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CCENT/CCNA ICND1 Official Exam Certification Guide (CCENT Exam 640-822 and CCNA Exam 640-802), Second Edition

Book Description

New Edition of Best Selling Official Cert Guide Available

Includes Updated Content, New Exercises, and Expanded Coverage -- PLUS includes CCNA Network Simulator Lite Edition.

The new edition of bestselling Official Cert Guide is available: CCENT/CCNA ICND1 640-822 Official Cert Guide, Third Edition (ISBN: 978-1-58720-425-8) by Wendell Odom has been updated to refresh the content, add new exercises, and enhance certain topics that are key to understanding for success on the CCENT and CCNA exams. The IP addressing topics have been rewritten and re-organized to mirror proven techniques to learn both the concepts and the specific pieces of the subnetting puzzle. In addition, the TCP/IP and OSI Networking Models chapter was also completely updated and rewritten.

CCENT/CCNA ICND1 640-822 Official Cert Guide, 3rd Edition
ISBN:
978-1-58720-425-8

About the Previous Edition

CCENT/CCNA ICND1 Official Exam Certification Guide, Second Edition, is a best of breed Cisco® exam study guide that focuses specifically on the objectives for the CCENT™ and CCNA® ICND1 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.

CCENT/CCNA ICND1 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.

CCENT/CCNA ICND1 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 CCENT and CCNA ICND1 exam, including

  • TCP/IP and OSI networking models

  • Operating Cisco routers and LAN switches

  • Ethernet switch configuration and troubleshooting

  • Wireless LANs

  • IP addressing and subnetting

  • Routing protocols

  • Router configuration and troubleshooting

  • Network Security

  • WAN concepts and configuration

  • Companion CD-ROM

    The CD-ROM contains an electronic copy of the book and 200 practice questions for the ICND1 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.

