CCNA Exam Prep (Exam 640-802), Second Edition / Edition 2

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Overview

The CCNA Exam Prep, Second Edition, is an in-depth training guide for the new CCNA (Cisco Certified Network Associate) certification from Cisco. Published in the popular Exam Prep series, the book incorporates all the topics tested in this newly-revised exam, including new security, VPN, wireless, IPv6, and troubleshooting coverage. The authors emphasize sub-netting concepts because this is historically a difficult roadblock for Cisco certification candidates. This Exam Prep covers all the exam objectives and will give you a thorough understanding of each testable concept in addition to real-world configuration examples for configuring a wide range of Cisco devices. The Prep begins with an objectives quick reference and includes chapter summaries with a list of key terms, exercises, review questions, and an exam on chapter content with detailed answers. Exam Preps include notes, tips, cautions, and exam alerts to help you focus on important issues. If you are preparing for this exam you will find the Exam Prep series to be the complete certification solution for the CCNA exam.
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Product Details

  • ISBN-13: 9780789737137
  • Publisher: Pearson IT Certification
  • Publication date: 1/1/2008
  • Series: Exam Prep Series
  • Edition number: 2
  • Pages: 969
  • Sales rank: 1,466,606
  • Product dimensions: 7.13 (w) x 9.11 (h) x 1.98 (d)

Meet the Author

Jeremy Cioara (CCIE, CCVP, CCSP) works in many facets of the Cisco networking realm. As an author, he has written multiple books for Cisco Press and Exam Cram. As an instructor, he teaches at Interface Technical Training (www.interfacett.com) in Phoenix, Arizona. Likewise, Jeremy has recorded many E-Learning titles at CBTNuggets (www.cbtnuggets.com). Finally, Jeremy is the CIO of AdTEC Networks and works as a network consultant focusing on Cisco network and Voice over IP (VoIP) implementations. What’s more, Jeremy also runs the Cisco Blog (www.ciscoblog.com) in his “free time.” Thankfully, he is married to the Certified Best Wife in the World (CBWW) who helps him manage his time and priorities and prevents him from getting an enormous Cisco-logo tattooed across his chest.

Dave Minutella (CCNP, CCDP, INFOSEC, CISSP, CTP, MCSA, MCDST, Security+, Network+, A+) has been working in the IT and telecom industry for over 14 years. He currently serves as Vice President of Educational Services for Training Camp. Before that, he was the lead Cisco instructor, primarily teaching CCNA, CCDA, and CCNP courses. Dave is also the technical author of CSVPN Exam Cram 2from Que Publishing and is the present Cisco certifications expert for SearchNetworking.com’s Ask the Networking Expert panel.

Heather Stevenson (CCNP) has over 7 years of experience in the IT industry and is currently a senior network engineer at a global manufacturing company. She has written a number of technical training guides and mentored fellow IT professionals throughout her career. When she is not working, Heather still loves spending time with her network of friends and family.

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Table of Contents

Introduction

CHAPTER 1: Standard Internetworking Models

Introduction

What Is an Internetwork?

Types of Internetworks

Local Area Network (LAN)

Metropolitan Area Network (MAN)

Wide Area Network (WAN)

Storage Area Network (SAN)

Virtual Private Network (VPN)

Open Systems Interconnection (OSI) Model

Upper Layers

Application Layer

Presentation Layer

Session Layer

Lower Layers

Transport Layer

Network Layer

Data Link Layer

Physical Layer

OSI Layered Communications

TCP/IP Model

Application Layer

Transport Layer

Internet Layer

Network Interface Layer

Cisco 3-Layer Hierarchical Model

Access Layer

Distribution Layer

Core Layer

Chapter Summary

Key Terms

Apply Your Knowledge

Exercise

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 2: Physical Layer Networking Concepts

