Interconnecting Cisco Network Devices, Part 1 (ICND1): CCNA Exam 640-802 and ICND1 Exam 640-822 (2nd Edition) (Self-Study Guide)

Interconnecting Cisco Network Devices, Part 2 (ICND2) With this official Cisco coursebook, candidates get help preparing for the new CCNA exam #640-507 while also learning about the protocols and technologies for router configuration and LAN switching. Network support engineers and designers will find all the information they need to install, configure, and troubleshoot the latest Cisco products. Full description Cover......Page 1 Contents......Page 11 Foreword......Page 23 Introduction......Page 24 Exploring the Functions of Networking......Page 28 What Is a Network?......Page 29 Common Physical Components of a Network......Page 30 Interpreting a Network Diagram......Page 31 Resource-Sharing Functions and Benefits......Page 32 Network User Applications......Page 34 The Impact of User Applications on the Network......Page 35 Characteristics of a Network......Page 36 Physical Versus Logical Topologies......Page 37 Bus Topology......Page 39 Star and Extended-Star Topologies......Page 40 Ring Topologies......Page 42 Mesh and Partial-Mesh Topologies......Page 43 Connection to the Internet......Page 45 Summary of Exploring the Functions of Networking......Page 46 Need for Network Security......Page 47 Balancing Network Security Requirements......Page 50 Adversaries, Hacker Motivations, and Classes of Attack......Page 51 Mitigating Common Threats......Page 53 Understanding the Host-to-Host Communications Model......Page 56 OSI Reference Model......Page 57 Data Communications Process......Page 61 Peer-to-Peer Communication......Page 64 The TCP/IP Protocol Stack......Page 65 OSI Model Versus TCP/IP Stack......Page 66 Summary of Understanding the Host-to-Host Communications Model......Page 67 Understanding TCP/IP's Internet Layer......Page 68 IP Network Addressing......Page 69 IP Address Classes......Page 71 Network and Broadcast Addresses......Page 74 Public and Private IP Addresses......Page 78 Address Exhaustion......Page 79 Domain Name System......Page 83 Using Common Host Tools to Determine the IP Address of a Host......Page 84 Summary of TCP/IP's Internet Layer......Page 87 The Transport Layer......Page 88 Transport Layer Functionality......Page 92 Summary of Understanding TCP/IP's Transport and Application Layers......Page 108 Layer 1 Devices and Their Functions......Page 109 Layer 2 Devices and Their Functions......Page 110 Layer 3 Addressing......Page 111 Mapping Layer 2 Addressing to Layer 3 Addressing......Page 112 ARP Table......Page 113 Host-to-Host Packet Delivery......Page 114 Function of the Default Gateway......Page 123 Using Common Host Tools to Determine the Path Between Two Hosts Across a Network......Page 124 Summary of Exploring the Packet Delivery Process......Page 128 The Definition of a LAN......Page 129 Components of a LAN......Page 130 Functions of a LAN......Page 131 How Big Is a LAN?......Page 132 Ethernet LAN Standards......Page 133 The Role of CSMA/CD in Ethernet......Page 134 Ethernet Frames......Page 136 Ethernet Frame Addressing......Page 137 MAC Addresses and Binary-Hexadecimal Numbers......Page 138 Summary of Understanding Ethernet......Page 139 Ethernet Network Interface Cards......Page 140 Connection Media......Page 141 Unshielded Twisted-Pair Cable......Page 143 UTP Implementation......Page 144 Chapter Summary......Page 149 Review Questions......Page 150 Understanding the Challenges of Shared LANs......Page 164 Ethernet LAN Segments......Page 165 Collisions......Page 166 Collision Domains......Page 167 Layer 2 Addressing......Page 169 Host-to-Host Packet Delivery......Page 170 Summary of Exploring the Packet Delivery Process......Page 175 Cisco IOS Software Features and Functions......Page 176 Configuring Network Devices......Page 177 External Configuration Sources......Page 178 Cisco IOS Command-Line Interface Functions......Page 179 Entering the EXEC Modes......Page 180 Keyboard Help in the CLI......Page 181 Enhanced Editing Commands......Page 184 Command History......Page 185 Summary of Operating Cisco IOS Software......Page 187 Physical Startup of the Catalyst Switch......Page 188 Switch LED Indicators......Page 189 Viewing Initial Bootup Output from the Switch......Page 191 Logging In to the Switch......Page 193 Configuring a Switch from the Command Line......Page 194 Showing the Switch Initial Startup Status......Page 195 MAC Address Table Management......Page 198 Understanding Switch Security......Page 199 Configuring Password Security......Page 200 Configuring the Login Banner......Page 202 Port Security Configuration......Page 203 Microsegmentation......Page 207 Duplex Communication......Page 208 Physical Redundancy in an Ethernet LAN......Page 212 Loop Resolution with Spanning Tree Protocol (STP)......Page 215 Troubleshooting Switch Issues......Page 216 Identifying and Resolving Media Issues......Page 217 Summary of Troubleshooting Switch Issues......Page 219 Review Questions......Page 220 The Business Case for WLAN Service......Page 232 Differences Between WLANs and LANs......Page 234 Organizations That Standardize WLANs......Page 235 ITU-R Local FCC Wireless......Page 236 802.11 Standards Comparison......Page 238 Wi-Fi Certification......Page 239 Wireless LAN Security Threats......Page 240 Mitigating Security Threats......Page 241 Evolution of Wireless LAN Security......Page 242 Wireless Client Association......Page 243 How 802.1x Works on WLANs......Page 244 WPA and WPA2 Modes......Page 