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• By Cisco Systems, Inc., Cisco Networking Academy Program
• Published Jun 25, 2003 by Cisco Press. Part of the Companion Guide series.

Premium Website

• Sorry, this book is no longer in print.

Packet Tracer 3.2 is now available with Cisco Press books. Click 'Features' in the 'More Information' box to learn more.

Features

• Maps to Web-based Curriculum—All print products map to the current version of the Web-based curriculum.

  • Provides instructors with a print companion that matches the online learning.

• Integrated Learning—Increased integration of all Networking Academy print products.

  • Provides more effective learning across print resources.

• Expanded CD-ROM—Includes a CD-ROM that has been expanded to include interactive e-Lab activities not found within the Web-based curriculum, over 300 unique CCNA preparation questions, 15 PhotoZooms to show high-resolution photographs of Cisco equipment, and 20 instructional videos that cover more difficult topics.

  • Reinforces book topics.

• Cisco-approved Study Materials for the Networking Academies Courses—Cisco Press is the only publisher endorsed and recommended by Cisco Systems.

  • Provides the instructor and the student with the confidence that the same individuals who developed the Web-based curriculum have reviewed and recommended the test from Cisco Press.

• Written by an Instructor and Developer of the Online Curriculum—The CCNA 3 and 4 Companion Guide, Third Edition, is developed by the same professionals who create the online curriculum at Cisco Systems. In addition, Academic Business Consultants, Inc. is co-developing this title. ABC is a multimedia curriculum development company located in Scottsdale, AZ. They are strong in instructional writing and readability levels.

• Strong Textbook Pedagogy and Learning Aids—Chapter objectives provide references to the concepts covered in the chapter. Hands-on projects prepare the student for real-world situations. The review questions at the end of each chapter help track the students progress and focus their study. Case studies and labs to prepare students and CCNA candidates for the CCNA Exam.

  • Prepares students for real-world situations, help them track their progress and focus their study, and prepare them for the practical portion of the CCNA Exam.

• Copyright 2004
• Edition: 3rd

• Premium Website
• ISBN-10: 1-58713-113-7
• ISBN-13: 978-1-58713-113-4

The only authorized textbook for the Cisco Networking Academy Program

The CCNA 3 and 4 Companion Guide contains the information from the online curriculum with additional in-depth content to enhance your understanding of some topics plus supplemental aids to assist in studying:

• Begins with a review chapter on the OSI Reference Model and routing
• Chapter Objectives and Summaries provide references to the concepts covered for focused study on key topics
• Extensive Glossary lists all the key terms and definitions in one place
• Throughout this book, you see references to the lab activities found in the course and the Cisco Networking Academy Program CCNA 3 and 4 Lab Companion, Third Edition. These labs allow you to make a connection between theory and practice.
• Plus seven bonus chapters on advanced material and key certification exam reviews

Cisco Networking Academy Program CCNA 3 and 4 Companion Guide, Third Edition, is the Cisco approved textbook that supplements version 3.x of the CCNA 3 and 4 online curriculum of the Cisco Networking Academy Program. The topics covered in this course and Companion Guide provide you with the necessary knowledge to further prepare for CCNA certification and to enter the field of network administration. CCNA 3 and 4 introduce you to the design, configuration, and maintenance of:

• Switches and intermediate routing
• Local-area networks (LANs)
• Virtual local-area networks (VLANs)
• Wide-area networks (WANs)
• Internetwork Package Exchange (IPX) routing
• Enhanced Interior Gateway Protocol (EIGRP)
• Network troubleshooting
• Integrated Services Data Network (ISDN)
• Point-to-Point Protocol (PPP)
• Frame Relay

Use this Companion Guide as a portable desk reference to access this information for reference, study, and review at any time.

Cisco Press is a collaboration between Cisco Systems, Inc., and Pearson Education that is charged with developing high-quality, cutting-edge educational and reference products for the networking industry. The products in the Cisco Networking Academy Program series are designed to prepare students for careers in the exciting networking field. These products have proven to be strong supplements to the web-based curriculum and are the only print companions that have been reviewed and endorsed by Cisco Systems for Cisco Networking Academy Program use.

