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CCNA ICND2 Official Exam Certification Guide (CCNA Exams 640-816 and 640-802), Second Edition

Book Description

CCNA ICND2 Official Exam Certification Guide

Second Edition

  • Master ICND2 640-816 and CCNA 640-802 exam topics with the official study guide

  • Assess your knowledge with chapter-opening quizzes

  • Review key concepts with Exam Preparation Tasks

  • Practice with hundreds of exam questions on the CD-ROM

Wendell Odom, CCIE® No. 1624

CCNA ICND2 Official Exam Certification Guide, Second Edition, is a best of breed Cisco® exam study guide that focuses specifically on the objectives for the CCNA® ICND2 exam. This fully updated edition presents complete reviews and a more challenging and realistic exam preparation experience.

Senior instructor and best-selling author Wendell Odom shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills. The material is presented in a concise manner, focused on increasing your understanding of exam topics and preparing you for the numerous challenges the exams present.

CCNA ICND2 Official Exam Certification Guide, Second 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 you drill on key concepts you must know thoroughly and help increase your speed in answering questions, a difficult hurdle many exam candidates face on the new exams. A Final Preparation chapter guides 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-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 chapter-by-chapter basis, presenting question-by-question remediation to the text. The bonus DVD contains more than 60 minutes of personal video mentoring from the author focused mainly on bringing difficult subnetting concepts to life.

Well-regarded for its level of detail, assessment features, and challenging practice questions, this book 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 ICND2 Official Exam Certification Guide, Second 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 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.

The official study guide helps you master all the topics on the CCNA ICND2 exam, including

  • Virtual LANs and Spanning Tree Protocol

  • Static and connected routes

  • VLSM and route summarization

  • IP access control lists

  • OSPF and EIGRP configuration

  • Point-to-point WANs

  • Frame Relay

  • VPNs

  • Network address translation

  • IPv6

  • Troubleshooting

Companion CD-ROM

The CD-ROM contains an electronic copy of the book and 200 practice questions for the ICND2 and full CCNA exams, including simulation and testlet questions, all available in study mode and test mode.

BONUS DVD

The DVD contains more than 60 minutes of personal instruction from the author!

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.

