Introduction to Networks Course Booklet (CCNAv7)

About

Features

• Easy to read, highlight, and review on the go, wherever the Internet is not available
• Extracted directly from the online course, making this the perfect complement to taking the online course
• An icon system directs the reader to the online course to take full advantage of the images, labs, Packet Tracer activities, and dynamic activities

Description

Your Cisco Networking Academy® Course Booklet is designed as a study resource you can easily read, highlight, and review on the go, wherever the Internet is not available or practical:

• The text is extracted directly, word-for-word, from the online course so you can highlight important points and take notes in the Your Chapter Notes section.
• Headings with the exact page correlations provide a quick reference to the online course for your classroom discussions and exam preparation.
• An icon system directs you to the online curriculum to take full advantage of the images embedded within the Networking Academy online course interface and reminds you to do the labs, interactive activities, packet tracer activities, watch videos, and take the chapter quizzes.

The Course Booklet is a basic, economical paper-based resource to help you succeed with the Cisco Networking Academy online course.

This book is offered exclusively for students enrolled in Cisco Networking Academy courses. It is not designed for independent study or professional certification preparation. Visit netacad.com to learn more about program options and requirements.

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Introduction to Networks Companion Guide CCNA v7

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Introduction to Networks Labs & Study Guide CCNA v7