Companion CD-ROM
The CD-ROM contains 25 e-Lab Activities, 500 Practice Exam questions in an interactive Test Engine, 10 hi-res PhotoZooms Activities, and 25 Video Demonstrations to reinforce topics and enhance your overall learning experience.

This book is part of the Cisco Networking Academy Program series from Cisco Press. The products in this series support and complement the Cisco Networking Academy.

Table of Contents

1. Review: The OSI Reference Model and Routing.

Peer-to-Peer Communication.

Physical Layer.

Data Link Layer.

Network Layer.

Path Determination.

ICMP.

Routing.

IP Routing Configuration Tasks.

Segmenting Upper-Layer Applications.

Data Transfer.

Acknowledgment Techniques.

Key Terms.

II. CCNA 3: SWITCHING BASICS AND INTERMEDIATE ROUTING.

CIDR Overview.

Route Aggregation and Supernetting.

Variable-Length Subnet Masking (VLSM).

Calculating VLSMs.

VLSM Using RIP and IGRP.

Summarization Within an Octet.

Route Flapping.

Short History of RIP.

Comparing RIPv1 and RIPv2.

Verifying RIP V2.

Default Routes.

Key Terms.

3. Single-Area OSPF.

OSPF Overview.

OSPF States.

Shortest Path First Algorithm.

OSPF Hello Protocol.

Establishing a Router Adjacency.

Discovering Routes.

Maintaining Route Information.

Configuring a Loopback Address.

Modifying OSPF Cost Metric.

Configuring OSPF Timers.

Full-Mesh Frame Relay.

Point-to-Multipoint OSPF.

Common OSPF Configuration Issues.

Summary.

Check Your Understanding.

EIGRP Overview.

EIGRP Benefits.

EIGRP Terminology.

Topology Table.

Feasible Successor.

Stuck in Active Routes.

Route Tagging.

Neighbor Discovery and Recovery.

DUAL Finite-State Machine.

EIGRP Packet Types.

Acknowledgment Packets.

Query and Reply Packets.

Configuring EIGRP.

Configuring Bandwidth with NBMA.

Configuring Bandwidth over a Hybrid Multipoint Network.

Configuring EIGRP Summarization.

Key Terms.

5. Switching Concepts and LAN Design.

Ethernet/802.3 LAN Development.

Elements of Ethernet/802.3 Networks.

Full-Duplex Ethernet Networks.

LAN Segmentation.

LAN Segmentation with Routers.

The Basic Operations of a Switch.

Layer 2 and Layer 3 Switching.

Symmetric and Asymmetric Switching.

LAN Design.

LAN Design Considerations.

Segmentation Issues.

LAN Design Methodology.

Designing the Physical Network Topology.

Layer 2 Design.

Basic Layer 2 Bridging and Switching.

Filtering Types.

Key Terms.

6. Switches.

Starting the Switch.

Switch LED Indicators.

Viewing Initial Bootup Output from the Switch.

LAN Switches and Hierarchical Network Design.

The Distribution Layer.

Switched LANs, Access Layer Overview.

Distribution Layer Overview.

Core Layer Overview.

Summary.

Check Your Understanding.

Microsegmentation.

How a Switch Learns Addresses.

Store-and-Forward.

Symmetric Switching.

Memory Buffering.

Switches and Broadcast Domains.

PC to Switch Transmission.

Verifying the Initial Configuration of a Catalyst Switch.

Switch Port Properties.

The Flash Directory.

Benefits of Using the Default Configuration.

Resetting the Switch Defaults.

Assigning the Switch IP Address and Default Gateway.

Web-Based Interface.

Configuring Static MAC Addresses.

Executing Adds, Moves, and Changes.

1900/2950 Password Recovery.

Summary.

Check Your Understanding.

Redundant Topology Overview.

Redundant Topologies.

Broadcast Storms.

MAC Database Instability.

Spanning-Tree Operation.

Advanced Functions of STP.

Stages of Spanning-Tree Port States.

Path Cost.

Spanning-Tree Recalculation.

RSTP.

Transition to Forwarding.