Category: Cisco Press—Cisco Certification

Covers: CCNA ICND2 Exam 640-816

Table of Contents

  1. Copyright
    1. Dedications
  2. About the Author
  3. About the Technical Reviewers
  4. Acknowledgments
  5. Icons Used in This Book
  6. Command Syntax Conventions
  7. Foreword
  8. Introduction
    1. Format of the CCNA Exams
    2. What’s on the CCNA Exam(s)?
      1. ICND1 Exam Topics
      2. ICND2 Exam Topics
      3. CCNA Exam Topics
      4. ICND1 and ICND2 Course Outlines
    3. About the CCENT/CCNA ICND1 Official Exam Certification Guide and CCNA ICND2 Official Exam Certification Guide
      1. Objectives and Methods
      2. Book Features
      3. How This Book Is Organized
    4. How to Use This Book to Prepare for the ICND2 (640-816) Exam
    5. How to Use These Books to Prepare for the CCNA 640-802 Exam
    6. For More Information
  9. I. LAN Switching
    1. 1. Virtual LANs
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. Virtual LAN Concepts
        1. Trunking with ISL and 802.1Q
          1. ISL
          2. IEEE 802.1Q
          3. ISL and 802.1Q Compared
        2. IP Subnets and VLANs
        3. VLAN Trunking Protocol (VTP)
          1. Normal VTP Operation Using VTP Server and Client Modes
          2. Three Requirements for VTP to Work Between Two Switches
          3. Avoiding VTP by Using VTP Transparent Mode
          4. Storing VLAN Configuration
          5. VTP Versions
          6. VTP Pruning
          7. Summary of VTP Features
      4. VLAN and VLAN Trunking Configuration and Verification
        1. Creating VLANs and Assigning Access VLANs to an Interface
          1. VLAN Configuration Example 1: Full VLAN Configuration
          2. VLAN Configuration Example 2: Shorter VLAN Configuration
        2. VLAN Trunking Configuration
          1. Controlling Which VLANs Can Be Supported on a Trunk
          2. Trunking to Cisco IP Phones
        3. Securing VLANs and Trunking
      5. VTP Configuration and Verification
        1. Using VTP: Configuring Servers and Clients
        2. Caveats When Moving Away from Default VTP Configuration
        3. Avoiding VTP: Configuring Transparent Mode
        4. Troubleshooting VTP
          1. Determining Why VTP Is Not Currently Working
          2. Problems When Connecting New Switches and Bringing Up Trunks
          3. Avoiding VTP Problems Through Best Practices
      6. Exam Preparation Tasks
      7. Review All the Key Topics
      8. Complete the Tables and Lists from Memory
      9. Definitions of Key Terms
      10. Command Reference to Check Your Memory
    2. 2. Spanning Tree Protocol
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. Spanning Tree Protocol (IEEE 802.1d)
        1. The Need for Spanning Tree
        2. What IEEE 802.1d Spanning Tree Does
        3. How Spanning Tree Works
          1. The STP Bridge ID and Hello BPDU
          2. Electing the Root Switch
          3. Choosing Each Switch’s Root Port
          4. Choosing the Designated Port on Each LAN Segment
          5. Reacting to Changes in the Network
        4. Optional STP Features
          1. EtherChannel
          2. PortFast
          3. STP Security
      4. Rapid STP (IEEE 802.1w)
        1. RSTP Link and Edge Types
        2. RSTP Port States
        3. RSTP Port Roles
        4. RSTP Convergence
          1. Edge-Type Behavior and PortFast
          2. Link-Type Shared
          3. Link-Type Point-to-Point
          4. An Example of Speedy RSTP Convergence
      5. STP Configuration and Verification
        1. Multiple Instances of STP
        2. Configuration Options That Influence the Spanning Tree Topology
          1. The Bridge ID and System ID Extension
          2. Per-VLAN Port Costs
          3. STP Configuration Option Summary
        3. Verifying Default STP Operation
        4. Configuring STP Port Costs and Switch Priority
        5. Configuring PortFast and BPDU Guard
        6. Configuring EtherChannel
        7. Configuring RSTP
      6. STP Troubleshooting
        1. Determining the Root Switch
        2. Determining the Root Port on Nonroot Switches
        3. Determining the Designated Port on Each LAN Segment
        4. STP Convergence
      7. Exam Preparation Tasks
      8. Review All the Key Topics
      9. Complete the Tables and Lists from Memory
      10. Definitions of Key Terms
      11. Command Reference to Check Your Memory
    3. 3. Troubleshooting LAN Switching
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. Generalized Troubleshooting Methodologies
        1. Analyzing and Predicting Normal Network Operation
          1. Data Plane Analysis
          2. Control Plane Analysis
          3. Predicting Normal Operations: Summary of the Process
        2. Problem Isolation
        3. Root Cause Analysis
        4. Real World Versus the Exams
      4. Troubleshooting the LAN Switching Data Plane
        1. An Overview of the Normal LAN Switch Forwarding Process
        2. Step 1: Confirm the Network Diagrams Using CDP
        3. Step 2: Isolate Interface Problems