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Sample Content

Table of Contents

Introduction xxxi
Chapter 1 Networking Today 1
Introduction - 1.0 1
    Why should I take this module? - 1.0.1 1
    What will I learn to do in this module? - 1.0.2 1
Networks Affect our Lives - 1.1 2
    Networks Connect Us - 1.1.1 2
    Video - The Cisco Networking Academy Learning Experience - 1.1.2 2
    No Boundaries - 1.1.3 2
Network Components - 1.2 2
    Host Roles - 1.2.1 2
    Peer-to-Peer - 1.2.2 3
    End Devices - 1.2.3 3
    Intermediary Devices - 1.2.4 4
    Network Media - 1.2.5 4
    Check Your Understanding - Network Components - 1.2.6 4
Network Representations and Topologies - 1.3 4
    Network Representations - 1.3.1 4
    Topology Diagrams - 1.3.2 5
        Physical Topology Diagrams 5
        Logical Topology Diagrams 5
    Check Your Understanding - Network Representations and Topologies - 1.3.3 5
Common Types of Networks - 1.4 5
    Networks of Many Sizes - 1.4.1 5
        Small Home Networks 6
        Small Office and Home Office Networks 6
        Medium to Large Networks 6
        World Wide Networks 6
    LANs and WANs - 1.4.2 6
        LANs 7
        WANs 7
    The Internet - 1.4.3 7
    Intranets and Extranets - 1.4.4 8
    Check Your Understanding - Common Types of Networks - 1.4.5 8
Internet Connections - 1.5 8
    Internet Access Technologies - 1.5.1 8
    Home and Small Office Internet Connections - 1.5.2 8
    Businesses Internet Connections - 1.5.3 9
    The Converging Network - 1.5.4 9
        Traditional Separate Networks 9
        Converged Networks 10
    Video - Download and Install Packet Tracer - 1.5.5 10
    Video - Getting Started in Cisco Packet Tracer - 1.5.6 11
    Packet Tracer - Network Representation - 1.5.7 11
Reliable Networks - 1.6 11
    Network Architecture - 1.6.1 11
    Fault Tolerance - 1.6.2 12
    Scalability - 1.6.3 12
    Quality of Service - 1.6.4 12
    Network Security - 1.6.5 13
    Check Your Understanding - Reliable Networks - 1.6.6 13
Network Trends - 1.7 13
    Recent Trends - 1.7.1 13
    Bring Your Own Device (BYOD) - 1.7.2 14
    Online Collaboration - 1.7.3 14
    Video Communications - 1.7.4 14
    Video - Cisco Webex for Huddles - 1.7.5 14
    Cloud Computing - 1.7.6 14
        Cloud Types 15
    Technology Trends in the Home - 1.7.7 15
    Powerline Networking - 1.7.8 16
    Wireless Broadband - 1.7.9 16
        Wireless Internet Service Provider 16
        Wireless Broadband Service 17
    Check Your Understanding - Network Trends - 1.7.10 17
Network Security - 1.8 17
    Security Threats - 1.8.1 17
    Security Solutions - 1.8.2 18
    Check Your Understanding - Network Security - 1.8.3 19
The IT Professional - 1.9 19
    CCNA - 1.9.1 19
    Networking Jobs - 1.9.2 19
    Lab - Research IT and Networking Job Opportunities - 1.9.3 19
Module Practice and Quiz - 1.10 20
    What did I learn in this module? - 1.10.1 20
        Networks Affect our Lives 20
        Network Components 20
        Network Representations and Topologies 20
        Common Types of Networks 20
        Internet Connections 21
        Reliable Networks 21
        Network Trends 21
        Network Security 21
        The IT Professional 22
Chapter Quiz - Networking Today 23
Your Chapter Notes 23
Chapter 2 Basic Switch and End Device Configuration 25
Introduction - 2.0 25
    Why should I take this module? - 2.0.1 25
    What will I learn to do in this module? - 2.0.2 25
Cisco IOS Access - 2.1 25
    Operating Systems - 2.1.1 25
    GUI - 2.1.2 26
    Purpose of an OS - 2.1.3 26
    Access Methods - 2.1.4 27
    Terminal Emulation Programs - 2.1.5 27
        PuTTY 28
        Tera Term 28
        SecureCRT 28
    Check Your Understanding - Cisco IOS Access - 2.1.6 28
IOS Navigation - 2.2 28
    Primary Command Modes - 2.2.1 28
    Configuration Mode and Subconfiguration Modes - 2.2.2 28
    Video - IOS CLI Primary Command Modes - 2.2.3 29
    Navigate Between IOS Modes - 2.2.4 29
    Video - Navigate Between IOS Modes - 2.2.5 30
    A Note About Syntax Checker Activities - 2.2.6 30
    Syntax Checker - Navigate Between IOS Modes - 2.2.7 30
    Check Your Understanding - IOS Navigation - 2.2.8 30
The Command Structure - 2.3 30
    Basic IOS Command Structure - 2.3.1 30
    IOS Command Syntax Check - 2.3.2 31
    IOS Help Features - 2.3.3 31
    Video - Context Sensitive Help and Command Syntax Check - 2.3.4 32
    Hot Keys and Shortcuts - 2.3.5 32
    Video - Hot Keys and Shortcuts - 2.3.6 33
    Packet Tracer - Navigate the IOS - 2.3.7 33
    Lab - Navigate the IOS by Using Tera Term for Console Connectivity - 2.3.8 33
Basic Device Configuration - 2.4 34
    Device Names - 2.4.1 34
    Password Guidelines - 2.4.2 35
    Configure Passwords - 2.4.3 35
    Encrypt Passwords - 2.4.4 36
    Banner Messages - 2.4.5 37
    Video - Secure Administrative Access to a Switch - 2.4.6 37
    Syntax Checker - Basic Device Configuration - 2.4.7 37
    Check Your Understanding - Basic Device Configuration - 2.4.8 38
Save Configurations - 2.5 38
    Configuration Files - 2.5.1 38
    Alter the Running Configuration - 2.5.2 39
    Video - Alter the Running Configuration - 2.5.3 39
    Capture Configuration to a Text File - 2.5.4 39
    Packet Tracer - Configure Initial Switch Settings - 2.5.5 40
Ports and Addresses - 2.6 40
    IP Addresses - 2.6.1 40
    Interfaces and Ports - 2.6.2 41
    Check Your Understanding - Ports and Addresses - 2.6.3 42
Configure IP Addressing - 2.7 42
    Manual IP Address Configuration for End Devices - 2.7.1 42
    Automatic IP Address Configuration for End Devices - 2.7.2 42
    Syntax Checker - Verify Windows PC IP Configuration - 2.7.3 43
    Switch Virtual Interface Configuration - 2.7.4 43
    Syntax Checker - Configure a Switch Virtual Interface - 2.7.5 43
    Packet Tracer - Implement Basic Connectivity - 2.7.6 43
Verify Connectivity - 2.8 43
    Video Activity - Test the Interface Assignment - 2.8.1 43
        Follow Along in Packet Tracer 44
    Video Activity - Test End-to-End Connectivity - 2.8.2 44
        Follow Along in Packet Tracer 44
Module Practice and Quiz - 2.9 44
    Packet Tracer - Basic Switch and End Device Configuration - 2.9.1 44
    Lab - Basic Switch and End Device Configuration - 2.9.2 44
    What did I learn in this module? - 2.9.3 44
Chapter Quiz - Basic Switch and End Device Configuration 46