245 Implementing a WLAN......Page 246 802.11 Topology Building Blocks......Page 247 BSA Wireless Topology......Page 248 Wireless Topology Data Rates......Page 249 Access Point Configuration......Page 251 Wireless Clients......Page 252 Wireless Troubleshooting......Page 253 Summary of Implementing a WLAN......Page 254 Review Questions......Page 255 Chapter Objectives......Page 262 Routers......Page 263 Path Determination......Page 264 Routing Tables......Page 265 Dynamic Routing Protocols......Page 267 Understanding Binary Numbering......Page 271 Decimal and Binary Systems......Page 272 Powers of 2......Page 274 Decimal-to-Binary Conversion......Page 275 Binary-to-Decimal Conversion......Page 276 Subnetworks......Page 277 Computing Usable Subnetworks and Hosts......Page 280 How End Systems Use Subnet Masks......Page 283 How Routers Use Subnet Masks......Page 284 Mechanics of Subnet Mask Operation......Page 286 Applying Subnet Mask Operation......Page 288 Determining the Network Addressing Scheme......Page 289 Class C Example......Page 290 Class B Example......Page 292 Class A Example......Page 293 Summary of Constructing a Network Addressing Scheme......Page 295 Initial Startup of a Cisco Router......Page 296 Initial Setup of a Cisco Router......Page 297 Logging In to the Cisco Router......Page 304 Showing the Router Initial Startup Status......Page 307 Cisco Router Configuration Modes......Page 308 Configuring a Cisco Router from the CLI......Page 310 Configuring Cisco Router Interfaces......Page 312 Configuring the Cisco Router IP Address......Page 313 Verifying the Interface Configuration......Page 314 Summary of Configuring a Cisco Router......Page 319 Host-to-Host Packet Delivery......Page 320 Using the show ip arp Command......Page 327 Using Common Cisco IOS Tools......Page 329 Understanding Cisco Router Security......Page 330 Configuring Password Security......Page 331 Telnet and SSH Access......Page 332 Summary of Understanding Cisco Router Security......Page 333 Cisco SDM Overview......Page 334 Configuring Your Router to Support Cisco SDM......Page 336 Configuration Overview......Page 339 Cisco SDM Wizards......Page 341 Using a Cisco Router as a DHCP Server......Page 342 Understanding DHCP......Page 343 Using Cisco SDM to Enable the DHCP Server Function......Page 344 Monitoring DHCP Server Functions......Page 346 Establishing a Telnet or SSH Connection......Page 348 Suspending and Resuming a Telnet Session......Page 350 Closing a Telnet Session......Page 351 Alternate Connectivity Tests......Page 352 Chapter Summary......Page 354 Review Questions......Page 355 Chapter Objectives......Page 370 What Is a WAN?......Page 371 How Is a WAN Different from a LAN?......Page 373 WAN Devices......Page 375 WAN Cabling......Page 376 The Role of Routers in WANs......Page 378 WAN Data Link Layer Protocols......Page 379 WAN Communication Link Options......Page 380 Enabling the Internet Connection......Page 381 Packet-Switched Communication Links......Page 382 Digital Subscriber Line......Page 383 Cable......Page 385 Global Internet: The Largest WAN......Page 386 Obtaining an Interface Address from a DHCP Server......Page 387 Introducing NAT and PAT......Page 388 Translating Inside Source Addresses......Page 390 Configuring the DHCP Client and PAT......Page 393 Verifying the DHCP Client Configuration......Page 397 Summary of Enabling the Internet Connection......Page 398 Routing Overview......Page 399 Static Route Configuration......Page 401 Default Route Forwarding Configuration......Page 403 Static Route Configuration Verification......Page 404 Configuring Serial Encapsulation......Page 405 Circuit-Switched Communication Links......Page 406 Public Switched Telephone Network......Page 407 Point-to-Point Communication Links......Page 408 Configuring HDLC Encapsulation......Page 411 Point-to-Point Protocol......Page 412 Serial Encapsulation Configuration Verification......Page 415 Frame Relay......Page 416 ATM and Cell Switching......Page 417 Enabling RIP......Page 419 Dynamic Routing Protocol Overview......Page 420 Classful Routing Versus Classless Routing Protocols......Page 423 Distance Vector Route Selection......Page 424 RIP Features......Page 426 RIPv1 and RIPv2 Comparison......Page 427 RIP Configuration......Page 428 RIP Configuration Verification......Page 429 Summary of Enabling RIP......Page 432 Chapter Summary......Page 433 Review Questions......Page 434 Cisco Discovery Protocol......Page 450 Information Obtained with CDP......Page 451 Using the show cdp neighbors Command......Page 453 Monitoring and Maintaining Cisco Discovery Protocol......Page 455 Creating a Network Map of the Environment......Page 457 Stages of the Router Power-On Boot Sequence......Page 458 Internal Router Components......Page 459 How a Device Locates and Loads Cisco IOS Image and Configuration Files......Page 462 Configuration Register......Page 464 Managing Cisco Devices......Page 467 Cisco IOS File System and Devices......Page 468 Managing Cisco IOS Images......Page 470 Managing Device Configuration Files......Page 473 Cisco IOS copy Command......Page 474 Using show and debug Commands on Cisco Devices......Page 477 Chapter Summary......Page 480 Review Questions......Page 481 Chapter 1......Page 490 Chapter 2......Page 493 Chapter 3......Page 496 Chapter 4......Page 497 Chapter 5......Page 500 Chapter 6......Page 503 B......Page 505 C......Page 506 E......Page 508 I......Page 509 M......Page 510 P......Page 511 R......Page 512 S......Page 513 T......Page 514 W-X-Y-Z......Page 515