          1. Interface Status Codes and Reasons for Nonworking States
          2. The notconnect State and Cabling Pinouts
          3. Interface Speed and Duplex Issues
        4. Step 3: Isolate Filtering and Port Security Problems
        5. Step 4: Isolate VLAN and Trunking Problems
          1. Ensuring That the Right Access Interfaces Are in the Right VLANs
          2. Access VLANs Not Being Defined or Being Active
          3. Identify Trunks and VLANs Forwarded on Those Trunks
        6. Example: Troubleshooting the Data Plane
          1. Step 1: Verify the Accuracy of the Diagram Using CDP
          2. Step 2: Check for Interface Problems
          3. Step 3: Check for Port Security Problems
          4. Step 4: Check for VLAN and VLAN Trunk Problems
      5. Predicting Normal Operation of the LAN Switching Data Plane
        1. PC1 Broadcast in VLAN 1
        2. Forwarding Path: Unicast from R1 to PC1
      6. Exam Preparation Tasks
      7. Review All the Key Topics
      8. Complete the Tables and Lists from Memory
  10. II. IP Routing
    1. 4. IP Routing: Static and Connected Routes
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. IP Routing and Addressing
        1. IP Routing
        2. IP Addressing and Subnetting
          1. IP Forwarding by Matching the Most Specific Route
        3. DNS, DHCP, ARP, and ICMP
        4. Fragmentation and MTU
      4. Routes to Directly Connected Subnets
        1. Secondary IP Addressing
        2. Supporting Connected Routes to Subnet Zero
        3. ISL and 802.1Q Configuration on Routers
      5. Static Routes
        1. Configuring Static Routes
        2. The Extended ping Command
        3. Static Default Routes
          1. Default Routes Using the ip route Command
          2. Default Routes Using the ip default-network Command
        4. Default Route Summary
        5. Classful and Classless Routing
          1. Summary of the Use of the Terms Classless and Classful
          2. Classless and Classful Routing Compared
      6. Exam Preparation Tasks
      7. Review All the Key Topics
      8. Complete the Tables and Lists from Memory
      9. Definitions of Key Terms
      10. Command Reference to Check Your Memory
    2. 5. VLSM and Route Summarization
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. VLSM
        1. Classless and Classful Routing Protocols
        2. Overlapping VLSM Subnets
        3. Designing a Subnetting Scheme Using VLSM
        4. Adding a New Subnet to an Existing Design
        5. VLSM Configuration
      4. Manual Route Summarization
        1. Route Summarization Concepts
        2. Route Summarization Strategies
          1. Sample “Best” Summary on Seville
          2. Sample “Best” Summary on Yosemite
      5. Autosummarization and Discontiguous Classful Networks
        1. An Example of Autosummarization
        2. Discontiguous Classful Networks
        3. Autosummarization Support and Configuration
      6. Exam Preparation Tasks
      7. Review All the Key Topics
      8. Complete the Tables and Lists from Memory
      9. Definitions of Key Terms
      10. Read Appendix F Scenarios
      11. Command Reference to Check Your Memory
    3. 6. IP Access Control Lists
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. Standard IP Access Control Lists
        1. IP Standard ACL Concepts
          1. Wildcard Masks
          2. A Quicker Alternative for Interpreting Wildcard Masks
        2. Standard IP Access List Configuration
          1. Standard IP ACL: Example 1
          2. Standard IP ACL: Example 2
      4. Extended IP Access Control Lists
        1. Extended IP ACL Concepts
        2. Matching TCP and UDP Port Numbers
        3. Extended IP ACL Configuration
          1. Extended IP Access Lists: Example 1
          2. Extended IP Access Lists: Example 2
      5. Advances in Managing ACL Configuration
        1. Named IP Access Lists
        2. Editing ACLs Using Sequence Numbers
      6. Miscellaneous ACL Topics
        1. Controlling Telnet and SSH Access with ACLs
        2. ACL Implementation Considerations
        3. Reflexive Access Lists
        4. Dynamic ACLs
        5. Time-Based ACLs
      7. Exam Preparation Tasks
      8. Review All the Key Topics
      9. Complete the Tables and Lists from Memory
      10. Read the Appendix F Scenarios
      11. Definitions of Key Terms
      12. Command Reference to Check Your Memory
    4. 7. Troubleshooting IP Routing
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. The ping and traceroute Commands
        1. Internet Control Message Protocol (ICMP)
          1. The ping Command and the ICMP Echo Request and Echo Reply
          2. The Destination Unreachable ICMP Message
          3. The Redirect ICMP Message
          4. The ICMP Time Exceeded Message
        2. The traceroute Command
      4. Troubleshooting the Packet Forwarding Process
        1. Isolating IP Routing Problems Related to Hosts
        2. Isolating IP Routing Problems Related to Routers
          1. Troubleshooting Scenario 1: Forward Route Problem