Your Chapter Notes 46
Chapter 3 Protocols and Models 47
Introduction - 3.0 47
    Why should I take this module? - 3.0.1 47
    What will I learn to do in this module? - 3.0.2 47
    Class Activity - Design a Communications System - 3.0.3 47
The Rules - 3.1 48
    Video - Devices in a Bubble - 3.1.1 48
    Communications Fundamentals - 3.1.2 48
    Communication Protocols - 3.1.3 48
        Analogy 49
        Network 49
    Rule Establishment - 3.1.4 49
    Network Protocol Requirements - 3.1.5 50
    Message Encoding - 3.1.6 50
        Analogy 50
        Network 50
    Message Formatting and Encapsulation - 3.1.7 50
        Analogy 51
        Network 51
    Message Size - 3.1.8 51
        Analogy 51
        Network 51
    Message Timing - 3.1.9 52
    Message Delivery Options - 3.1.10 52
        Analogy 52
        Network 52
    A Note About the Node Icon - 3.1.11 53
    Check Your Understanding - The Rules - 3.1.12 53
Protocols - 3.2 53
    Network Protocol Overview - 3.2.1 53
    Network Protocol Functions - 3.2.2 53
    Protocol Interaction - 3.2.3 54
    Check Your Understanding - Protocols - 3.2.4 54
Protocol Suites - 3.3 54
    Network Protocol Suites - 3.3.1 54
    Evolution of Protocol Suites - 3.3.2 55
    TCP/IP Protocol Example - 3.3.3 55
    TCP/IP Protocol Suite - 3.3.4 55
        Application Layer 55
        Transport layer 56
        Internet Layer 57
        Network Access Layer 57
    TCP/IP Communication Process - 3.3.5 58
    Check Your Understanding - Protocol Suites - 3.3.6 58
Standards Organizations - 3.4 58
    Open Standards - 3.4.1 58
    Internet Standards - 3.4.2 59
    Electronic and Communications Standards - 3.4.3 59
    Lab - Research Networking Standards - 3.4.4 59
    Check Your Understanding - Standards Organizations 60
Reference Models - 3.5 60
    The Benefits of Using a Layered Model - 3.5.1 60
    The OSI Reference Model - 3.5.2 60
    The TCP/IP Protocol Model - 3.5.3 61
    OSI and TCP/IP Model Comparison - 3.5.4 61
    Packet Tracer - Investigate the TCP/IP and OSI Models in Action - 3.5.5 62
Data Encapsulation - 3.6 62
    Segmenting Messages - 3.6.1 62
    Sequencing - 3.6.2 63
    Protocol Data Units - 3.6.3 63
    Encapsulation Example - 3.6.4 63
    De-encapsulation Example - 3.6.5 64
    Check Your Understanding - Data Encapsulation - 3.6.6 64
Data Access - 3.7 64
    Addresses - 3.7.1 64
    Layer 3 Logical Address - 3.7.2 64
    Devices on the Same Network - 3.7.3 65
    Role of the Data Link Layer Addresses: Same IP Network - 3.7.4 65
    Devices on a Remote Network - 3.7.5 66
    Role of the Network Layer Addresses - 3.7.6 66
    Role of the Data Link Layer Addresses: Different IP Networks - 3.7.7 66
    Data Link Addresses - 3.7.8 67
        Host to Router 67
        Router to Router 67
        Router to Server 67
    Lab - Install Wireshark - 3.7.9 67
    Lab - Use Wireshark to View Network Traffic - 3.7.10 67
    Check Your Understanding - Data Access 3.7.11 68
Module Practice and Quiz - 3.8 68
    What did I learn in this module? - 3.8.1 68
        The Rules 68
        Protocols 68
        Protocol Suites 68
        Standards Organizations 69
        Reference Models 69
        Data Encapsulation 69
        Data Access 70
Chapter Quiz - Protocols and Models 71
Your Chapter Notes 71
Chapter 4 Physical Layer 73
Introduction - 4.0 73
    Why should I take this module? - 4.0.1 73
    What will I learn to do in this module? - 4.0.2 73
Purpose of the Physical Layer - 4.1 73
    The Physical Connection - 4.1.1 73
        Network Interface Cards 74
    The Physical Layer - 4.1.2 74
    Check Your Understanding - Purpose of the Physical Layer - 4.1.3 74
Physical Layer Characteristics - 4.2 74
    Physical Layer Standards - 4.2.1 74
    Physical Components - 4.2.2 75
        Physical Components 75
    Encoding - 4.2.3 76
    Signaling - 4.2.4 76
        Copper Cable 76
        Fiber Optic Cable 76
        Wireless Media 76
    Bandwidth - 4.2.5 76
    Bandwidth Terminology - 4.2.6 77
        Latency 77
        Throughput 77
        Goodput 78
    Check Your Understanding - Physical Layer Characteristics - 4.2.7 78
Copper Cabling - 4.3 78
    Characteristics of Copper Cabling - 4.3.1 78
    Types of Copper Cabling - 4.3.2 79
    Unshielded twisted-pair (UTP) - 4.3.3 79
    Shielded twisted-pair (STP) - 4.3.4 79
    Coaxial cable - 4.3.5 79
    Check Your Understanding - Copper Cabling - 4.3.6 80
UTP Cabling - 4.4 80
    Properties of UTP Cabling - 4.4.1 80
    UTP Cabling Standards and Connectors - 4.4.2 81
    Straight-through and Crossover UTP Cables - 4.4.3 82
        Cable Types and Standards 82
    Activity - Cable Pinouts - 4.4.4 83
Fiber-Optic Cabling - 4.5 83
    Properties of Fiber-Optic Cabling - 4.5.1 83
    Types of Fiber Media - 4.5.2 83
        Single-Mode Fiber 83
        Multimode Fiber 83
    Fiber-Optic Cabling Usage - 4.5.3 84
    Fiber-Optic Connectors - 4.5.4 84
        Straight-Tip (ST) Connectors 84
        Subscriber Connector (SC) Connectors 84
        Lucent Connector (LC) Simplex Connectors 84
        Duplex Multimode LC Connectors 85
    Fiber Patch Cords - 4.5.5 85
        SC-SC Multimode Patch Cord 85
        LC-LC Single-mode Patch Cord 85
        ST-LC Multimode Patch Cord 85
        SC-ST Single-mode Patch Cord 85
    Fiber versus Copper - 4.5.6 85
        UTP and Fiber-Optic Cabling Comparison 85
    Check Your Understanding - Fiber-Optic Cabling - 4.5.7 86
Wireless Media - 4.6 86
    Properties of Wireless Media - 4.6.1 86
    Types of Wireless Media - 4.6.2 87
    Wireless LAN - 4.6.3 87
    Check Your Understanding - Wireless Media - 4.6.4 88
    Packet Tracer - Connect a Wired and Wireless LAN - 4.6.5 88
    Lab - View Wired and Wireless NIC Information - 4.6.6 88
Module Practice and Quiz - 4.7 88
    Packet Tracer - Connect the Physical Layer - 4.7.1 88
    What did I learn in this module? - 4.7.2 88
        Purpose of the Physical Layer 88
        Physical Layer Characteristics 89
        Copper Cabling 89
        UTP Cabling 89
        Fiber-Optic Cabling 89
        Wireless Media 90
Chapter Quiz - Physical Layer 91
Your Chapter Notes 91
Chapter 5 Number Systems 93
Introduction - 5.0 93
    Why should I take this module? - 5.0.1 93
    What will I learn to do in this module? - 5.0.2 93
Binary Number System - 5.1 93
    Binary and IPv4 Addresses - 5.1.1 93