Introduction

Network Topologies

The Bus Topology

The Ring Topology

The Star Topology

The Mesh Topology

Cabling

Coaxial Cable

Twisted-Pair Cable

Fiber-Optic Cable

Wireless

Wireless Fidelity (Wi-Fi)

Infrared

Bluetooth

Physical Layer Devices

Repeaters

Hubs

Network Interfaces

Chapter Summary

Key Terms

Apply Your Knowledge

Exercise

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 3: Data Link Networking Concepts

Introduction

Data Link Protocols

Token Ring

FDDI

Ethernet at the Data Link Layer

Physical Ethernet Standards

Ethernet

Fast Ethernet

Gigabit Ethernet

10-Gigabit Ethernet (10GbE)

Long Reach Ethernet

Data Link Layer Devices

Bridges

Switches

Duplex

Microsegmentation

Chapter Summary

Key Terms

Apply Your Knowledge

Exercise

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 4: General Network Security

Introduction

Classes of Attack

Access Attacks

Reconnaissance Attacks

Denial of Service (DoS) Attacks

Mitigating Network Threats

AAA

Cisco ACLs

Cisco IOS Secure Management Features

Encryption Protocols

Security Appliances and Applications

Chapter Summary

Key Terms

Apply Your Knowledge

Exercise

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 5: IP at the Network Layer

Introduction

Network Layer Functions

IP Addressing and Formats

Binary

Hexadecimal

IP Address Classes

Subnet Masks

Private (RFC 1918) Addressing

Subnetting IP

Calculating Hosts in a Subnet

Calculating Networks in a Subnet

The Increment

Determining the Range of Valid IPs

IPv6

IPv6 Communications

IPv6 Address Format

Types of IPv6 Addresses

Autoconfiguration

Integrating IPv4 and IPv6

ICMPv6

Network Layer Devices

Routers

Layer 3 Switches

Chapter Summary

Key Terms

Apply Your Knowledge

Exercises

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 6: Introduction to Cisco Routers and Switches

Introduction

Interfaces and Modules

LAN Interfaces

WAN Interfaces

Cisco Memory Components

ROM

Flash

RAM

NVRAM

Cisco Internetworking Operating System

Feature Sets

IOS Image File Naming

Cisco Router Models and Features

Cisco Switch Models and Features

Chapter Summary

Key Terms

Apply Your Knowledge

Exercise

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 7: Foundation Cisco IOS Operations

Introduction

Terminal Options

Console Port

Auxiliary Port

Telnet

HTTP and HTTPS

SSH

Router/Switch Startup Procedures

POST

Bootstrap

IOS Loading

Configuration Loading

Navigating the IOS

User EXEC

Privileged EXEC

Global Configuration

Context-Sensitive Help

Abbreviations

Shortcut Keys

Common Syntax Errors

Chapter Summary

Key Terms

Apply Your Knowledge

Exercise

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 8: Foundation Cisco Configurations

Introduction

Global Configuration

Altering the Boot Sequence

Changing the Hostname

Creating a Login Banner

Assigning a Password for Privileged EXEC Mode

Domain Name–Specific Commands

Enabling SSH

Line Configurations

Securing Console Access to User EXEC

Securing Auxiliary Access to User EXEC

Securing Telnet and SSH Access to User EXEC

Router Interface Configurations

Assigning an IP Address

Enabling the Interface

LAN-Specific Commands

WAN-Specific Commands

Saving Configurations

Using the show Command to Get Information

Verifying Your Configurations

Viewing Interface Statuses and Statistics

IOS File Version show Commands

Troubleshooting Commands

Backing Up and Restoring Configurations and IOS Using TFTP

Neighbor Discovery with CDP

Using Telnet for Virtual Terminal Access

Terminal Monitor

IOS DHCP

Chapter Summary

Key Terms

Apply Your Knowledge

Exercise

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 9: Understanding the Cisco SDM