          2. Troubleshooting Scenario 2: Reverse Route Problem
          3. An Alternative Problem Isolation Process for Steps 3, 4, and 5
      5. Troubleshooting Tools and Tips
        1. Host Routing Tools and Perspectives
          1. Host Troubleshooting Tips
          2. LAN Switch IP Support
        2. show ip route Reference
        3. Interface Status
        4. VLSM Issues
          1. Recognizing When VLSM Is Used
          2. Configuring Overlapping VLSM Subnets
          3. Symptoms with Overlapping Subnets
          4. VLSM Troubleshooting Summary
        5. Discontiguous Networks and Autosummary
        6. Access List Troubleshooting Tips
      6. Exam Preparation Tasks
      7. Review All the Key Topics
      8. Complete the Tables and Lists from Memory
      9. Definitions of Key Terms
  11. III. Routing Protocols Configuration and Troubleshooting
    1. 8. Routing Protocol Theory
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. Dynamic Routing Protocol Overview
        1. Routing Protocol Functions
        2. Interior and Exterior Routing Protocols
        3. Comparing IGPs
          1. IGP Routing Protocol Algorithms
          2. Metrics
          3. IGP Comparisons: Summary
        4. Administrative Distance
      4. Distance Vector Routing Protocol Features
        1. The Concept of a Distance and a Vector
        2. Distance Vector Operation in a Stable Network
        3. Distance Vector Loop Prevention
          1. Route Poisoning
          2. Problem: Counting to Infinity over a Single Link
          3. Split Horizon
          4. Poison Reverse and Triggered Updates
          5. Problem: Counting to Infinity in a Redundant Network
          6. The Holddown Process and Holddown Timer
        4. Distance Vector Summary
      5. Link-State Routing Protocol Features
        1. Building the Same LSDB on Every Router
        2. Applying Dijkstra SPF Math to Find the Best Routes
        3. Convergence with Link-State Protocols
        4. Summary and Comparisons to Distance Vector Protocols
      6. Exam Preparation Tasks
      7. Review All the Key Topics
      8. Complete the Tables and Lists from Memory
      9. Definitions of Key Terms
      10. Command Reference to Check Your Memory
    2. 9. OSPF
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. OSPF Protocols and Operation
        1. OSPF Neighbors
          1. Identifying OSPF Routers with a Router ID
          2. Meeting Neighbors by Saying Hello
          3. Potential Problems in Becoming a Neighbor
          4. Neighbor States
        2. OSPF Topology Database Exchange
          1. Overview of the OSPF Database Exchange Process
          2. Choosing a Designated Router
          3. Database Exchange
          4. Maintaining the LSDB While Being Fully Adjacent
          5. Summary of Neighbor States
        3. Building the IP Routing Table
        4. Scaling OSPF Through Hierarchical Design
          1. OSPF Areas
          2. OSPF Area Design Advantages
      4. OSPF Configuration
        1. OSPF Single-Area Configuration
        2. OSPF Configuration with Multiple Areas
        3. Configuring the OSPF Router ID
        4. OSPF Hello and Dead Timers
        5. OSPF Metrics (Cost)
        6. OSPF Authentication
        7. OSPF Load Balancing
      5. Exam Preparation Tasks
      6. Review All the Key Topics
      7. Complete the Tables and Lists from Memory
      8. Definitions of Key Terms
      9. Command Reference to Check Your Memory
    3. 10. EIGRP
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. EIGRP Concepts and Operation
        1. EIGRP Neighbors
        2. Exchanging EIGRP Topology Information
        3. Calculating the Best Routes for the Routing Table
          1. Feasible Distance and Reported Distance
          2. Caveats with Bandwidth on Serial Links
        4. EIGRP Convergence
          1. EIGRP Successors and Feasible Successors
          2. The Query and Reply Process
        5. EIGRP Summary and Comparisons with OSPF
      4. EIGRP Configuration and Verification
        1. Basic EIGRP Configuration
        2. EIGRP Metrics, Successors, and Feasible Successors
          1. Creating and Viewing a Feasible Successor Route
          2. Convergence Using the Feasible Successor Route
        3. EIGRP Authentication
        4. EIGRP Maximum Paths and Variance
        5. Tuning the EIGRP Metric Calculation
      5. Exam Preparation Tasks
      6. Review All the Key Topics
      7. Complete the Tables and Lists from Memory
      8. Definitions of Key Terms
      9. Command Reference to Check Your Memory
    4. 11. Troubleshooting Routing Protocols
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. Perspectives on Troubleshooting Routing Protocol Problems
      4. Interfaces Enabled with a Routing Protocol
        1. EIGRP Interface Troubleshooting Example
        2. OSPF Interface Troubleshooting Example
      5. Neighbor Relationships
        1. EIGRP Neighbor Requirements
        2. OSPF Neighbor Requirements
          1. OSPF Neighbor Example 1
          2. OSPF Neighbor Example 2
