Introduction to Networks Labs and Study Guide (CCNAv7), 1st edition
Published by Cisco Press (June 17, 2020) © 2020
- Allan Johnson
- A print text (hardcover or paperback)Â
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- Also available for purchase as an ebook from all major ebook resellers, including InformIT.com
This book provides an introduction to IT and Networking and is suitable for learners with an interest in IT. Each chapter of this book is divided into a Study Guide section followed by a Lab section. The Study Guide sections offer exercises that help you learn the concepts, configurations, and troubleshooting skills crucial to your success as a CCNA exam candidate. Each chapter is slightly different and includes some or all of the following types of exercises:
- Vocabulary Matching Exercises
- Concept Questions Exercises
- Skill-Building Activities and Scenarios
- Configuration Scenarios
- Packet Tracer Exercises
- Troubleshooting Scenarios
- A portable classroom resource that supports the topics in the CCNA curriculum aligning 1:1 with course modules
- Includes all the labs in the online curriculum as well as additional instructor-created challenge labs for extended learning and classroom exercises
- Written by an Academy course developer and instructor
  Introduction xxx
Chapter 1 Networking Today 1
  Networks Affect Our Lives 2
  Network Components 2
  Network Representations and Topologies 4
  Common Types of Networks 5
  Internet Connections 6
  Reliable Networks 8
  Network Trends 9
  Network Security 11
  The IT Professional 12
  1.5.7 Packet Tracer—Network Representation 13
  1.9.3 Lab—Research IT and Networking Job Opportunities 16
Chapter 2 Basic Switch and End Device Configuration 19
  Cisco IOS Access 20
  IOS Navigation 21
  The Command Structure 23
  Basic Device Configuration 25
  Save Configurations 27
  Ports and Addresses 27
  Configure IP Addressing 28
  Verify Connectivity 30
  Command Reference 32
  2.3.7 Packet Tracer—Navigate the IOS 33
  2.3.8 Lab—Navigate the IOS by Using Tera Term for Console Connectivity 38
  2.5.5 Packet Tracer—Configure Initial Switch Settings 45
  2.7.6 Packet Tracer—Implement Basic Connectivity 50
  2.9.1 Packet Tracer—Basic Switch and End Device Configuration 53
  2.9.2 Lab—Basic Switch and End Device Configuration 55
Chapter 3 Protocols and Models 59
  The Rules 60
    Protocols 61
  Protocol Suites 63
  Standards Organizations 66
  Reference Models 68
  Data Encapsulation 69
  Data Access 71
  3.0.3 Class Activity—Design a Communications System 73
  3.4.4 Lab—Research Networking Standards 74
  3.5.5 Packet Tracer—Investigate the TCP/IP and OSI Models in Action 77
  3.7.9 Lab—Install Wireshark 82
  3.7.10 Lab—Use Wireshark to View Network Traffic 84
Chapter 4 Physical Layer 91
  Purpose of the Physical Layer 92
  Physical Layer Characteristics 92
  Copper Cabling 94
  UTP Cabling 96
  Fiber-Optic Cabling 97
  Wireless Media 99
  4.6.5 Packet Tracer—Connect a Wired and Wireless LAN 101
  4.6.6 Lab—View Wired and Wireless NIC Information 105
  4.7.1 Packet Tracer—Connect the Physical Layer 109
Chapter 5 Number Systems 115
  Binary Number System 116
  Hexadecimal Number System 118
Chapter 6 Data Link Layer 123
  Purpose of the Data Link Layer 124
  Topologies 126
  Data Link Frame 128
Chapter 7 Ethernet Switching 131
  Ethernet Frames 132
  Ethernet MAC Address 134
  The MAC Address Table 135
  Switch Speeds and Forwarding Methods 140
  7.1.6 Lab—Use Wireshark to Examine Ethernet Frames 142
  7.2.7 Lab—View Network Device MAC Addresses 149
  7.3.7 Lab—View the Switch MAC Address Table 155
Chapter 8 Network Layer 159
  Network Layer Characteristics 160
  IPv4 Packet 161
  IPv6 Packet 163
  How a Host Routes 164
  Introduction to Routing 166
Chapter 9 Address Resolution 171
  MAC and IP 172
  ARP 173