    Table of Contents

    1. Copyright
      1. Dedication
    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 ICND1 (640–822) Exam and CCENT Certification
      5. How to Use These Books to Prepare for the CCNA 640–802 Exam
      6. For More Information
    9. I. Networking Fundamentals
      1. 1. Introduction to Computer Networking Concepts
        1. Perspectives on Networking
          1. The Flintstones Network: The First Computer Network?
      2. 2. The TCP/IP and OSI Networking Models
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
        3. The TCP/IP Protocol Architecture
          1. The TCP/IP Application Layer
          2. The TCP/IP Transport Layer
          3. The TCP/IP Internet Layer
          4. The TCP/IP Network Access Layer
          5. Data Encapsulation Terminology
        4. The OSI Reference Model
          1. Comparing OSI and TCP/IP
          2. OSI Layers and Their Functions
          3. OSI Layering Concepts and Benefits
          4. OSI Encapsulation Terminology
        5. Exam Preparation Tasks
          1. Review all the Key Topics
          2. Complete the Tables and Lists from Memory
          3. Definitions of Key Terms
          4. OSI Reference
      3. 3. Fundamentals of LANs
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
        3. An Overview of Modern Ethernet LANs
        4. A Brief History of Ethernet
          1. The Original Ethernet Standards: 10BASE2 and 10BASE5
          2. Repeaters
          3. Building 10BASE-T Networks with Hubs
        5. Ethernet UTP Cabling
          1. UTP Cables and RJ-45 Connectors
          2. Transmitting Data Using Twisted Pairs
          3. UTP Cabling Pinouts for 10BASE-T and 100BASE-TX
          4. 1000BASE-T Cabling
        6. Improving Performance by Using Switches Instead of Hubs
          1. Increasing Available Bandwidth Using Switches
          2. Doubling Performance by Using Full-Duplex Ethernet
          3. Ethernet Layer 1 Summary
        7. Ethernet Data-Link Protocols
          1. Ethernet Addressing
          2. Ethernet Framing
          3. Identifying the Data Inside an Ethernet Frame
          4. Error Detection
        8. Exam Preparation Tasks
          1. Review All the Key Topics
        9. Complete the Tables and Lists from Memory
        10. Definitions of Key Terms
      4. 4. Fundamentals of WANs
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
        3. OSI Layer 1 for Point-to-Point WANs
          1. WAN Connections from the Customer Viewpoint
          2. WAN Cabling Standards
          3. Clock Rates, Synchronization, DCE, and DTE
          4. Building a WAN Link in a Lab
          5. Link Speeds Offered by Telcos
        4. OSI Layer 2 for Point-to-Point WANs
          1. HDLC
          2. Point-to-Point Protocol
          3. Point-to-Point WAN Summary
        5. Frame Relay and Packet-Switching Services
          1. The Scaling Benefits of Packet Switching
          2. Frame Relay Basics
        6. Exam Preparation Tasks
          1. Review All the Key Topics
        7. Complete the Tables and Lists from Memory
        8. Definitions of Key Terms
      5. 5. Fundamentals of IP Addressing and Routing
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
        3. Overview of Network Layer Functions
          1. Routing (Forwarding)
            1. PC1’s Logic: Sending Data to a Nearby Router
            2. R1 and R2’s Logic: Routing Data Across the Network
            3. R3’s Logic: Delivering Data to the End Destination
          2. Network Layer Interaction with the Data Link Layer
          3. IP Packets and the IP Header
          4. Network Layer (Layer 3) Addressing
          5. Routing Protocols
        4. IP Addressing
          1. IP Addressing Definitions
          2. How IP Addresses Are Grouped
          3. Classes of Networks
            1. The Actual Class A, B, and C Network Numbers
            2. IP Subnetting
        5. IP Routing
          1. Host Routing
          2. Router Forwarding Decisions and the IP Routing Table
        6. IP Routing Protocols
        7. Network Layer Utilities
          1. Address Resolution Protocol and the Domain Name System
            1. DNS Name Resolution
            2. The ARP Process
          2. Address Assignment and DHCP
          3. ICMP Echo and the ping Command
        8. Exam Preparation Tasks
          1. Review All the Key Topics
        9. Complete the Tables and Lists from Memory
        10. Definitions of Key Terms
      6. 6. Fundamentals of TCP/IP Transport, Applications, and Security