          3. The MTU Matching Requirement
      6. Exam Preparation Tasks
      7. Review All the Key Topics
      8. Complete the Tables and Lists from Memory
      9. Command Reference to Check Your Memory
  12. IV. Wide-Area Networks
    1. 12. Point-to-Point WANs
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. PPP Concepts
        1. The PPP Protocol Field
        2. PPP Link Control Protocol (LCP)
          1. Looped Link Detection
          2. Enhanced Error Detection
          3. PPP Multilink
          4. PPP Authentication
      4. PPP Configuration
        1. Basic PPP Configuration
        2. CHAP Configuration and Verification
        3. PAP Configuration
      5. Troubleshooting Serial Links
        1. Troubleshooting Layer 1 Problems
        2. Troubleshooting Layer 2 Problems
          1. Keepalive Failure
          2. PAP and CHAP Authentication Failure
        3. Troubleshooting Layer 3 Problems
      6. Exam Preparation Tasks
      7. Review All the Key Topics
      8. Complete the Tables and Lists from Memory
      9. Definitions of Key Terms
      10. Command Reference to Check Your Memory
    2. 13. Frame Relay Concepts
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. Frame Relay Overview
        1. Frame Relay Standards
        2. Virtual Circuits
        3. LMI and Encapsulation Types
      4. Frame Relay Addressing
        1. Frame Relay Local Addressing
        2. Frame Relay Global Addressing
      5. Network Layer Concerns with Frame Relay
        1. Frame Relay Layer 3 Addressing: One Subnet Containing All Frame Relay DTEs
        2. Frame Relay Layer 3 Addressing: One Subnet Per VC
        3. Frame Relay Layer 3 Addressing: Hybrid Approach
        4. Layer 3 Broadcast Handling
      6. Controlling Speed and Discards in the Frame Relay Cloud
        1. FECN and BECN
        2. The Discard Eligibility (DE) Bit
      7. Exam Preparation Tasks
      8. Review All the Key Topics
      9. Complete the Tables and Lists from Memory
      10. Definitions of Key Terms
    3. 14. Frame Relay Configuration and Troubleshooting
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. Frame Relay Configuration and Verification
        1. Planning a Frame Relay Configuration
        2. A Fully Meshed Network with One IP Subnet
        3. Configuring the Encapsulation and LMI
        4. Frame Relay Address Mapping
          1. Inverse ARP
          2. Static Frame Relay Mapping
        5. A Partially Meshed Network with One IP Subnet Per VC
          1. Assigning a DLCI to a Particular Subinterface
          2. Comments About Global and Local Addressing
          3. Frame Relay Verification
        6. A Partially Meshed Network with Some Fully Meshed Parts
      4. Frame Relay Troubleshooting
        1. A Suggested Frame Relay Troubleshooting Process
        2. Layer 1 Issues on the Access Link (Step 1)
        3. Layer 2 Issues on the Access Link (Step 2)
        4. PVC Problems and Status (Step 3)
          1. Find the Connected Subnet and Outgoing Interface (Steps 3a and 3b)
          2. Find the PVCs Assigned to That Interface (Step 3c)
          3. Determine Which PVC Is Used to Reach a Particular Neighbor (Step 3d)
          4. PVC Status
          5. Subinterface Status
        5. Frame Relay Mapping Issues (Step 4)
        6. End-to-End Encapsulation (Step 5)
        7. Mismatched Subnet Numbers (Step 6)
      5. Exam Preparation Tasks
      6. Review All the Key Topics
      7. Complete the Tables and Lists from Memory
      8. Read the Appendix F Scenarios
      9. Command Reference to Check Your Memory
    4. 15. Virtual Private Networks
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. VPN Fundamentals
      4. IPsec VPNs
        1. IPsec Encryption
        2. IPsec Key Exchange
        3. IPsec Authentication and Message Integrity
        4. The ESP and AH Security Protocols
        5. IPsec Implementation Considerations
      5. SSL VPNs
      6. Exam Preparation Tasks
      7. Review All the Key Topics
      8. Complete the Tables and Lists from Memory
      9. Definitions of Key Terms
  13. V. Scaling the IP Address Space
    1. 16. Network Address Translation
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. Perspectives on IPv4 Address Scalability
        1. CIDR
          1. Route Aggregation for Shorter Routing Tables
          2. IPv4 Address Conservation
        2. Private Addressing
      4. Network Address Translation Concepts
        1. Static NAT
        2. Dynamic NAT
          1. Overloading NAT with Port Address Translation (PAT)
          2. Translating Overlapping Addresses
      5. NAT Configuration and Troubleshooting
        1. Static NAT Configuration
        2. Dynamic NAT Configuration
        3. NAT Overload (PAT) Configuration
        4. NAT Troubleshooting
      6. Exam Preparation Tasks
      7. Review All the Key Topics
      8. Complete the Tables and Lists from Memory
      9. Definitions of Key Terms
      10. Command Reference to Check Your Memory
    2. 17. IP Version 6