  IPv6 Neighbor Discovery 175
  9.1.3 Packet Tracer—Identify MAC and IP Addresses 177
  9.2.9 Packet Tracer—Examine the ARP Table 181
  9.3.4 Packet Tracer—IPv6 Neighbor Discovery 185
Chapter 10 Basic Router Configuration 191
  Configure Initial Router Settings 192
  Configure Interfaces 194
  Configure the Default Gateway 196
  Command Reference 197
  10.1.4 Packet Tracer—Configure Initial Router Settings 198
  10.3.4 Packet Tracer—Connect a Router to a LAN 202
  10.3.5 Packet Tracer—Troubleshoot Default Gateway Issues 207
  10.4.3 Packet Tracer—Basic Device Configuration 210
  10.4.4 Lab—Build a Switch and Router Network 212
Chapter 11 IPv4 Addressing 219
  IPv4 Address Structure 220
  IPv4 Unicast, Broadcast, and Multicast 224
  Types of IPv4 Addresses 224
  Network Segmentation 226
  Subnet an IPv4 Network 227
  VLSM Addressing Schemes 231
  11.5.5 Packet Tracer—Subnet an IPv4 Network 236
  11.6.6 Lab—Calculate IPv4 Subnets 241
  11.7.5 Packet Tracer—Subnetting Scenario 245
  11.9.3 Packet Tracer—VLSM Design and Implementation Practice 249
  11.10.1 Packet Tracer—Design and Implement a VLSM Addressing Scheme 253
  11.10.2 Lab—Design and Implement a VLSM Addressing Scheme 255
Chapter 12 IPv6 Addressing 261
  IPv4 Issues 262
  IPv6 Address Representation 263
  IPv6 Address Types 263
  GUA and LLA Static Configuration 265
  Dynamic Addressing for IPv6 GUAs 267
  Dynamic Addressing for IPv6 LLAs 272
  IPv6 Multicast Addresses 272
  Subnet an IPv6 Network 272
  12.6.6 Packet Tracer—Configure IPv6 Addressing 276
  12.7.4 Lab—Identify IPv6 Addresses 280
  12.9.1 Packet Tracer—Implement a Subnetted IPv6 Addressing Scheme 284
  12.9.2 Lab—Configure IPv6 Addresses on Network Devices 286
Chapter 13 ICMP 291
  ICMP Messages 292
  Ping and Traceroute Tests 296
  Command Reference 297
  13.2.6 Packet Tracer—Verify IPv4 and IPv6 Addressing 297
  13.2.7 Packet Tracer—Use Ping and Traceroute to Test Network Connectivity 301
  13.3.1 Packet Tracer—Use ICMP to Test and Correct Network Connectivity 305
  13.3.2 Lab—Use Ping and Traceroute to Test Network Connectivity 307
Chapter 14 Transport Layer 319
  Transportation of Data 320
  TCP Overview 322
  UDP Overview 325
  Port Numbers 327
  TCP Communication Process 329
  Reliability and Flow Control 332
  UDP Communication 334
  Command Reference 336
  14.8.1 Packet Tracer—TCP and UDP Communications 336
Chapter 15 Application Layer 343
  Application, Presentation, and Session 344
  Application Layer 344
  Peer-to-Peer 346
  Web and Email Protocols 347
  IP Addressing Services 349
  File Sharing Services 353
  Command Reference 355
  15.4.8 Lab—Observe DNS Resolution 355
Chapter 16 Network Security Fundamentals 359
  Security Threats and Vulnerabilities 360
  Network Attacks 361
  Network Attack Mitigation 364
  Device Security 366
  Command Reference 368
  16.2.6 Lab—Research Network Security Threats 368
  16.4.6 Packet Tracer—Configure Secure Passwords and SSH 372
  16.4.7 Lab—Configure Network Devices with SSH 375
  16.5.1 Packet Tracer—Secure Network Devices 381
  16.5.1 Lab—Secure Network Devices 383
Chapter 17 Build a Small Network 389
  Devices in a Small Network 390
  Small Network Applications and Protocols 392
  Scale to Larger Networks 394
  Verify Connectivity 395
  Host and IOS Commands 397
  Troubleshooting Methodologies 402
  Troubleshooting Scenarios 403
  Command Reference 405
  17.4.6 Lab—Test Network Latency with Ping and Traceroute 406
  17.5.9 Packet Tracer—Interpret show Command Output 411
  17.7.6 Lab—Troubleshoot Connectivity Issues 413
  17.7.7 Packet Tracer—Troubleshoot Connectivity Issues 418
  17.8.1 Lab—Design and Build a Small Network 422
  17.8.2 Packet Tracer—Skills Integration Challenge 423
  17.8.3 Packet Tracer—Troubleshooting Challenge 426
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