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
        3. TCP/IP Layer 4 Protocols: TCP and UDP
          1. Transmission Control Protocol
            1. Multiplexing Using TCP Port Numbers
            2. Popular TCP/IP Applications
            3. Error Recovery (Reliability)
            4. Flow Control Using Windowing
            5. Connection Establishment and Termination
            6. Data Segmentation and Ordered Data Transfer
          2. User Datagram Protocol
        4. TCP/IP Applications
          1. QoS Needs and the Impact of TCP/IP Applications
          2. The World Wide Web, HTTP, and SSL
            1. Universal Resource Locators
            2. Finding the Web Server Using DNS
            3. Transferring Files with HTTP
        5. Network Security
          1. Perspectives on the Sources and Types of Threats
          2. Firewalls and the Cisco Adaptive Security Appliance (ASA)
          3. Anti-x
          4. Intrusion Detection and Prevention
          5. Virtual Private Networks (VPN)
        6. Exam Preparation Tasks
          1. Review All the Key Topics
        7. Complete the Tables and Lists from Memory
        8. Definitions of Key Terms
    10. II. LAN Switching
      1. 7. Ethernet LAN Switching Concepts
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
        3. LAN Switching Concepts
          1. Historical Progression: Hubs, Bridges, and Switches
          2. Switching Logic
            1. The Forward Versus Filter Decision
            2. How Switches Learn MAC Addresses
            3. Flooding Frames
            4. Avoiding Loops Using Spanning Tree Protocol
            5. Internal Processing on Cisco Switches
          3. LAN Switching Summary
        4. LAN Design Considerations
          1. Collision Domains and Broadcast Domains
            1. Collision Domains
            2. Broadcast Domains
            3. The Impact of Collision and Broadcast Domains on LAN Design
          2. Virtual LANs (VLAN)
          3. Campus LAN Design Terminology
          4. Ethernet LAN Media and Cable Lengths
        5. Exam Preparation Tasks
          1. Review All the Key Topics
        6. Complete the Tables and Lists from Memory
        7. Definitions of Key Terms
      2. 8. Operating Cisco LAN Switches
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
        3. Accessing the Cisco Catalyst 2960 Switch CLI
          1. Cisco Catalyst Switches and the 2960 Switch
          2. Switch Status from LEDs
          3. Accessing the Cisco IOS CLI
            1. CLI Access from the Console
            2. Accessing the CLI with Telnet and SSH
            3. Password Security for CLI Access
          4. User and Enable (Privileged) Modes
          5. CLI Help Features
          6. The debug and show Commands
        4. Configuring Cisco IOS Software
          1. Configuration Submodes and Contexts
          2. Storing Switch Configuration Files
          3. Copying and Erasing Configuration Files
          4. Initial Configuration (Setup Mode)
        5. Exam Preparation Tasks
          1. Review All the Key Topics
        6. Complete the Tables and Lists from Memory
        7. Definitions of Key Terms
        8. Command References
      3. 9. Ethernet Switch Configuration
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
        3. Configuration of Features in Common with Routers
          1. Securing the Switch CLI
            1. Configuring Simple Password Security
            2. Configuring Usernames and Secure Shell (SSH)
            3. Password Encryption
            4. The Two Enable Mode Passwords
          2. Console and vty Settings
            1. Banners
            2. History Buffer Commands
            3. The logging synchronous and exec-timeout Commands
        4. LAN Switch Configuration and Operation
          1. Configuring the Switch IP Address
          2. Configuring Switch Interfaces
          3. Port Security
          4. VLAN Configuration
          5. Securing Unused Switch Interfaces
        5. Exam Preparation Tasks
          1. Review All the Key Topics
        6. Complete the Tables and Lists from Memory
        7. Definitions of Key Terms
        8. Command References
      4. 10. Ethernet Switch Troubleshooting
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
        3. Perspectives on Network Verification and Troubleshooting
          1. Attacking Sim Questions
          2. Simlet Questions
          3. Multiple-Choice Questions
          4. Approaching Questions with an Organized Troubleshooting Process
          5. Isolating Problems at Layer 3, and Then at Layers 1 and 2