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. Global Unicast Addressing, Routing, and Subnetting
        1. Global Route Aggregation for Efficient Routing
        2. Conventions for Representing IPv6 Addresses
        3. Conventions for Writing IPv6 Prefixes
        4. Global Unicast Prefix Assignment Example
        5. Subnetting Global Unicast IPv6 Addresses Inside an Enterprise
        6. Prefix Terminology
      4. IPv6 Protocols and Addressing
        1. DHCP for IPv6
        2. IPv6 Host Address Assignment
          1. The IPv6 Interface ID and EUI-64 Format
          2. Static IPv6 Address Configuration
          3. Stateless Autoconfiguration and Router Advertisements
          4. IPv6 Address Configuration Summary
        3. Discovering the Default Router with NDP
        4. Learning the IP Address(es) of DNS Servers
        5. IPv6 Addresses
          1. Unicast IPv6 Addresses
          2. Multicast and Other Special IPv6 Addresses
        6. Summary of IP Protocols and Addressing
      5. Configuring IPv6 Routing and Routing Protocols
        1. IPv6 Routing Protocols
        2. IPv6 Configuration
      6. IPv6 Transition Options
        1. IPv4/IPv6 Dual Stacks
        2. Tunneling
        3. Translating Between IPv4 and IPv6 with NAT-PT
        4. Transition Summary
      7. Exam Preparation Tasks
      8. Review All the Key Topics
      9. Complete the Tables and Lists from Memory
      10. Definitions of Key Terms
      11. Command Reference to Check Your Memory
  14. VI. Final Preparation
    1. 18. Final Preparation
      1. Tools for Final Preparation
        1. Exam Engine and Questions on the CD
          1. Install the Software from the CD
          2. Activate and Download the Practice Exam
          3. Activating Other Exams
        2. The Cisco CCNA Prep Center
        3. Subnetting Videos, Reference Pages, and Practice Problems
        4. Scenarios
      2. Study Plan
        1. Recall the Facts
        2. Practice Subnetting
        3. Build Troubleshooting Skills Using Scenarios
        4. Use the Exam Engine
      3. Summary
  15. VII. Appendixes
    1. A. Answers to the “Do I Know This Already?” Quizzes
      1. Chapter 1
      2. Chapter 2
      3. Chapter 4
      4. Chapter 5
      5. Chapter 6
      6. Chapter 8
      7. Chapter 9
      8. Chapter 10
      9. Chapter 12
      10. Chapter 13
      11. Chapter 14
      12. Chapter 15
      13. Chapter 16
      14. Chapter 17
    2. B. Decimal to Binary Conversion Table
    3. C. ICND2 Exam Updates: Version 1.0
      1. Always Get the Latest at the Companion Website
      2. Technical Content
    4. Glossary
      1. A
      2. B
      3. C
      4. D
      5. E
      6. F
      7. G
      8. H
      9. I
      10. K
      11. L
      12. M
      13. N
      14. O
      15. P
      16. R
      17. S
      18. T
      19. U
      20. V
      21. W
      22. Z
  16. VIII. CD-Only
    1. D. Subnetting Practice
      1. Problem Sets 1–8
      2. Problem Set 1: Converting Between Mask Formats
      3. Problem Set 2: Analyzing Unsubnetted IP Addresses
      4. Problem Set 3: Interpreting Existing Subnet Masks
      5. Problem Set 4: Choosing Subnet Masks
      6. Problem Set 5: Analyzing an Address in an Existing Subnet
      7. Problem Set 6: Listing All Subnets of a Network (Fewer Than 8 Subnet Bits)
      8. Problem Set 7: Listing All Subnets of a Network (At Least 8 Subnet Bits)
      9. Problem Set 8: Identifying a New Subnet to Add to a VLSM Design
        1. Choose New VLSM Subnet: Problem 1
        2. Choose New VLSM Subnet: Problem 2
      10. Answers to Problem Sets 1–8
      11. Answers to Problem Set 1
        1. Answer to Problem 1 in Problem Set 1
        2. Answer to Problem 2 in Problem Set 1
        3. Answer to Problem 3 in Problem Set 1
        4. Answer to Problem 4 in Problem Set 1
        5. Answer to Problem 5 in Problem Set 1
        6. Answer to Problem 6 in Problem Set 1
        7. Answer to Problem 7 in Problem Set 1
        8. Answer to Problem 8 in Problem Set 1
        9. Answer to Problem 9 in Problem Set 1
        10. Answer to Problem 10 in Problem Set 1
      12. Answers to Problem Set 2
      13. Answers to Problem Set 3
        1. Answer to Problem 1 in Problem Set 3
        2. Answer to Problem 2 in Problem Set 3
        3. Answer to Problem 3 in Problem Set 3
        4. Answer to Problem 4 in Problem Set 3
        5. Answer to Problem 5 in Problem Set 3
        6. Answer to Problem 6 in Problem Set 3
      14. Answers to Problem Set 4
        1. Answer to Problem 1 in Problem Set 4
        2. Answer to Problem 2 in Problem Set 4
        3. Answer to Problem 3 in Problem Set 4
        4. Answer to Problem 4 in Problem Set 4
        5. Answer to Problem 5 in Problem Set 4
        6. Answer to Problem 6 in Problem Set 4
      15. Answers to Problem Set 5
        1. Answer to Problem 1 in Problem Set 5
        2. Answer to Problem 2 in Problem Set 5
        3. Answer to Problem 3 in Problem Set 5
        4. Answer to Problem 4 in Problem Set 5
        5. Answer to Problem 5 in Problem Set 5