    Video - Converting Between Binary and Decimal Numbering Systems - 5.1.2 94
    Binary Positional Notation - 5.1.3 94
    Check Your Understanding - Binary Number System - 5.1.4 95
    Convert Binary to Decimal - 5.1.5 95
    Activity - Binary to Decimal Conversions - 5.1.6 96
    Decimal to Binary Conversion - 5.1.7 97
        128 97
        64 97
        32 97
        16 97
        8 97
        4 98
        2 98
        1 98
    Decimal to Binary Conversion Example - 5.1.8 98
        Step 1 98
        Step 2 99
        Step 3 99
        Step 4 99
        Step 5 99
        Step 6 99
        Step 7 99
        Step 8 99
        Step 9 99
        Step 10 99
        Step 11 99
    Activity - Decimal to Binary Conversions - 5.1.9 100
    Activity - Binary Game - 5.1.10 100
    IPv4 Addresses - 5.1.11 100
        Dotted Decimal Address 100
        Octets 100
        32-bit Address 100
Hexadecimal Number System - 5.2 100
    Hexadecimal and IPv6 Addresses - 5.2.1 100
    Video - Converting Between Hexadecimal and
    Decimal Numbering Systems - 5.2.2 101
    Decimal to Hexadecimal Conversions - 5.2.3 101
    Hexadecimal to Decimal Conversion - 5.2.4 101
    Check Your Understanding - Hexadecimal Number System - 5.2.5 102
Module Practice and Quiz 102
    What did I learn in this module? - 5.3.1 102
        Binary Number System 102
        Hexadecimal Number System 102
Chapter Quiz - Number Systems 103
Your Chapter Notes 103
Chapter 6 Data Link Layer 105
Introduction - 6.0 105
    Why should I take this module? - 6.0.1 105
    What will I learn to do in this module? - 6.0.2 105
Purpose of the Data Link Layer - 6.1 105
    The Data Link Layer - 6.1.1 105
    IEEE 802 LAN/MAN Data Link Sublayers - 6.1.2 106
    Providing Access to Media - 6.1.3 107
    Data Link Layer Standards - 6.1.4 107
    Check Your Understanding - Purpose of the Data Link Layer - 6.1.5 108
Topologies - 6.2 108
    Physical and Logical Topologies - 6.2.1 108
    WAN Topologies - 6.2.2 108
        Point-to-Point 108
        Hub and Spoke 108
        Mesh 109
    Point-to-Point WAN Topology - 6.2.3 109
    LAN Topologies - 6.2.4 109
        Legacy LAN Topologies 109
    Half and Full Duplex Communication - 6.2.5 110
        Half-duplex communication 110
        Full-duplex communication 110
    Access Control Methods - 6.2.6 110
        Contention-based access 110
        Controlled access 111
    Contention-Based Access - CSMA/CD - 6.2.7 111
        PC1 Sends a Frame 111
        The Hub Receives the Frame 112
        The Hub Sends the Frame 112
    Contention-Based Access - CSMA/CA - 6.2.8 112
    Check Your Understanding - Topologies - 6.2.9 112
Data Link Frame - 6.3 112
    The Frame - 6.3.1 112
    Frame Fields - 6.3.2 113
    Layer 2 Addresses - 6.3.3 114
        Host-to-Router 114
        Router-to-Router 114
        Router-to-Host 114
    LAN and WAN Frames - 6.3.4 115
    Check Your Understanding - Data Link Frame - 6.3.5 116
Module Practice and Quiz - 6.4 116
    What did I learn in this module? - 6.4.1 116
        Purpose of the Data Link Layer 116
        Topologies 116
        Data Link Frame 116
Chapter Quiz - Data Link Layer 118
Your Chapter Notes 118
Chapter 7 Ethernet Switching 119
Introduction - 7.0 119
    Why should I take this module? - 7.0.1 119
    What will I learn to do in this module? - 7.0.2 119
Ethernet Frames - 7.1 119
    Ethernet Encapsulation - 7.1.1 119
    Data Link Sublayers - 7.1.2 120
    MAC Sublayer - 7.1.3 120
        Data Encapsulation 120
        Accessing the Media 121
    Ethernet Frame Fields - 7.1.4 121
        Ethernet Frame Fields Detail 121
    Check Your Understanding - Ethernet Switching - 7.1.5 122
    Lab - Use Wireshark to Examine Ethernet Frames - 7.1.6 122
Ethernet MAC Address - 7.2 122
    MAC Address and Hexadecimal - 7.2.1 122
    Ethernet MAC Address - 7.2.2 123
    Frame Processing - 7.2.3 123
    Unicast MAC Address - 7.2.4 124
    Broadcast MAC Address - 7.2.5 124
    Multicast MAC Address - 7.2.6 125
    Lab - View Network Device MAC Addresses - 7.2.7 126
The MAC Address Table - 7.3 126
    Switch Fundamentals - 7.3.1 126
    Switch Learning and Forwarding - 7.3.2 126
        Learn 127
        Forward 127
    Filtering Frames - 7.3.3 127
        PC-D to Switch 127
        Switch to PC-A 128
        PC-A to Switch to PC-D 128
    Video - MAC Address Tables on Connected Switches - 7.3.4 128
    Video - Sending the Frame to the Default Gateway - 7.3.5 128
    Activity - Switch It! - 7.3.6 128
    Lab - View the Switch MAC Address Table - 7.3.7 128
Switch Speeds and Forwarding Methods - 7.4 129
    Frame Forwarding Methods on Cisco Switches - 7.4.1 129
    Cut-Through Switching - 7.4.2 129
    Memory Buffering on Switches - 7.4.3 130
        Memory Buffering Methods 130
    Duplex and Speed Settings - 7.4.4 131
    Auto-MDIX - 7.4.5 131
    Check Your Understanding - Switch Speeds and Forwarding Methods - 7.4.6 132
Module Practice and Quiz - 7.5 132
    What did I learn in this module? - 7.5.1 132
        Ethernet Frame 132
        Ethernet MAC Address 132
        The MAC Address Table 132
        Switch Speeds and Forwarding Methods 133
Chapter Quiz - Ethernet Switching 134
Your Chapter Notes 134
Chapter 8 Network Layer 135
Introduction - 8.0 135
    Why should I take this module? - 8.0.1 135
    What will I learn to do in this module? - 8.0.2 135
Network Layer Characteristics - 8.1 135
    The Network Layer - 8.1.1 135
    IP Encapsulation - 8.1.2 136
    Characteristics of IP - 8.1.3 137
    Connectionless - 8.1.4 137
    Best Effort - 8.1.5 137
    Media Independent - 8.1.6 137
    Check Your Understanding - IP Characteristics - 8.1.7 138
IPv4 Packet - 8.2 138
    IPv4 Packet Header - 8.2.1 138
    IPv4 Packet Header Fields - 8.2.2 138
    Video - Sample IPv4 Headers in Wireshark - 8.2.3 139
    Check Your Understanding - IPv4 Packet - 8.2.4 139
IPv6 Packet - 8.3 139
    Limitations of IPv4 - 8.3.1 139
    IPv6 Overview - 8.3.2 139
    IPv4 Packet Header Fields in the IPv6 Packet Header - 8.3.3 140
    IPv6 Packet Header - 8.3.4 140
    Video - Sample IPv6 Headers in Wireshark - 8.3.5 140
    Check Your Understanding - IPv6 Packet - 8.3.6 141
How a Host Routes - 8.4 141
    Host Forwarding Decision - 8.4.1 141
    Default Gateway - 8.4.2 142
    A Host Routes to the Default Gateway - 8.4.3 142
    Host Routing Tables - 8.4.4 142
        IPv4 Routing Table for PC1 142