          6. Troubleshooting as Covered in This Book
        4. Verifying the Network Topology with Cisco Discovery Protocol
        5. Analyzing Layer 1 and 2 Interface Status
          1. Interface Status Codes and Reasons for Nonworking States
          2. Interface Speed and Duplex Issues
          3. Common Layer 1 Problems on Working Interfaces
        6. Analyzing the Layer 2 Forwarding Path with the MAC Address Table
          1. Analyzing the Forwarding Path
          2. Port Security and Filtering
        7. Exam Preparation Tasks
          1. Review All the Key Topics
        8. Complete the Tables and Lists from Memory
        9. Definitions of Key Terms
        10. Command References
      5. 11. Wireless LANs
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
        3. Wireless LAN Concepts
          1. Comparisons with Ethernet LANs
          2. Wireless LAN Standards
          3. Modes of 802.11 Wireless LANs
          4. Wireless Transmissions (Layer 1)
            1. Wireless Encoding and Nonoverlapping DSSS Channels
            2. Wireless Interference
            3. Coverage Area, Speed, and Capacity
          5. Media Access (Layer 2)
        4. Deploying WLANs
          1. Wireless LAN Implementation Checklist
            1. Step 1: Verify the Existing Wired Network
            2. Step 2: Install and Configure the AP’s Wired and IP Details
            3. Step 3: Configure the AP’s WLAN Details
            4. Step 4: Install and Configure One Wireless Client
            5. Step 5: Verify That the WLAN Works from the Client
        5. Wireless LAN Security
          1. WLAN Security Issues
          2. The Progression of WLAN Security Standards
            1. Wired Equivalent Privacy (WEP)
            2. SSID Cloaking and MAC Filtering
            3. The Cisco Interim Solution Between WEP and 802.11i
            4. Wi-Fi Protected Access (WPA)
            5. IEEE 802.11i and WPA-2
        6. Exam Preparation Tasks
          1. Review All the Key Topics
          2. Complete the Tables and Lists from Memory
          3. Definitions of Key Terms
    11. III. IP Routing
      1. 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
          1. Review All the Key Topics
        10. Complete the Tables and Lists from Memory
        11. Definitions of Key Terms
        12. Read Appendix F Scenario 1, Part A
        13. Subnetting Questions and Processes
      2. 13. Operating Cisco Routers
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
          1. Installing Cisco Routers
          2. Installing Enterprise Routers
            1. Cisco Integrated Services Routers
            2. Physical Installation
          3. Installing Internet Access Routers
            1. A SOHO Installation with a Separate Switch, Router, and Cable Modem
            2. A SOHO Installation with an Integrated Switch, Router, and DSL Modem
          4. Regarding the SOHO Devices Used in This Book
        3. Cisco Router IOS CLI
          1. Comparisons Between the Switch CLI and Router CLI
          2. Router Interfaces
            1. Interface Status Codes
            2. Router Interface IP Addresses
            3. Bandwidth and Clock Rate on Serial Interfaces
          3. Router Auxiliary (Aux) Port
          4. Initial Configuration (Setup Mode)
        4. Upgrading Cisco IOS Software and the Cisco IOS Software Boot Process
          1. Upgrading a Cisco IOS Software Image into Flash Memory
          2. The Cisco IOS Software Boot Sequence
            1. The Three Router Operating Systems
            2. The Configuration Register
            3. How a Router Chooses Which OS to Load
            4. The show version Command and Seeing the Configuration Register’s Value
        5. Exam Preparation Tasks
          1. Review All the Key Topics
        6. Complete the Tables and Lists from Memory
        7. Definitions of Key Terms
        8. Read Appendix F Scenario 2
        9. Command References
      3. 14. Routing Protocol Concepts and Configuration
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
          1. Connected and Static Routes
            1. Connected Routes
            2. Static Routes
            3. Extended ping Command
            4. Default Routes
        3. Routing Protocol Overview
          1. RIP-2 Basic Concepts
          2. Comparing and Contrasting IP Routing Protocols
            1. Interior and Exterior Routing Protocols
            2. Routing Protocol Types/Algorithms
            3. Metrics
            4. Autosummarization and Manual Summarization
            5. Classless and Classful Routing Protocols