        6. Answer to Problem 6 in Problem Set 5
        7. Answer to Problem 7 in Problem Set 5
        8. Answer to Problem 8 in Problem Set 5
        9. Answer to Problem 9 in Problem Set 5
        10. Answer to Problem 10 in Problem Set 5
        11. Answer to Problem 11 in Problem Set 5
        12. Answer to Problem 12 in Problem Set 5
        13. Answer to Problem 13 in Problem Set 5
        14. Answer to Problem 14 in Problem Set 5
        15. Answer to Problem 15 in Problem Set 5
        16. Answer to Problem 16 in Problem Set 5
        17. Answer to Problem 17 in Problem Set 5
        18. Answer to Problem 18 in Problem Set 5
        19. Answer to Problem 19 in Problem Set 5
        20. Answer to Problem 20 in Problem Set 5
        21. Answer to Problem 21 in Problem Set 5
        22. Answer to Problem 22 in Problem Set 5
        23. Answer to Problem 23 in Problem Set 5
        24. Answer to Problem 24 in Problem Set 5
        25. Answer to Problem 25 in Problem Set 5
      16. Answers to Problem Set 6
        1. Answer to Problem 1 in Problem Set 6
        2. Answer to Problem 2 in Problem Set 6
        3. Answer to Problem 3 in Problem Set 6
      17. Answers to Problem Set 7
        1. Answer to Problem 1 in Problem Set 7
        2. Answer to Problem 2 in Problem Set 7
        3. Answer to Problem 3 in Problem Set 7
      18. Answers to Problem Set 8
        1. Answer to Problem 1 in Problem Set 8
        2. Answer to Problem 2 in Problem Set 8
    2. E. Subnetting Reference Pages
      1. General Reference Information
      2. RP-1A: Converting Subnet Masks Between Dotted Decimal and Prefix Format: Binary Version
      3. RP-1B: Converting Subnet Masks Between Dotted Decimal and Prefix Format: Decimal Version
      4. RP-2: Analyzing Unsubnetted IP Addresses
      5. RP-3A: Analyzing an Existing Subnet Mask: Binary Version
      6. RP-3B: Analyzing an Existing Subnet Mask: Decimal Version
      7. RP-4: Choosing a Subnet Mask
      8. RP-5A: Finding the Subnet Number: Binary Version
      9. RP-5A-Shortcut: Finding the Subnet Number: Binary Shortcut
      10. RP-5B: Finding the Subnet Number: Decimal Version, Easy Masks
      11. RP-5C: Finding the Subnet Number: Decimal Version, Difficult Masks
      12. RP-6A: Finding the Broadcast Address and Range of Usable Addresses: Binary Version
      13. RP-6B: Finding the Broadcast Address and Range of Usable Addresses: Decimal Version, Easy Masks
      14. RP-6C: Finding the Broadcast Address and Range of Usable Addresses: Decimal Version, Difficult Masks
      15. RP-7A: Finding All Possible Subnets: Fewer than 8 Subnet Bits (Decimal)
      16. RP-7B: Finding All Possible Subnets: More than 8 Subnet Bits (Decimal)
      17. RP-8: Finding New Subnet Numbers When Using VLSM
    3. F. Additional Scenarios
      1. Scenario 1: VLSM Design and Multiarea OSPF
        1. Scenario 1, Part A: Analyze IP Subnets and Addresses, and Complete the Documentation
        2. Scenario 1, Part A: Solution
        3. Scenario 1, Part B: OSPF Configuration
        4. Scenario 1, Part B: Solution
        5. Scenario 1, Part C: Calculate OSPF Routes
        6. Scenario 1, Part C: Solution
      2. Scenario 2: VLAN Trunking, VTP, and Broadcast Flooding
        1. Scenario 2, Part A: VTP and Trunking Analysis
        2. Scenario 2, Part A: Background and Suggestions
          1. Review of Forwarding Logic
          2. Suggested Approach
        3. Scenario 2, Part A: Solution
        4. Scenario 2, Part B: Broadcast in VLAN 1
        5. Scenario 2, Part B: Solution
        6. Scenario 2, Part C: Broadcast in VLAN 3
        7. Scenario 2, Part C: Solution
      3. Scenario 3: IP Addressing and ACLs over Frame Relay
        1. Scenario 3, Part A: IP Address Planning
        2. Solutions to Scenario 3, Part A: Planning
        3. Scenario 3, Part B: IP Address Configuration
        4. Scenario 3, Part B: Solution
        5. Scenario 3, Part C: ACL Configuration
        6. Scenario 3, Part C: Solution
      4. Scenario 4: Frame Relay Planning Configuration and Analysis
        1. Scenario 4, Part A: Planning
        2. Solutions to Scenario 4, Part A: Planning
        3. Scenario 4, Part B: Configuration
        4. Solutions to Scenario 4, Part B: Configuration
        5. Scenario 1, Part C: Verification and Questions
        6. Scenario 4, Part C: Solutions
      5. Scenario 5: VLSM Analysis and Autosummary
        1. Scenario 5, Part A: Analyze IP Subnets and Addresses, and Complete the Documentation
        2. Scenario 5, Part A: Solution
        3. Scenario 5, Part B: Allocate an Additional Subnet
        4. Scenario 5, Part B: Solution
        5. Scenario 5, Part C: Automatic Summarization
        6. Scenario 5, Part C: Solution
    4. G. Subnetting Video Reference
      1. Subnetting Video 1
      2. Subnetting Video 2
      3. Subnetting Video 3
      4. Subnetting Video 4
      5. Subnetting Video 5
      6. Subnetting Video 6
      7. Subnetting Video 7
      8. Subnetting Video 8
      9. CVM Video 3: Switch Basics: Learning, Forwarding/Filtering, and Interface Settings