Key Terms.

9. Virtual LANs.

Broadcast Domains with VLANs and Routers.

End-to-End VLANs.

Benefits of VLANs.

VLANs and Security.

VLAN Types.

IEEE 802.1Q: Frame Tagging.

FDDI 802.10.

VLAN Configuration.

Verifying VLAN Configuration.

Deleting a VLAN Configuration.

Summary.

Check Your Understanding.

Trunking.

Trunking Operation.

Switch Command-Line Interfaces.

VLAN Trunking Protocol (VTP).

VTP Concepts.

VTP Domain.

VTP Implementation.

VTP Pruning.

Inter-VLAN Issues and Solutions.

Finding the Route Between VLANs.

Dividing Physical Interfaces into Subinterfaces.

Summary.

Check Your Understanding.

11. Scaling IP Addresses.

NAT and PAT.

Configuring NAT and PAT.

Troubleshooting NAT and PAT Configuration.

DHCP Overview.

BOOTP and DHCP Differences.

DHCP Operation.

Verifying DHCP Operation.

DHCP Relay.

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Key Terms.

12. WAN Technologies.

WAN Devices.

WAN Encapsulation.

Circuit-Switched Connections.

Packet and Circuit Switching.

Analog Dialup.

Leased Line.

Frame Relay.

DSL.

WAN Communication.

Identifying and Selecting Network Capabilities.

The Hierarchical Network Design Model.

Three-Layer Model Components.

Server Placement.

Steps in Designing a WAN.

Analyzing Requirements.

WAN Topology.

Other WAN Design Considerations.

Key Terms.

13. Point-to-Point Protocol.

Establishing a PPP Session.

Password Authentication Protocol.

PPP Encapsulation and Authentication Process.

Time-Division Multiplexing.

DTE and Data Communications Equipment Devices.

Configuring HDLC Encapsulation.

Configuring PPP.

Configuring PPP Authentication.

Troubleshooting the Serial PPP Encapsulation Configuration.

Key Terms.

14. ISDN and DDR.

ISDN Overview.

ISDN 3-Layer Model and Protocols.

ISDN Functions and Reference Points.

ISDN Switch Types.

Configuring ISDN BRI.

Verifying the ISDN Configuration.

DDR Routing.

Legacy DDR.

Specifying Interesting Traffic for DDR.

Dialer Profiles.

Verifying the DDR Configuration.

Key Terms.

15. Frame Relay.

Frame Relay Terminology.

Frame Relay LMI.

LMI Extensions.

Multicasting.

Stages of Inverse ARP and LMI Operation.

Frame Relay Switching Tables.

Frame Relay Subinterfaces.

Resolving Reachabilty Issues with Subinterfaces.

Configuring the Serial Interface.

Verifying Operation and Confirming Connectivity.

Confirming the Frame Relay Maps.

Configuring Subinterfaces.

Summary.

Check Your Understanding.

Overview of Desktop and Server Operating Systems.

Servers.

NOSs.

UNIX and Linux.

Concept of Service on Servers.

FTP and File Transfer.

DNS.

Network Management.

Standards: SNMP and CMIP.

Structure of Management Information and MIBs.

Configuring SNMP.

Syslog.

Key Terms.

IV. CCNA BONUS MATERIAL.

Basics of Optical Networks.

Fiber-Optic Systems.

Light.

Fiber Types.

Attenuation.

Optical Amplifiers.

SONET Technology.

DWDM Systems.

Key Terms.

18. Network Management.

Main Distribution Frame (MDF) and Intermediate Distribution Frame (IDF) Layouts.

Software Listings.

Security Measures.

Network Security.

Backup Operations.

Environmental Factors.

EMI and RFI.

Network Performance.

Client/Server Network.

The Administrative Side of Network Management.

Costs of a Network.

Monitoring the Network.

Traffic Monitoring.

Remote Monitoring.

The Troubleshooting Process.

Software Tools.

Key Terms.

Basic Networking Topologies.

Bus Topology.

Ring Topology.

Segments and Backbones.

Backbones.

Microsoft Windows 2000 Server.

Novell NetWare.

Linux.