Interconnecting Cisco Network Devices, Part 1 (ICND1), Second Edition, is a Cisco®-authorized, self-paced learning tool for CCENT™ and CCNA® foundation learning. This book provides you with the knowledge needed to configure Cisco switches and routers to operate in corporate internetworks. By reading this book, you will gain a thorough understanding of concepts and configuration procedures required to build a multiswitch, multirouter, and multigroup internetwork that uses LAN and WAN interfaces for the most commonly used routing and routed protocols.

In Interconnecting Cisco Network Devices, Part 1 (ICND1), you will study installation and configuration information that network administrators need to install and configure Cisco products. Specific topics include building a simple network, Ethernet LANs, wireless LANs (WLANs), LAN and WAN connections, and network management. Chapter-ending review questions illustrate and help solidify the concepts presented in the book.

Whether you are preparing for CCENT or CCNA certification or simply want to gain a better understanding of how to build small Cisco networks, you will benefit from the foundation information presented in this book.

Interconnecting Cisco Network Devices, Part 1 (ICND1), 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.

Steve McQuerry, CCIE® No. 6108, is a consulting systems engineer with Cisco. He focuses on data center architecture. Steve works with enterprise customers in the Midwestern United States to help them plan their data center architectures. Steve has been an active member of the internetworking community since 1991 and has held multiple certifications from Novell, Microsoft, and Cisco. Prior to joining Cisco, Steve worked as an independent contractor with Global Knowledge where he taught and developed coursework around Cisco technologies and certifications.

• Understand the principles on which basic networks operate
• Explore the operation and configuration of LANs

• Extend the boundaries of the network by implementing and securing wireless connectivity
• Configure routers to provide connectivity between different networks
• Learn about IP addressing number conversion

• Establish WAN interconnectivity using point-to-point links, DSL, and cable services
• Configure Network Address Translation (NAT)

• Use Cisco IOS® commands to determine the layout of a Cisco network topology
• Manage the router startup and work with IOS configuration files and Cisco IOS images

This volume is in the Certification Self-Study Series offered by Cisco Press®. Books in this series provide officially developed self-study solutions to help networking professionals understand technology implementations and prepare for the Cisco Career Certifications examinations.

Category: Cisco Press–Cisco Certification

Covers: ICND1 Exam 640-822

Interconnecting Cisco Network Devices, Part 1 (ICND1), Second Edition, is a Cisco-authorized, self-paced learning tool for CCENT and CCNA foundation learning. This book provides you with the knowledge needed to configure Cisco switches and routers to operate in corporate internetworks. By reading this book, you will gain a thorough understanding of concepts and configuration procedures required to build a multiswitch, multirouter, and multigroup internetwork that uses LAN and WAN interfaces for the most commonly used routing and routed protocols. In Interconnecting Cisco Network Devices, Part 1 (ICND1) , you will study installation and configuration information that network administrators need to install and configure Cisco products. Specific topics include building a simple network, Ethernet LANs, wireless LANs (WLANs), LAN and WAN connections, and network management. Chapter-ending review questions illustrate and help solidify the concepts presented in the book. Whether you are preparing for CCENT or CCNA certification or simply want to gain a better understanding of how to build small Cisco networks, you will benefit from the foundation information presented in this book. Interconnecting Cisco Network Devices, Part 1 (ICND1) , 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 (http://www.cisco.com/go/authorizedtraining) www.cisco.com/go/authorizedtraining . Steve McQuerry, CCIE No. 6108, is a consulting systems engineer with Cisco. He focuses on data center architecture. Steve works with enterprise customers in the Midwestern United States to help them plan their data center architectures. Steve has been an active member of the internetworking community since 1991 and has held multiple certifications from Novell, Microsoft, and Cisco. Prior to joining Cisco, Steve worked as an independent contractor with Global Knowledge where he taught and developed coursework around Cisco technologies and certifications. This volume is in the Certification Self-Study Series offered by Cisco Press. Books in this series provide officially developed self-study solutions to help networking professionals understand technology implementations and prepare for the Cisco Career Certifications examinations. Cisco PressCisco Certification ICND1 Exam 640-822