      10. Scenario
      11. Initial Configurations
      12. Ending Configurations
      13. Video Presentation Reference
        1. Step 1 Reference
        2. Step 2 Reference
      14. CVM Video 10: NAT Overload (PAT)
        1. Scenario
        2. Initial Configurations
        3. Ending Configurations
        4. Video Presentation Reference
        5. Step 1 Reference
        6. Step 2 Reference
    5. H. ICND1 Chapter 12: IP Addressing and Subnetting
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. Exam Preparation Tools for Subnetting
        1. Suggested Subnetting Preparation Plan
        2. More Practice Using a Subnet Calculator
      4. IP Addressing and Routing
        1. IP Addressing Review
        2. Public and Private Addressing
        3. IP Version 6 Addressing
        4. IP Subnetting Review
        5. IP Routing Review
      5. Math Operations Used When Subnetting
        1. Converting IP Addresses and Masks from Decimal to Binary and Back Again
        2. Performing a Boolean AND Operation
        3. Prefix Notation/CIDR Notation
          1. Binary Process to Convert Between Dotted Decimal and Prefix Notation
          2. Decimal Process to Convert Between Dotted Decimal and Prefix Notation
        4. Practice Suggestions
      6. Analyzing and Choosing Subnet Masks
        1. Analyzing the Subnet Mask in an Existing Subnet Design
          1. The Three Parts: Network, Subnet, and Host
          2. Binary Process: Finding the Number of Network, Subnet, and Host Bits
          3. Decimal Process: Finding the Number of Network, Subnet, and Host Bits
          4. Determining the Number of Subnets and Number of Hosts Per Subnet
          5. Number of Subnets: Subtract 2, or Not?
          6. Practice Examples for Analyzing Subnet Masks
        2. Choosing a Subnet Mask that Meets Design Requirements
          1. Finding the Only Possible Mask
          2. Finding Multiple Possible Masks
          3. Choosing the Mask that Maximizes the Number of Subnets or Hosts
        3. Practice Suggestions
      7. Analyzing Existing Subnets
        1. Finding the Subnet Number: Binary
        2. Finding the Subnet Number: Binary Shortcut
        3. Finding the Subnet Broadcast Address: Binary
        4. Finding the Range of Valid IP Addresses in a Subnet
        5. Finding the Subnet, Broadcast Address, and Range of Addresses: Decimal Process
          1. Decimal Process with Easy Masks
          2. Decimal Process with Difficult Masks
          3. Finding the Broadcast Address: Decimal
          4. Summary of Decimal Processes to Find the Subnet, Broadcast, and Range
        6. Practice Suggestions
      8. Design: Choosing the Subnets of a Classful Network
        1. Finding All Subnets with Fewer Than 8 Subnet Bits
        2. Finding All Subnets with Exactly 8 Subnet Bits
        3. Practice Suggestions
        4. Finding All Subnets with More Than 8 Subnet Bits
        5. More Practice Suggestions
      9. Exam Preparation Tasks
      10. Review All the Key Topics
      11. Complete the Tables and Lists from Memory
      12. Definitions of Key Terms
      13. Read Appendix F Scenario 1, Part A
      14. Subnetting Questions and Processes
    6. I. ICND1 Chapter 17: WAN Configuration
      1. “Do I Know This Already?” Quiz
      2. Foundation Topics
      3. Configuring Point-to-Point WANs
        1. Configuring HDLC
        2. Configuring PPP
      4. Configuring and Troubleshooting Internet Access Routers
        1. Internet Access Router: Configuration Steps
          1. Step 1: Establish IP Connectivity
          2. Step 2: Install and Access SDM
          3. Step 3: Configure DHCP and PAT
          4. Step 4: Plan for DHCP Services
          5. Step 5: Configure the DHCP Server
        2. Internet Access Router Verification
      5. Exam Preparation Tasks
      6. Review All the Key Topics
      7. Complete the Tables and Lists from Memory
      8. Definitions of Key Terms
      9. Command References
    7. J. Memory Tables
      1. Chapter 1
      2. Chapter 2
      3. Chapter 3
      4. Chapter 4
      5. Chapter 5
      6. Chapter 6
      7. Chapter 7
      8. Chapter 8
      9. Chapter 10
      10. Chapter 11
      11. Chapter 12
      12. Chapter 13
      13. Chapter 14
      14. Chapter 15
      15. Chapter 17
    8. K. Memory Tables Answer Key
      1. Chapter 1
      2. Chapter 2
      3. Chapter 3
      4. Chapter 4
      5. Chapter 5
      6. Chapter 6
      7. Chapter 7
      8. Chapter 8
      9. Chapter 10
      10. Chapter 11
      11. Chapter 12
      12. Chapter 13
      13. Chapter 14
      14. Chapter 15
      15. Chapter 17
    9. L. ICND2 Open-Ended Questions
      1. Part I: LAN Switching—Questions
      2. Part I: LAN Switching—Answers
      3. Part II: IP Routing—Questions
      4. Part II: IP Routing—Answers
      5. Part III: IP Routing Protocol—Questions
      6. Part III: IP Routing Protocol—Answers
      7. Part IV: Wide-Area Networks—Questions
      8. Part IV: Wide-Area Networks—Answers