    Check Your Understanding - How a Host Routes - 8.4.5 143
Introduction to Routing - 8.5 143
    Router Packet Forwarding Decision - 8.5.1 143
        R1 Routing Table 144
    IP Router Routing Table - 8.5.2 144
    Static Routing - 8.5.3 144
    Dynamic Routing - 8.5.4 145
    Video- IPv4 Router Routing Tables - 8.5.5 146
    Introduction to an IPv4 Routing Table - 8.5.6 146
    Check Your Understanding - Introduction to Routing - 8.5.7 147
Module Practice and Quiz - 8.6 147
    What did I learn in this module? - 8.6.1 147
        Network Layer Characteristics 147
        IPv4 Packet 148
        IPv6 Packet 148
        How a Host Routes 148
        Introduction to Routing 148
Chapter Quiz - Network Layer 150
Your Chapter Notes 150
Chapter 9 Address Resolution 151
Introduction - 9.0 151
    Why should I take this module? - 9.0.1 151
    What will I learn to do in this module? - 9.0.2 151
MAC and IP - 9.1 151
    Destination on Same Network - 9.1.1 151
    Destination on Remote Network - 9.1.2 152
    Packet Tracer - Identify MAC and IP Addresses - 9.1.3 153
    Check Your Understanding - MAC and IP - 9.1.4 153
ARP - 9.2 153
    ARP Overview - 9.2.1 153
    ARP Functions - 9.2.2 153
    Video - ARP Request - 9.2.3 154
    Video - ARP Operation - ARP Reply - 9.2.4 155
    Video - ARP Role in Remote Communications - 9.2.5 155
    Removing Entries from an ARP Table - 9.2.6 156
    ARP Tables on Networking Devices - 9.2.7 156
    ARP Issues - ARP Broadcasts and ARP Spoofing - 9.2.8 157
    Packet Tracer - Examine the ARP Table - 9.2.9 157
    Check Your Understanding - ARP - 9.2.10 157
IPv6 Neighbor Discovery - 9.3 157
    Video - IPv6 Neighbor Discovery - 9.3.1 157
    IPv6 Neighbor Discovery Messages - 9.3.2 157
    IPv6 Neighbor Discovery - Address Resolution - 9.3.3 158
    Packet Tracer - IPv6 Neighbor Discovery - 9.3.4 158
    Check Your Understanding - Neighbor Discovery - 9.3.5 159
Module Practice and Quiz - 9.4 159
    What did I learn in this module? - 9.4.1 159
        MAC and IP 159
        ARP 159
        Neighbor Discovery 159
Chapter Quiz - Address Resolution 160
Your Chapter Notes 160
Chapter 10 Basic Router Configuration 161
Introduction - 10.0 161
    Why should I take this module? - 10.0.1 161
    What will I learn in this module? - 10.0.2 161
Configure Initial Router Settings - 10.1 161
    Basic Router Configuration Steps - 10.1.1 161
    Basic Router Configuration Example - 10.1.2 162
    Syntax Checker - Configure Initial Router Settings - 10.1.3 164
    Packet Tracer - Configure Initial Router Settings - 10.1.4 164
Configure Interfaces - 10.2 164
    Configure Router Interfaces - 10.2.1 164
    Configure Router Interfaces Example - 10.2.2 165
    Verify Interface Configuration - 10.2.3 166
    Configuration Verification Commands - 10.2.4 167
        show ip interface brief 167
        show ipv6 interface brief 167
        show ip route 168
        show ipv6 route 168
        show interfaces 169
        show ip interface 170
        show ipv6 interface 171
    Syntax Checker - Configure Interfaces - 10.2.5 172
Configure the Default Gateway - 10.3 172
    Default Gateway on a Host - 10.3.1 172
    Default Gateway on a Switch - 10.3.2 172
    Syntax Checker - Configure the Default Gateway - 10.3.3 173
    Packet Tracer - Connect a Router to a LAN - 10.3.4 173
    Packet Tracer - Troubleshoot Default Gateway Issues - 10.3.5 173
Module Practice and Quiz - 10.4 174
    Video - Network Device Differences: Part 1 - 10.4.1 174
    Video - Network Device Differences: Part 2 - 10.4.2 174
    Packet Tracer - Basic Device Configuration - 10.4.3 174
    Lab - Build a Switch and Router Network - 10.4.4 174
    What did I learn in this module? - 10.4.5 174
        Configure Initial Router Settings 174
        Configure Interfaces 175
        Configure the Default Gateway 175
Chapter Quiz - Basic Router Configuration 176
Your Chapter Notes 176
Chapter 11 IPv4 Addressing 177
Introduction - 11.0 177
    Why should I take this module? - 11.0.1 177
    What will I learn to do in this module? - 11.0.2 177
IPv4 Address Structure - 11.1 178
    Network and Host Portions - 11.1.1 178
    The Subnet Mask - 11.1.2 178
    The Prefix Length - 11.1.3 178
        Comparing the Subnet Mask and Prefix Length 179
    Determining the Network: Logical AND - 11.1.4 179
    Video - Network, Host and Broadcast Addresses - 11.1.5 180
    Network, Host, and Broadcast Addresses - 11.1.6 180
        Network address 180
        Network, Host, and Broadcast Addresses 181
    Activity - ANDing to Determine the Network Address - 11.1.7 182
    Check Your Understanding - IPv4 Address Structure - 11.1.8 182
IPv4 Unicast, Broadcast, and Multicast - 11.2 182
    Unicast - 11.2.1 182
    Broadcast - 11.2.2 182
        IP Directed Broadcasts 183
    Multicast - 11.2.3 183
    Activity - Unicast, Broadcast, or Multicast - 11.2.4 183
Types of IPv4 Addresses - 11.3 184
    Public and Private IPv4 Addresses - 11.3.1 184
        The Private Address Blocks 184
    Routing to the Internet - 11.3.2 184
    Activity - Pass or Block IPv4 Addresses - 11.3.3 185
    Special Use IPv4 Addresses - 11.3.4 185
        Loopback addresses 185
        Pinging the Loopback Interface 185
        Link-Local addresses 186
    Legacy Classful Addressing - 11.3.5 186
    Assignment of IP Addresses - 11.3.6 187
    Activity - Public or Private IPv4 Address - 11.3.7 187
    Check Your Understanding - Types of IPv4 Addresses - 11.3.8 187
Network Segmentation - 11.4 187
    Broadcast Domains and Segmentation - 11.4.1 187
    Problems with Large Broadcast Domains - 11.4.2 188
    Reasons for Segmenting Networks - 11.4.3 188
        Location 189
        Group or Function 189
        Device Type 189
    Check Your Understanding - Network Segmentation - 11.4.4 189
Subnet an IPv4 Network - 11.5 189
    Subnet on an Octet Boundary - 11.5.1 189
        Subnet Masks on Octet Boundaries 190
        Subnetting Network 10.0.0.0/8 using a /16 190
        Subnetting Network 10.0.0.0/8 using a /24 Prefix 191
    Subnet within an Octet Boundary - 11.5.2 191
        Subnet a /24 Network 191
    Video - The Subnet Mask - 11.5.3 192
    Video - Subnet with the Magic Number - 11.5.4 192
    Packet Tracer - Subnet an IPv4 Network - 11.5.5 192
Subnet a Slash 16 and a Slash 8 Prefix - 11.6 192
    Create Subnets with a Slash 16 prefix - 11.6.1 192
        Subnet a /16 Network 193