            6. Convergence
            7. Miscellaneous Comparison Points
          3. Summary of Interior Routing Protocols
        4. Configuring and Verifying RIP-2
          1. RIP-2 Configuration
            1. Sample RIP Configuration
          2. RIP-2 Verification
            1. Interpreting the Output of the show ip route Command
            2. Administrative Distance
            3. The show ip protocols Command
            4. Examining RIP Messages with debug
        5. Exam Preparation Tasks
          1. Review All the Key Topics
        6. Complete the Tables and Lists from Memory
        7. Definitions of Key Terms
        8. Command References
      4. 15. Troubleshooting IP Routing
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
          1. IP Troubleshooting Tips and Tools
          2. IP Addressing
            1. Avoiding Reserved IP Addresses
            2. One Subnet, One Mask, for Each LAN
            3. Summary of IP Addressing Tips
          3. Host Networking Commands
          4. Troubleshooting Host Routing Problems
          5. Finding the Matching Route on a Router
          6. Troubleshooting Commands
            1. The show ip arp Command
            2. The traceroute Command
            3. Telnet and Suspend
        3. A Routing Troubleshooting Scenario
          1. Scenario Part A: Tasks and Questions
          2. Scenario Part A: Answers
          3. Scenario Part B: Analyze Packet/Frame Flow
          4. Scenario Part B: Answers
            1. Scenario Part B: Question 1
            2. Scenario Part B: Question 2
            3. Scenario Part B: Question 3
            4. Scenario Part B: Question 4
            5. Scenario Part B: Question 5
            6. Scenario Part B: Question 6
            7. Scenario Part B: Question 7
          5. Scenario Part C: Analyze Connected Routes
          6. Scenario Part C: Answers
        4. Exam Preparation Tasks
          1. Review All the Key Topics
        5. Complete the Tables and Lists from Memory
        6. Command Reference
    12. IV. Wide-Area Networks
      1. 16. WAN Concepts
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
        3. WAN Technologies
          1. Perspectives on the PSTN
          2. Analog Modems
          3. Digital Subscriber Line
            1. DSL Types, Speeds, and Distances
            2. DSL Summary
          4. Cable Internet
          5. Comparison of Remote-Access Technologies
          6. ATM
          7. Packet Switching Versus Circuit Switching
          8. Ethernet as a WAN Service
        4. IP Services for Internet Access
          1. Address Assignment on the Internet Access Router
          2. Routing for the Internet Access Router
          3. NAT and PAT
        5. Exam Preparation Tasks
          1. Review All the Key Topics
        6. Complete the Tables and Lists from Memory
        7. Definitions of Key Terms
      2. 17. WAN Configuration
        1. “Do I Know This Already?” Quiz
        2. Foundation Topics
          1. Configuring Point-to-Point WANs
          2. Configuring HDLC
          3. Configuring PPP
        3. 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
        4. Exam Preparation Tasks
          1. Review All the Key Topics
        5. Complete the Tables and Lists from Memory
        6. Definitions of Key Terms
        7. Command References
    13. V. 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
            1. Choosing Study or Simulation Mode
            2. Choosing the Right Exam Option
        3. Summary
    14. VI. Appendixes
      1. A. Answers to the “Do I Know This Already?” Quizzes
        1. Chapter 2
          1. “Do I Know This Already?”
        2. Chapter 3
          1. “Do I Know This Already?”
        3. Chapter 4
          1. “Do I Know This Already?”
        4. Chapter 5
          1. “Do I Know This Already?”
        5. Chapter 6
          1. “Do I Know This Already?”
        6. Chapter 7
          1. “Do I Know This Already?”
        7. Chapter 8
          1. “Do I Know This Already?”
        8. Chapter 9
          1. “Do I Know This Already?”
        9. Chapter 10
          1. “Do I Know This Already?”
        10. Chapter 11
          1. “Do I Know This Already?”
        11. Chapter 12
          1. “Do I Know This Already?”
        12. Chapter 13
          1. “Do I Know This Already?”
        13. Chapter 14
          1. “Do I Know This Already?”
        14. Chapter 15
        15. Chapter 16
          1. “Do I Know This Already?”
        16. Chapter 17
      2. B. Decimal to Binary Conversion Table