Introduction

Getting Started

Global Configurations

Changing the Hostname, Banner, Domain Name, and Secret Password

Router Access

DNS

DHCP

Router Interface Configurations

Assigning an IP Address

Enabling the Interface

Saving and Verifying Your Configurations

Monitoring

Chapter Summary

Key Terms

Apply Your Knowledge

Exercise

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 10: Introduction to Routing and Routing Protocols

Introduction

The Default Gateway

Verifying and Troubleshooting the Default Gateway

Routing Sources

Administrative Distance

Static Routes

Configuring Static Routes

Floating Static Routes

Default Routes

Configuring Static and Default Routes with SDM

Verifying Static and Default Routes

Dynamic Routing Protocols

Routing Metrics

Classful and Classless Routing Updates

VLSM

Interior and Exterior Gateway Routing Protocols

Distance Vector Routing Protocols

Link-State Routing Protocols

Advanced Distance Vector/Hybrid Routing Protocols

The Routing Table Revisited

Routing Redistribution

Chapter Summary

Key Terms

Apply Your Knowledge

Exercises

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 11: Distance Vector Routing Protocols

Introduction

Distance Vector Operations

Routing Loops

Routing Loop Mitigation

Counting to Infinity

Split Horizon

Route Poison, Poison Reverse, and Hold-Down Timers

Triggered Updates

Invalid/Dead Timers

RIP

RIP Characteristics

RIP Configuration

Passive Interfaces

RIPv2 Characteristics

RIPv2 Configuration

RIPv2 Update Authentication

Configuring RIP with SDM

RIP Verification

Troubleshooting RIP

Chapter Summary

Key Terms

Apply Your Knowledge

Exercises

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 12: Link-State and Hybrid Routing Protocols

Introduction

Link-State Operations

OSPF

OSPF Characteristics

OSPF Initialization

Introduction to Configuring OSPF

OSPF Network Configuration

Additional OSPF Commands

Configuring OSPF with SDM

Verifying OSPF

Troubleshooting OSPF

Balanced Hybrid Operations

EIGRP

EIGRP Characteristics

EIGRP Stub Routing

EIGRP Configuration

EIGRP Verification

EIGRP Troubleshooting

Chapter Summary

Key Terms

Apply Your Knowledge

Exercises

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 13: Foundation Switching Operations

Introduction

Switching Functionality

Frame Transmission Methods

Store-and-Forward

Cut-Through

Fragment-Free

Half- and Full-Duplex Connections

Switching Design

Spanning Tree Protocol

Root Bridge

Root Ports

Designated Ports

Blocked Ports

Port State Transitions

Initial Switch Configurations

Assigning a Management IP Address to a Switch

Defining a Default Gateway

IP Assignment Using DHCP

Configuring Multiple Switch Interfaces

Configuring and Verifying Spanning Tree Protocol

Changing Priority and Port Cost

Verifying Spanning Tree Protocol

Troubleshooting Basic Switch Connectivity

Chapter Summary

Key Terms

Apply Your Knowledge

Exercises

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 14: Enhanced Switching Operations

Introduction

Cisco Enhancements to Spanning Tree Protocol

PortFast and BPDU Guard

UplinkFast

BackboneFast

Configuring Cisco STP Enhancements

EtherChannel

Rapid Spanning Tree Protocol

Spanning Tree Similarities

RSTP Port States and Roles

RSTP Link and Edge Types

BPDUs and Topology Changes

Rapid Transition

Chapter Summary

Key Terms

Apply Your Knowledge

Exercises

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 15: Virtual LANs

Introduction

Overview of VLANs

VLAN Membership Methods

The Management VLAN

Configuring and Verifying VLANs

VLAN Trunking

ISL Trunks

802.1q Trunks

Configuring and Verifying ISL and 802.1Q Trunks

VLAN Trunking Protocol

VTP Modes

VTP Pruning

Configuring and Verifying VTP

InterVLAN Routing

Router on a Stick

Switched Virtual Interfaces

Voice VLANs

Troubleshooting VLAN

Chapter Summary

Key Terms

Apply Your Knowledge

Exercises

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 16: Implementing Switch Security