    Create 100 Subnets with a Slash 16 prefix - 11.6.2 193
    Create 1000 Subnets with a Slash 8 prefix - 11.6.3 194
    Video - Subnet Across Multiple Octets - 11.6.4 194
    Activity - Calculate the Subnet Mask - 11.6.5 195
    Lab - Calculate IPv4 Subnets - 11.6.6 195
Subnet to Meet Requirements - 11.7 195
    Subnet Private versus Public IPv4 Address Space - 11.7.1 195
        Subnetting Network 10.0.0.0/8 using a /16 195
        Subnetting Network 10.0.0.0/8 using a /24 196
    Minimize Unused Host IPv4 Addresses and Maximize Subnets - 11.7.2 197
        Subnetting a /24 Network 197
    Example: Efficient IPv4 Subnetting - 11.7.3 198
    Activity - Determine the Number of Bits to Borrow - 11.7.4 198
    Packet Tracer - Subnetting Scenario - 11.7.5 198
VLSM - 11.8 199
    Video - VLSM Basics - 11.8.1 199
    Video - VLSM Example - 11.8.2 199
    IPv4 Address Conservation - 11.8.3 199
    VLSM - 11.8.4 200
    VLSM Topology Address Assignment - 11.8.5 201
    Activity - VLSM Practice - 11.8.6 201
Structured Design - 11.9 201
    IPv4 Network Address Planning - 11.9.1 201
    Device Address Assignment - 11.9.2 202
    Packet Tracer - VLSM Design and Implementation Practice - 11.9.3 203
Module Practice and Quiz - 11.10 203
    Packet Tracer - Design and Implement a VLSM Addressing Scheme - 11.10.1 203
    Lab - Design and Implement a VLSM Addressing Scheme - 11.10.2 203
    What did I learn in this module? - 11.10.3 203
        IPv4 Addressing Structure 203
        IPv4 Unicast, Broadcast, and Multicast 204
        Types of IPv4 Addresses 204
        Network Segmentation 204
        Subnet an IPv4 Network 204
        Subnet a /16 and a /8 Prefix 205
        Subnet to Meet Requirements 205
        Variable Length Subnet Masking 205
        Structured Design 205
Chapter Quiz - IPv4 Addressing 206
Your Chapter Notes 206
Chapter 12 IPv6 Addressing 207
Introduction - 12.0 207
    Why should I take this module? - 12.0.1 207
    What will I learn in this module? - 12.0.2 207
IPv4 Issues - 12.1 207
    Need for IPv6 - 12.1.1 207
        Internet of Things 208
    IPv4 and IPv6 Coexistence - 12.1.2 208
        Dual Stack 208
        Tunneling 208
        Translation 209
    Check Your Understanding - IPv4 Issues - 12.1.3 209
IPv6 Address Representation - 12.2 209
    IPv6 Addressing Formats - 12.2.1 209
        Preferred Format 209
    Rule 1 - Omit Leading Zeros - 12.2.2 210
        Omitting Leading 0s 210
    Rule 2 - Double Colon - 12.2.3 211
        Omitting Leading 0s and All 0 Segments 211
    Activity - IPv6 Address Representation - 12.2.4 212
IPv6 Address Types - 12.3 212
    Unicast, Multicast, Anycast - 12.3.1 212
    IPv6 Prefix Length - 12.3.2 213
    Types of IPv6 Unicast Addresses - 12.3.3 213
    A Note About the Unique Local Address - 12.3.4 213
    IPv6 GUA - 12.3.5 214
    IPv6 GUA Structure - 12.3.6 214
        Global Routing Prefix 214
        Subnet ID 215
        Interface ID 215
    IPv6 LLA - 12.3.7 215
    Check Your Understanding - IPv6 Address Types - 12.3.8 216
GUA and LLA Static Configuration - 12.4 216
    Static GUA Configuration on a Router - 12.4.1 216
        IPv6 GUA Configuration on Router R1 217
    Static GUA Configuration on a Windows Host - 12.4.2 217
    Static Configuration of a Link-Local Unicast Address - 12.4.3 217
    Syntax Checker - GUA and LLA Static Configuration - 12.4.4 218
Dynamic Addressing for IPv6 GUAs - 12.5 218
    RS and RA Messages - 12.5.1 218
    Method 1: SLAAC - 12.5.2 219
    Method 2: SLAAC and Stateless DHCPv6 - 12.5.3 220
    Method 3: Stateful DHCPv6 - 12.5.4 220
    EUI-64 Process vs. Randomly Generated - 12.5.5 220
    EUI-64 Process - 12.5.6 220
        EUI-64 Generated Interface ID 221
    Randomly Generated Interface IDs - 12.5.7 221
        Random 64-bit Generated Interface ID 222
    Check Your Understanding - Dynamic Addressing for IPv6 GUAs - 12.5.8 222
Dynamic Addressing for IPv6 LLAs - 12.6 222
    Dynamic LLAs - 12.6.1 222
    Dynamic LLAs on Windows - 12.6.2 222
        EUI-64 Generated Interface ID 222
        Random 64-bit Generated Interface ID 223
    Dynamic LLAs on Cisco Routers - 12.6.3 223
        IPv6 LLA Using EUI-64 on Router R1 223
    Verify IPv6 Address Configuration - 12.6.4 224
        show ipv6 interface brief 224
        show ipv6 route 225
        ping 226
    Syntax Checker - Verify IPv6 Address Configuration - 12.6.5 226
    Packet Tracer - Configure IPv6 Addressing - 12.6.6 226
IPv6 Multicast Addresses - 12.7 226
    Assigned IPv6 Multicast Addresses - 12.7.1 226
    Well-Known IPv6 Multicast Addresses - 12.7.2 227
    Solicited-Node IPv6 Multicast Addresses - 12.7.3 227
    Lab - Identify IPv6 Addresses - 12.7.4 227
Subnet an IPv6 Network - 12.8 227
    Subnet Using the Subnet ID - 12.8.1 227
    IPv6 Subnetting Example - 12.8.2 228
    IPv6 Subnet Allocation - 12.8.3 228
    Router Configured with IPv6 Subnets - 12.8.4 228
        IPv6 Address Configuration on Router R1 228
    Check Your Understanding - Subnet an IPv6 Network - 12.8.5 229
Module Practice and Quiz - 12.9 229
    Packet Tracer - Implement a Subnetted IPv6 Addressing Scheme - 12.9.1 229
    Lab - Configure IPv6 Addresses on Network Devices - 12.9.2 229
    What did I learn in this module? - 12.9.3 229
        IPv4 Issues 229
        IPv6 Address Representation 229
        IPv6 Address Types 230
        GUA and LLA Static Configuration 230
        Dynamic Addressing for IPv6 GUAs 230
        Dynamic Addressing for IPv6 LLAs 231
        IPv6 Multicast Addresses 231
        Subnet an IPv6 Network 231
Chapter Quiz - IPv6 Addressing 232
Your Chapter Notes 232
Chapter 13 ICMP 233
Introduction - 13.0 233
    Why should I take this module? - 13.0.1 233
    What will I learn in this module? - 13.0.2 233
ICMP Messages - 13.1 233
    ICMPv4 and ICMPv6 Messages - 13.1.1 233
    Host Reachability - 13.1.2 234
    Destination or Service Unreachable - 13.1.3 234
    Time Exceeded - 13.1.4 234
    ICMPv6 Messages - 13.1.5 235
        RA Message 235
        RS Message 235
        NS Message 235
        NA Message 236
    Check Your Understanding - ICMP Messages - 13.1.6 236
Ping and Traceroute Tests - 13.2 236
    Ping - Test Connectivity - 13.2.1 236
    Ping the Loopback - 13.2.2 237
    Ping the Default Gateway - 13.2.3 237
    Ping a Remote Host - 13.2.4 237
    Traceroute - Test the Path - 13.2.5 238