Windows Directory Services.

Active Directory and Domain Name System.

Active Directory Replication.

Active Directory Compatibility.

UNIX Directory Services.

IP.

NetBIOS Extended User Interface.

RAID 0.

RAID 2.

RAID 4.

RAID 0/1.

Duplexing.

Volumes.

Application Layer.

Session Layer.

Network Layer.

Physical Layer.

Coaxial Cable.

Category 5 UTP and Shielded Twisted-Pair Cable.

Unshielded Twisted-Pair Cable.

Baseband Signal.

10BASE-5.

100BASE-T.

100BaseVG-AnyLAN.

Full- and Half-Duplex Operation.

Servers, Workstations, and Hosts.

Cables, Network Interface Cards, and Routers.

Gateways.

Hubs.

Switching Hubs.

Transceivers.

802.2 Logical Link Control.

802.5 Token Ring.

The Function and Characteristics of MAC Addresses.

Router.

The Difference Between Routable and Nonroutable Protocols.

The Reason for Employing Unique Network IDs.

The Transport Layer.

TCP/IP Fundamentals.

DHCP, DNS, WINS, and Host Files.

Windows Internet Naming Service (WINS).

TCP.

Internet Domain Name System.

Port Numbers.

Workstation Configuration.

Default Gateways and Subnet Masks.

Internet Domain Name.

Using Telnet to Test, Validate, and Troubleshoot IP Connectivity.

Using tracert to Test, Validate, and Troubleshoot IP Connectivity.

Using ipconfig/winipconfig to Test, Validate, and Troubleshoot IP Connectivity.

Using Packet InterNet Groper to Test, Validate, and Troubleshoot IP Connectivity.

The Purpose and Function of PPTP.

Modem Configuration for Dial-Up Networking to Function.

Security.

Data Encryption.

Administrative Considerations.

Common Peripheral Ports.

Print Servers.

Uninterruptible Power Supply.

Maintaining and Supporting the Network.

The Need for Periodic Application of Software Patches and Other Fixes to the Network.

The Need to Frequently Update Virus Signatures.

Determine Whether a Problem Is Attributable to the Operator or the System.

Given a Network Problem Scenario, Determine the Problem.

Key Terms.

OSI Model.

Presentation Layer.

Transport Layer.

Data Link Layer.

Bridging/Switching.

Distinguishing Between Cut-Through and Store-and-Forward LAN Switching.

Routed Protocols.

Subnetting.

Routing Protocols.

Enabling RIP and IGRP on a Router.

Comparing and Contrasting the Key Operations That Distinguish Distance Vector, Link-State, and Hybrid Protocols.

Key Frame Relay Terms and Features.

Configuring ISDN BRI and Legacy Dial-on-Demand Routing (DDR).

How to Load a Software Image Backup.

Managing IOS Images with TFTP.

ICMP Message Delivery.

Unreachable Networks.

Access Lists.

Reasons to Create ACLs.

Initial Router Boot-Up Output.

Logging In to the Router.

IOS Editing Commands.

Troubleshooting Command Errors.

Operation of the Cisco IOS.

The show version Command.

Cisco IOS Troubleshooting.

Key Terms.

Traditional Networks.

Voice over Frame Relay.

Voice over IP.

Voice, Video, and Data Networks.

Converged Networking Applications.

Delay.

Lost Packets.

Cisco IOS Software QoS Technology.

Key Terms.

Network Security Design.

Analyzing Security Requirements and Trade-Offs.

Defining a Security Policy.

Developing Security Procedures.

Authentication.

Accounting (Auditing).

Packet Filters.

Intrusion Detection.

Selecting Security Solutions.

Securing Internet Domain Name System Services.

IP Security Protocol.

Securing Network Services.

Summary.

23. Virtual Private Networks.

VPN Advantages.

Service-Level Agreements.

VPNs of Network A Sites.

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Security Policy.

Tunneling Overview.

Cisco L2TP Implementation.

Highlights of Virtual Dial-Up Service.

Authorization.

Accounting.

Key Terms.

Appendix A: Glossary of Key Terms.

appendix c: module—chapter—lab guide.

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