      3. C. ICND1 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. H
        8. I
        9. K
        10. L
        11. M
        12. N
        13. O
        14. P
        15. R
        16. S
        17. T
        18. U
        19. V
        20. W
        21. Z
    15. VII. CD-Only
      1. D. Subnetting Practice
        1. Problem Sets 1–8
          1. Problem Set 1: Converting Between Mask Formats
          2. Problem Set 2: Analyzing Unsubnetted IP Addresses
          3. Problem Set 3: Interpreting Existing Subnet Masks
          4. Problem Set 4: Choosing Subnet Masks
          5. Problem Set 5: Analyzing an Address in an Existing Subnet
          6. Problem Set 6: Listing All Subnets of a Network (Fewer Than 8 Subnet Bits)
          7. Problem Set 7: Listing All Subnets of a Network (At Least 8 Subnet Bits)
          8. 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
        2. Answers to Problem Sets 1–8
          1. 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
          2. Answers to Problem Set 2
          3. Answers to Problem Set 3
          4. 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
          5. Answers to Problem Set 5
            1. Answer to Problem 1 in Problem Set 5
          6. Answer to Problem 2 in Problem Set 5
            1. Answer to Problem 3 in Problem Set 5
            2. Answer to Problem 4 in Problem Set 5
            3. Answer to Problem 5 in Problem Set 5
            4. Answer to Problem 6 in Problem Set 5
            5. Answer to Problem 7 in Problem Set 5
            6. Answer to Problem 8 in Problem Set 5
            7. Answer to Problem 9 in Problem Set 5
            8. Answer to Problem 10 in Problem Set 5
            9. Answer to Problem 11 in Problem Set 5
            10. Answer to Problem 12 in Problem Set 5
            11. Answer to Problem 13 in Problem Set 5
            12. Answer to Problem 14 in Problem Set 5
            13. Answer to Problem 15 in Problem Set 5
            14. Answer to Problem 16 in Problem Set 5
            15. Answer to Problem 17 in Problem Set 5
            16. Answer to Problem 18 in Problem Set 5
            17. Answer to Problem 19 in Problem Set 5
            18. Answer to Problem 20 in Problem Set 5
            19. Answer to Problem 21 in Problem Set 5
            20. Answer to Problem 22 in Problem Set 5
            21. Answer to Problem 23 in Problem Set 5
            22. Answer to Problem 24 in Problem Set 5
            23. Answer to Problem 25 in Problem Set 5
          7. 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
          8. 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
          9. 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: IP Address Planning, Configuration, and Analysis
          1. Scenario 1, Part A: Planning
          2. Scenario 1, Part A: Solution
          3. Scenario 1, Part B: Configuration
          4. Scenario 1, Part B: Solution
          5. Scenario 1, Part C: Verification and Questions
          6. Scenario 1, Part C: Solution
        2. Scenario 2: CDP Analysis
          1. Scenario 2, Part A: CDP Command Output Memory Exercise
          2. Scenario 2, Part A: Solution
          3. Scenario 2, Part B: Draw an Internetwork Diagram Using CDP Command Output
          4. Scenario 2, Part B: Solution
          5. Scenario 2, Part C: CDP Configuration
          6. Scenario 2, 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. Memory Tables
        1. Chapter 2
        2. Chapter 3
        3. Chapter 4
        4. Chapter 5
        5. Chapter 6
        6. Chapter 7
        7. Chapter 8
        8. Chapter 9
        9. Chapter 10
        10. Chapter 11
        11. Chapter 12
        12. Chapter 13
        13. Chapter 14
        14. Chapter 15
        15. Chapter 16
        16. Chapter 17
      6. I. Memory Tables Answer Key
        1. Chapter 2
        2. Chapter 3
        3. Chapter 4
        4. Chapter 5
        5. Chapter 6
        6. Chapter 7
        7. Chapter 8
        8. Chapter 9
        9. Chapter 10
        10. Chapter 11
        11. Chapter 12
        12. Chapter 13
        13. Chapter 14
        14. Chapter 15
        15. Chapter 16
        16. Chapter 17
      7. J. ICND1 Open-Ended Questions
        1. Part I: Networking Fundamentals—Questions
        2. Part I: Networking Fundamentals—Answers
        3. Part II: LAN Switching—Questions
        4. Part II: LAN Switching—Answers
        5. Part III: IP Routing—Questions
        6. Part III: IP Routing—Answers
        7. Part IV: Wide-Area Networks—Questions
        8. Part IV: Wide-Area Networks—Answers