TCPIP 311

Chapter 12 IP Addressing and Subnetting 313

"Do I Know This Already?" Quiz 313 Foundation Topics 319 IP Addressing Review 319

IP Subnetting 321 Analyzing and Interpreting IP Addresses and Subnets 323

Math Operations Used to Answer Subnetting Questions 324

Converting IP Addresses from Decimal to Binary, and Back Again 324 The Boolean AND Operation 326 Prefix Notation 328 How Many Hosts, and How Many Subnets? 329

What Is the Subnet Number, and What Are the IP Addresses in the Subnet? 333 Finding the Subnet Number 333 Finding the Subnet Broadcast Address 335 Finding the Range of Valid IP Addresses in a Subnet 336 Finding the Answers Without Using Binary 338 What Subnet Masks Meet the Stated Design Requirements? 344 What Are the Other Subnet Numbers? 347 Scaling the IP Address Space for the Internet 351 CIDR 351

Private Addressing 353 Network Address Translation 354 IP Version 6 Addressing 355 Foundation Summary 356 Q&A 358

Chapter 13 Basic Router Configuration and Operation 363

"Do I Know This Already?" Quiz 363 Foundation Topics 368 Configuring IP Addresses 368

Basic Administrative Configuration 370 Configuring IP Addresses 372 Prefix Notation 375

Seeding the Routing Table with Connected IP Routes 375 Bandwidth, Clock Rate, and Serial Lines in the Lab 380 IP Troubleshooting Features 381

Internet Control Message Protocol 381 ICMP Echo Request and Echo Reply 382 Destination Unreachable ICMP Message 385 IP Naming Commands 387 Telnet and Suspend 389 Cisco Discovery Protocol 392 Foundation Summary 397 Q&A 400

Chapter 14 Introduction to Dynamic Routing Protocols 403

"Do I Know This Already?" Quiz 403 Foundation Topics 407 Routing Protocol Overview 407

Comparing and Contrasting IP Routing Protocols 408 Routing Through the Internet with the Border Gateway Protocol 410 Distance Vector Protocols: RIP and IGRP 411 Routing Information Protocol Version 1 413 RIP Version 2 414

Interior Gateway Routing Protocol 414 Link-State Protocols: OSPF and Integrated IS-IS 416 Open Shortest Path First 417 Integrated IS-IS 418 Balanced Hybrid Protocols: Enhanced IGRP 419 Summary of Interior Routing Protocols 420 Foundation Summary 422 Q&A 425

Part V Wide-Area Networking 427

Chapter 15 Remote Access Technologies 429

"Do I Know This Already?" Quiz 429 Foundation Topics 435 Perspectives on the PSTN 435

Converting Analog Voice to Digital Voice 438 Analog Modems 441

Modulation and Demodulation 442 Point-to-Point Protocol Features with Modems 444 Modem Installation and Cabling 445 Modem Standards 446 Analog Modem Summary 447 Integrated Services Digital Network 447 ISDN Channels 449

ISDN Call Setup and Data Link Protocols 449 Typical Uses of ISDN 451 ISDN Installation and Cabling 453 ISDN Summary 453 Digital Subscriber Line 454 DSL Standards 456 DSL Protocols 458 DSL Summary 459 Cable Modems 460

Layer 1 and Layer 2 between the Home and the Head End 462

Upstream Data 463 Cable Modem Summary 464

Comparison of Remote Access Technologies 464 Foundation Summary 467 Q&A 474

Part VI Final Preparation 477

Chapter 16 Final Preparation 479

Suggestions for Final Preparation 479

Preparing for the Actual Exam Experience 480 A Final Lab Scenario 482 Scenario, Part A: Planning 482

Solutions to Part A: Planning 485

Scenario Part B: Configuration 486

Solutions to Part B: Configuration 486

Scenario Part C: Verification and Questions 488

Solutions to Part C: Verification and Questions 493

Part VII Appendixes 497

Appendix A Answers to the "Do I Know This Already?" Quizzes and Q&A Sections 499 Appendix B Decimal to Binary Conversion Table 565

Appendix C Using the Simulation Software for the Hands-on Exercises 571 Glossary 577 Index 593

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