        Round Trip Time (RTT) 238
        IPv4 TTL and IPv6 Hop Limit 238
    Packet Tracer - Verify IPv4 and IPv6 Addressing - 13.2.6 238
    Packet Tracer - Use Ping and Traceroute to Test Network
    Connectivity - 13.2.7 238
Module Practice and Quiz - 13.3 239
    Packet Tracer - Use ICMP to Test and Correct Network
    Connectivity - 13.3.1 239
    Lab - Use Ping and Traceroute to Test Network Connectivity - 13.3.2 239
    What did I learn in this module? - 13.3.3 239
        ICMP Messages 239
        Ping and Traceroute Testing 240
Chapter Quiz - ICMP 241
Your Chapter Notes 241
Chapter 14 Transport Layer 243
Introduction - 14.0 243
    Why should I take this module? - 14.0.1 243
    What will I learn to do in this module? - 14.0.2 243
Transportation of Data - 14.1 244
    Role of the Transport Layer - 14.1.1 244
    Transport Layer Responsibilities - 14.1.2 244
        Tracking Individual Conversations 244
        Segmenting Data and Reassembling Segments 244
        Add Header Information 244
        Identifying the Applications 245
        Conversation Multiplexing 245
    Transport Layer Protocols - 14.1.3 245
    Transmission Control Protocol (TCP) - 14.1.4 245
    User Datagram Protocol (UDP) - 14.1.5 246
    The Right Transport Layer Protocol for the Right Application - 14.1.6 247
    Check Your Understanding - Transportation of Data - 14.1.7 248
TCP Overview - 14.2 248
    TCP Features - 14.2.1 248
    TCP Header - 14.2.2 248
    TCP Header Fields - 14.2.3 249
    Applications that use TCP - 14.2.4 249
    Check Your Understanding - TCP Overview - 14.2.5 249
UDP Overview - 14.3 249
    UDP Features - 14.3.1 249
    UDP Header - 14.3.2 250
    UDP Header Fields - 14.3.3 250
    Applications that use UDP - 14.3.4 250
    Check Your Understanding - UDP Overview - 14.3.5 251
Port Numbers - 14.4 251
    Multiple Separate Communications - 14.4.1 251
    Socket Pairs - 14.4.2 251
    Port Number Groups - 14.4.3 252
        Well-Known Port Numbers 253
    The netstat Command - 14.4.4 253
    Check Your Understanding - Port Numbers - 14.4.5 254
TCP Communication Process - 14.5 254
    TCP Server Processes - 14.5.1 254
        Clients Sending TCP Requests 254
        Request Destination Ports 254
        Request Source Ports 254
        Response Destination Ports 254
        Response Source Ports 255
    TCP Connection Establishment - 14.5.2 255
        Step 1. SYN 255
        Step 2. ACK and SYN 255
        Step 3. ACK 255
    Session Termination - 14.5.3 255
        Step 1. FIN 255
        Step 2. ACK 255
        Step 3. FIN 255
        Step 4. ACK 256
    TCP Three-way Handshake Analysis - 14.5.4 256
    Video - TCP 3-Way Handshake - 14.5.5 256
    Check Your Understanding - TCP Communication Process - 14.5.6 257
Reliability and Flow Control - 14.6 257
    TCP Reliability - Guaranteed and Ordered Delivery - 14.6.1 257
    Video - TCP Reliability - Sequence Numbers and Acknowledgments - 14.6.2 257
    TCP Reliability - Data Loss and Retransmission - 14.6.3 257
    Video - TCP Reliability - Data Loss and Retransmission - 14.6.4 258
    TCP Flow Control - Window Size and Acknowledgments - 14.6.5 258
    TCP Flow Control - Maximum Segment Size (MSS) - 14.6.6 259
    TCP Flow Control - Congestion Avoidance - 14.6.7 259
    Check Your Understanding - Reliability and Flow Control - 14.6.8 260
UDP Communication - 14.7 260
    UDP Low Overhead versus Reliability - 14.7.1 260
    UDP Datagram Reassembly - 14.7.2 260
    UDP Server Processes and Requests - 14.7.3 260
    UDP Client Processes - 14.7.4 261
        Clients Sending UDP Requests 261
        UDP Request Destination Ports 261
        UDP Request Source Ports 261
        UDP Response Destination 261
        UDP Response Source Ports 261
    Check Your Understanding - UDP Communication - 14.7.5 261
Module Practice and Quiz - 14.8 261
    Packet Tracer - TCP and UDP Communications - 14.8.1 261
    What did I learn in this module? - 14.8.2 262
        Transportation of Data 262
        TCP Overview 262
        UPD Overview 262
        Port Numbers 262
        TCP Communications Process 262
        Reliability and Flow Control 263
        UPD Communication 263
Chapter Quiz - Transport Layer 264
Your Chapter Notes 264
Chapter 15 Application Layer 265
Introduction - 15.0 265
    Why should I take this module? - 15.0.1 265
    What will I learn to do in this module? - 15.0.2 265
Application, Presentation, and Session - 15.1 265
    Application Layer - 15.1.1 265
    Presentation and Session Layer - 15.1.2 266
        Presentation Layer 266
        Session Layer 266
    TCP/IP Application Layer Protocols - 15.1.3 266
        Name System 266
        Host Config 267
        Email 267
        File Transfer 267
        Web 268
    Check Your Understanding - Application, Session, Presentation - 15.1.4 268
Peer-to-Peer - 15.2 268
    Client-Server Model - 15.2.1 268
    Peer-to-Peer Networks - 15.2.2 269
    Peer-to-Peer Applications - 15.2.3 269
    Common P2P Applications - 15.2.4 269
    Check Your Understanding - Peer-to-Peer - 15.2.5 270
Web and Email Protocols - 15.3 270
    Hypertext Transfer Protocol and Hypertext Markup Language - 15.3.1 270
        Step 1 270
        Step 2 270
        Step 3 271
        Step 4 271
    HTTP and HTTPS - 15.3.2 271
    Email Protocols - 15.3.3 271
    SMTP, POP, and IMAP - 15.3.4 272
        SMTP 272
        POP 272
        IMAP 272
    Check Your Understanding - Web and Email Protocols - 15.3.5 273
IP Addressing Services - 15.4 273
    Domain Name Service - 15.4.1 273
        Step 1 273
        Step 2 273
        Step 3 273
        Step 4 273
        Step 5 273
    DNS Message Format - 15.4.2 274
    DNS Hierarchy - 15.4.3 274
    The nslookup Command - 15.4.4 275
    Syntax Checker - The nslookup Command - 15.4.5 275
    Dynamic Host Configuration Protocol - 15.4.6 275
    DHCP Operation - 15.4.7 276
    Lab - Observe DNS Resolution - 15.4.8 277
    Check Your Understanding - IP Addressing Services - 15.4.9 277
File Sharing Services - 15.5 277
    File Transfer Protocol - 15.5.1 277
    Server Message Block - 15.5.2 277
    Check Your Understanding - File Sharing Services - 15.5.3 278
Module Practice and Quiz - 15.6 278
    What did I learn in this module? - 15.6.1 278
        Application, Presentation, and Session 278
        Peer-to-Peer 278
        Web and Email Protocols 279
        IP Addressing Services 279
