Review all the Key Topics 38

            Complete the Tables and Lists from Memory 38

            Definitions of Key Terms 38

            OSI Reference 39

     

    Chapter 3 Fundamentals of LANs 41

        “Do I Know This Already?” Quiz 41    Foundation Topics 45

        An Overview of Modern Ethernet LANs 45

        A Brief History of Ethernet 48

            The Original Ethernet Standards: 10BASE2 and 10BASE5 48

            Repeaters 50

            Building 10BASE-T Networks with Hubs 51

        Ethernet UTP Cabling 52

            UTP Cables and RJ-45 Connectors 52

            Transmitting Data Using Twisted Pairs 54

            UTP Cabling Pinouts for 10BASE-T and 100BASE-TX 55

            1000BASE-T Cabling 58

        Improving Performance by Using Switches Instead of Hubs 58    

            Increasing Available Bandwidth Using Switches 61

            Doubling Performance by Using Full-Duplex Ethernet 62

            Ethernet Layer 1 Summary 63

            Ethernet Data-Link Protocols 63

            Ethernet Addressing 64

            Ethernet Framing 65

            Identifying the Data Inside an Ethernet Frame 67

            Error Detection 68

        Exam Preparation Tasks 69    Review All the Key Topics 69

        Complete the Tables and Lists from Memory 69

        Definitions of Key Terms 69

     

    Chapter 4 Fundamentals of WANs 71

        “Do I Know This Already?” Quiz 71    Foundation Topics 74

        OSI Layer 1 for Point-to-Point WANs 74

            WAN Connections from the Customer Viewpoint 77

            WAN Cabling Standards 78

            Clock Rates, Synchronization, DCE, and DTE 80

            Building a WAN Link in a Lab 81

            Link Speeds Offered by Telcos 82

        OSI Layer 2 for Point-to-Point WANs 83

            HDLC 83

            Point-to-Point Protocol 85

            Point-to-Point WAN Summary 85

        Frame Relay and Packet-Switching Services 86

            The Scaling Benefits of Packet Switching 86

            Frame Relay Basics 87

        Exam Preparation Tasks 91    Review All the Key Topics 91

        Complete the Tables and Lists from Memory 91

        Definitions of Key Terms 91

     

    Chapter 5 Fundamentals of IP Addressing and Routing 93

        “Do I Know This Already?” Quiz 93    Foundation Topics 98

        Overview of Network Layer Functions 98

            Routing (Forwarding) 99

            PC1’s Logic: Sending Data to a Nearby Router 100

            R1 and R2’s Logic: Routing Data Across the Network 100

            R3’s Logic: Delivering Data to the End Destination 100

            Network Layer Interaction with the Data Link Layer 101

            IP Packets and the IP Header 102

            Network Layer (Layer 3) Addressing 103

            Routing Protocols 104

            IP Addressing 105

            IP Addressing Definitions 105

            How IP Addresses Are Grouped 106

            Classes of Networks 107

            The Actual Class A, B, and C Network Numbers 109

            IP Subnetting 110

        IP Routing 114

            Host Routing 114

            Router Forwarding Decisions and the IP Routing Table 115

        IP Routing Protocols 118

        Network Layer Utilities 121

            Address Resolution Protocol and the Domain Name System 121

            DNS Name Resolution 122

            The ARP Process 122

            Address Assignment and DHCP 123

            ICMP Echo and the ping Command 125

        Exam Preparation Tasks 126    Review All the Key Topics 126

        Complete the Tables and Lists from Memory 127

        Definitions of Key Terms 127