Introduction

Securing Physical Access to the Catalyst Switch

Securing Terminal Access to the Catalyst Switch

To Telnet or Not to Telnet

Additional IOS Security Practices

Layer 2 Security

Port Security

VLAN Security

VTP Passwords

“See”DP

Chapter Summary

Key Terms

Apply Your Knowledge

Exercises

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 17: Understanding Wireless Networking

Introduction

The Business Case

The Players in the 802.11 Market

Entering the Radio Frequency World

Understanding Wireless Transmission

Unlicensed RF Bands

The Key to Successful Wireless: Channel Surfing

The 802.11 Standards Family

Party Like It’s 1999: 802.11a and 802.11b

2003 Delivers: 802.11g

The Next Generation: 802.11n

Chapter Summary

Key Terms

Apply Your Knowledge

Exercise

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 18: Wireless Security and Implementation Considerations

Introduction

Understanding the Threats

War Driving

Direct Hacking

Employee Ignorance

Deploying a Secure Wireless Network

Wireless Encryption

Wireless Authentication (802.1x)

Wireless Intrusion Prevention System (IPS)

Wireless Implementation Guidelines

Understanding Wireless Topologies

Understanding Wireless Data Rates

General Wireless Implementation Steps

Wireless Troubleshooting

Chapter Summary

Key Terms

Apply Your Knowledge

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 19: Using Cisco Access Lists

Introduction

Access List Concepts

Functions of an Access List

Packet Filtering

Quality of Service

Dial-on-Demand Routing

Network Address Translation

Route Filtering

Standard Access Lists

Configuration of Standard Access Lists

Placement of Standard Access Lists

Standard Access List Examples

Extended Access Lists

Configuration of Extended Access Lists

Practical Extended Access List Examples

Named Access List

Verifying Access Lists

show running-config

show ip interface

show ip access-lists

Chapter Summary

Key Terms

Apply Your Knowledge

Exercises

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Reading and Resources

CHAPTER 20: Enabling Internet Connectivity with NAT

Introduction

NAT Concepts

Static NAT

Dynamic NAT

NAT Overload and Port Address Translation

NAT Terminology

Configuring NAT Using Cisco SDM

Configuring NAT Overload

Verifying NAT Configuration

Troubleshooting NAT

Chapter Summary

Key Terms

Apply Your Knowledge

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Reading and Resources

CHAPTER 21: Command-Line NAT Implementation

Introduction

Reviewing NAT Concepts

NAT Configurations

Static NAT

Dynamic Pool Translations

NAT Overload

Verifying NAT Operation

Troubleshooting NAT Operation

Chapter Summary

Key Terms

Apply Your Knowledge

Exercise

Exam Questions

Answers to Exam Questions

Suggested Readings and Resources

CHAPTER 22: Wide Area Network Connections

Introduction

WAN Connection Types

Leased Lines

Circuit-Switched Networks

Packet-Switched Networks

Broadband

Virtual Private Networks (VPNs)

Metropolitan Ethernet (Metro Ethernet)

The WAN Physical Layer

WAN Data Link Encapsulations

Serial Line Internet Protocol (SLIP)

Point-to-Point Protocol (PPP)

Cisco High-Level Data Link Control (HDLC)

X.25 Link Access Procedure, Balanced (LAPB)

Frame Relay

Asynchronous Transfer Mode (ATM)

PPP over Ethernet (PPPoE) and PPP over ATM (PPPoA)

Cisco HDLC

PPP

Sub-Layer 1: ISO HDLC

Sub-Layer 2: Link Control Protocol (LCP)