        File Sharing Services 279
Chapter Quiz - Application Layer 280
Your Chapter Notes 280
Chapter 16 Network Security Fundamentals 281
Introduction - 16.0 281
    Why should I take this module? - 16.0.1 281
    What will I learn to do in this module? - 16.0.2 281
Security Threats and Vulnerabilities - 16.1 281
    Types of Threats - 16.1.1 281
        Information Theft 282
        Data Loss and Manipulation 282
        Identity Theft 282
        Disruption of Service 282
    Types of Vulnerabilities - 16.1.2 282
        Technological Vulnerabilities 283
        Configuration Vulnerabilities 283
        Policy Vulnerabilities 283
    Physical Security - 16.1.3 283
    Check Your Understanding - Security Threats and Vulnerabilities - 16.1.4 283
Network Attacks - 16.2 283
    Types of Malware - 16.2.1 283
        Viruses 283
        Worms 284
        Trojan Horses 284
    Reconnaissance Attacks - 16.2.2 284
        Internet Queries 285
        Ping Sweeps 285
        Port Scans 285
    Access Attacks - 16.2.3 285
        Password Attacks 285
        Trust Exploitation 285
        Port Redirection 285
        Man-in-the-Middle 286
    Denial of Service Attacks - 16.2.4 286
        DoS Attack 286
        DDoS Attack 286
    Check Your Understanding - Network Attacks - 16.2.5 286
    Lab - Research Network Security Threats - 16.2.6 286
Network Attack Mitigations - 16.3 286
    The Defense-in-Depth Approach - 16.3.1 286
    Keep Backups - 16.3.2 287
    Upgrade, Update, and Patch - 16.3.3 287
    Authentication, Authorization, and Accounting - 16.3.4 288
    Firewalls - 16.3.5 288
    Types of Firewalls - 16.3.6 288
    Endpoint Security - 16.3.7 289
    Check Your Understanding - Network Attack Mitigation - 16.3.8 289
Device Security - 16.4 289
    Cisco AutoSecure - 16.4.1 289
    Passwords - 16.4.2 290
        Weak Passwords 290
        Strong Passwords 290
    Additional Password Security - 16.4.3 291
    Enable SSH - 16.4.4 292
    Disable Unused Services - 16.4.5 293
    Packet Tracer - Configure Secure Passwords and SSH - 16.4.6 294
    Lab - Configure Network Devices with SSH - 16.4.7 294
Module Practice and Quiz - 16.5 294
    Packet Tracer - Secure Network Devices - 16.5.1 294
    Lab - Secure Network Devices - 16.5.2 294
    What did I learn in this module? - 16.5.3 294
        Security Threats and Vulnerabilities 294
        Network Attacks 294
        Network Attack Mitigation 295
        Device Security 295
Chapter Quiz - Network Security Fundamentals 296
Your Chapter Notes 296
Chapter 17 Build a Small Network 297
Introduction - 17.0 297
    Why should I take this module? - 17.0.1 297
    What will I learn to do in this module? - 17.0.2 297
Devices in a Small Network - 17.1 297
    Small Network Topologies - 17.1.1 297
    Device Selection for a Small Network - 17.1.2 298
        Cost 298
        Speed and Types of Ports/Interfaces 298
        Expandability 298
        Operating System Features and Services 299
    IP Addressing for a Small Network - 17.1.3 299
    Redundancy in a Small Network - 17.1.4 300
    Traffic Management - 17.1.5 300
    Check Your Understanding - Devices in a Small Network - 17.1.6 300
Small Network Applications and Protocols - 17.2 300
    Common Applications - 17.2.1 300
        Network Applications 301
        Application Layer Services 301
    Common Protocols - 17.2.2 301
        Web Server 302
        Email Server 302
        FTP Server 302
        DHCP Server 302
        DNS Server 302
    Voice and Video Applications - 17.2.3 303
        Infrastructure 303
        VoIP 303
        IP Telephony 303
        Real-Time Applications 303
    Check Your Understanding - Small Network Applications and
    Protocols - 17.2.4 303
Scale to Larger Networks - 17.3 303
    Small Network Growth - 17.3.1 303
    Protocol Analysis - 17.3.2 304
    Employee Network Utilization - 17.3.3 304
    Check Your Understanding - Scale to Larger Networks - 17.3.4 305
Verify Connectivity - 17.4 305
    Verify Connectivity with Ping - 17.4.1 305
        IOS Ping Indicators 306
    Extended Ping - 17.4.2 307
    Verify Connectivity with Traceroute - 17.4.3 308
    Extended Traceroute - 17.4.4 309
    Network Baseline - 17.4.5 310
    Lab - Test Network Latency with Ping and Traceroute - 17.4.6 312
Host and IOS Commands - 17.5 312
    IP Configuration on a Windows Host - 17.5.1 312
    IP Configuration on a Linux Host - 17.5.2 314
    IP Configuration on a macOS Host - 17.5.3 315
    The arp Command - 17.5.4 316
    Common show Commands Revisited - 17.5.5 317
        show running-config 317
        show interfaces 318
        show ip interface 319
        show arp 320
        show ip route 321
        show protocols 321
        show version 322
    The show cdp neighbors Command - 17.5.6 323
    The show ip interface brief Command - 17.5.7 324
        Verify Switch Interfaces 324
    Video - The show version Command - 17.5.8 325
    Packet Tracer - Interpret show Command Output - 17.5.9 325
Troubleshooting Methodologies - 17.6 325
    Basic Troubleshooting Approaches - 17.6.1 325
    Resolve or Escalate? - 17.6.2 326
    The debug Command - 17.6.3 326
    The terminal monitor Command - 17.6.4 328
    Check Your Understanding - Troubleshooting Methodologies - 17.6.5 329
Troubleshooting Scenarios - 17.7 329
    Duplex Operation and Mismatch Issues - 17.7.1 329
    IP Addressing Issues on IOS Devices - 17.7.2 330
    IP Addressing Issues on End Devices - 17.7.3 330
    Default Gateway Issues - 17.7.4 331
    Troubleshooting DNS Issues - 17.7.5 332
    Lab - Troubleshoot Connectivity Issues - 17.7.6 334
    Packet Tracer - Troubleshoot Connectivity Issues - 17.7.7 334
Module Practice and Quiz - 17.8 335
    Lab - Design and Build a Small Business Network - 17.8.1 335
    Packet Tracer - Skills Integration Challenge - 17.8.2 335
    Packet Tracer - Troubleshooting Challenge - 17.8.3 335
    What did I learn in this module? - 17.8.4 335
        Devices in a Small Network 335
        Small Network Applications and Protocols 335
        Scale to Larger Networks 336
        Verify Connectivity 336
        Host and IOS Commands 336
        Troubleshooting Methodologies 337
        Troubleshooting Scenarios 337
Chapter Quiz - Build a Small Network 338
Your Chapter Notes 338


9780136632955   TOC   6/15/2020

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