Sub-Layer 3: Network Control Protocol

Configuring PPP

Authentication

Compression

Verifying PPP

Troubleshooting PPP

Chapter Summary

Key Terms

Apply Your Knowledge

Exercises

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Reading and Resources

CHAPTER 23: Frame Relay

Introduction

Frame Relay Overview

Virtual Circuits

Hub and Spoke Design

Partial Mesh Design

Full Mesh Design

Frame Relay Terminology

Permanent Virtual Circuit

Switched Virtual Circuit

Local Management Interface

Data Link Connection Identifier

Local Access Rate

Committed Information Rate

Backwards Explicit Congestion Notification

Forward Explicit Congestion Notification

Discard Eligible

The Nature of NBMA Networks

Subinterfaces

Multipoint Subinterfaces

Point-to-Point Subinterfaces

Address Mapping in Frame Relay

Inverse ARP

Static Mappings

Configuring Frame Relay

Configuring Frame Relay for a Single Neighbor

Configuring Frame Relay That Uses a Multipoint Interface

Configuring Frame Relay That Uses Point-to-Point Interfaces

Verifying Frame Relay

show frame-relay lmi

show frame-relay pvc

show frame-relay map

Troubleshooting Frame Relay

Chapter Summary

Key Terms

Apply Your Knowledge

Exercises

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Reading and Resources

CHAPTER 24: Understanding VPN Connectivity

Introduction

Understanding VPN Connectivity

VPN Benefits and Considerations

Types of VPNs

The Pieces That Make a VPN Tick

Understanding IPsec

Encryption

Diffie-Hellman

Secure Socket Layer (SSL)

Authentication/Data Integrity

IPsec Protocols

Chapter Summary

Key Terms

Apply Your Knowledge

Review Questions

Exam Questions

Answers to Review Questions

Answers to Exam Questions

Suggested Readings and Resources

Fast Facts

OSI Model in Review

Application Protocols Supported by the Application Layer

Network Domains

Cabling, Lines, and Services

MAC Addressing

Framing and Duplex Types

WAN Interfaces

Memory Types

IOS File Naming Conventions

Utilities Using ICMP

Network Security

Access Attacks

Reconnaissance Attacks

Denial of Service (DoS) Attacks

Mitigating Network Threats

IP Addressing

Classless Addressing

Private Ranges

Subnetting

IPv6

Types of IPv6 Addresses

Integrating IPv4 and IPv6

Layer 3 Functions

IOS Terminal Access Methodologies

IOS Boot Processes

IOS Navigation

Context-Sensitive Help

Terminal Editing Keys

Syntax Errors

Global Configuration Commands

Securing the IOS

SSH

Interface Configuration Commands

Switch Commands

The copy Command

The show Command

Interface Status

Cisco Discovery Protocol

Telnet

DHCP

Switches

Duplex Connections

Spanning Tree Protocol IEEE 802.1d

Rapid Spanning Tree Protocol

RSTP Convergence

Virtual LANs (VLANs)

VLAN Configuration

Voice VLANs

Trunks

Trunk Configuration

VLAN Trunking Protocol

VTP Configuration

InterVLAN Routing

Port Security

Routing Characteristics

Routing Sources

Static and Default Routes

Dynamic Routing Protocols

Routing Metrics

Interior and Exterior Gateway Routing Protocols

Classful and Classless Routing Updates

Routing Protocol Classes

Redistribution

Distance Vector Routing Loop Mitigation

RIP and RIPv2

RIP Configuration

Verifying and Troubleshooting RIP

OSPF Characteristics

OSPF Configuration

Verifying and Troubleshooting OSPF

EIGRP Characteristics

EIGRP Configuration

Verifying and Troubleshooting EIGRP

Passive Interfaces

Wireless Networking

Wireless Security and Implementation

Cisco Access Lists

TCP Ports

UDP Ports

Network Address Translation (NAT)

Wide-Area Networks

Frame Relay

VPN Connectivity

Practice Exam

Answers to Practice Exam

APPENDIX: What’s on the CD-ROM

Glossary

0789737132 TOC 11/21/2007

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