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CCNA ICND2 640-816 Official Cert Guide

CCNA ICND2 640-816 Official Cert Guide

Mixed media product Official Cert Guide

By (author) Wendell Odom

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  • Publisher: Cisco Press
  • Format: Mixed media product | 800 pages
  • Dimensions: 198mm x 234mm x 51mm | 1,474g
  • Publication date: 1 January 2012
  • Publication City/Country: Indianapolis
  • ISBN 10: 1587204355
  • ISBN 13: 9781587204357
  • Edition: 3
  • Edition statement: 3rd edition
  • Illustrations note: black & white line drawings, black & white tables, figures
  • Sales rank: 162,390

Product description

New Edition of Best Selling Official Cert Guide: Updated Content, New Exercises, and Expanded Coverage -- PLUS includes CCNA Network Simulator Lite The new edition of bestselling CCNA ICND2 640-816 Official Cert Guide 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 CCNA exams. Chapters on VLSM, route summarization, and IP access control lists have been completely revised. In addition the book contains new practice exercises for all three of these topics to help reinforce the concepts and increase computation speed for exam preparation. Learn, prepare, and practice for exam success * Master CCNA ICND2 exam topics * Assess your knowledge with chapter-opening quizzes * Review key concepts with exam preparation tasks * Practice with realistic exam questions on the DVD * Learn from 60 minutes of Video mentoring * Apply concepts within Network Simulator lab exercises CCNA ICND2 640-816 Official Cert Guide, Third Edition is a best of breed Cisco exam study guide. Best-selling author and expert instructor 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 book presents you with an organized test preparation routine through the use of proven series elements and techniques. The master table of exam topics makes referencing easy. "Do I Know This Already?" quizzes open each chapter and enable you to decide how much time you need to spend on each section. Chapter-ending Exam Preparation Tasks help you drill on key concepts you must know thoroughly. 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 DVD contains the powerful Pearson IT Certification Practice Test engine, complete with hundreds of well-reviewed, exam-realistic questions. The assessment engine offers you a wealth of customization options and reporting features, laying out a complete assessment of your knowledge to help you focus your study where it is needed most. This new edition also includes a free copy of the CCNA ICND2 640-816 Network Simulator, Lite Edition, complete with meaningful lab exercises, which help you hone your hands-on skills with the Cisco user interface for routers and switches. The DVD also contains more than 60 minutes of personal video mentoring from the author focused on subnetting. Well-regarded for its level of detail, assessment features, and challenging review questions and exercises, this official study guide helps you master the concepts and techniques that will enable you to succeed on the exam the first time. CCNA ICND2 640-816 Official Cert Guide, Third 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, is the most respected author of Cisco networking books in the world. His past titles include books on the entry-level Cisco certifications (CCENT and CCNA), the more advanced CCNP, and the industry-renowned CCIE. His books are known for their technical depth and accuracy. Wendell has worked as a network engineer, consultant, instructor, course developer, and book author, and he has produced videos, software, and blogs related to Cisco certifications. His website with links to various study tools and resources is at www.certskills.com. The official study guide helps you master all the topics on the CCNA ICND2 exam, including * VLANs and Spanning Tree Protocol * Static and connected routes * VLSM and route summarization * IP Access Control Lists (ACLs) * Routing protocol theory * OSPF and EIGRP * Troubleshooting * Point-to-point WANS and Frame Relay * Frame Relay * Virtual Private Networks (VPNs) * Network Address Translation (NAT) * IPv6 Companion DVD The DVD contains two free, complete ICND2 practice exams and two free, full CCNA practice exams, CCNA ICND2 Network Simulator, Lite Edition, and 60 minutes of video training. Includes Exclusive Offer for 70% Off Premium Edition eBook and Practice Test. Pearson IT Certification Practice Test minimum system requirements: Windows XP (SP3), Windows Vista (SP2), or Windows 7; Microsoft .NET Framework 4.0 Client; Microsoft SQL Server Compact 4.0; Pentium class 1GHz processor (or equivalent); 512 MB RAM; 650 MB disc space plus 50 MB for each downloaded practice exam This volume is part of the Official Cert 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.

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Author information

Wendell Odom, CCIE No. 1624, has been in the networking industry since 1981. He has worked as a network engineer, consultant, systems engineer, instructor, and course developer; he currently works writing and creating certification tools. He is author of all the previous editions of the Cisco Press CCNA Official Certification Guide series, as well as the CCNP ROUTE 642-902 Official Certification Guide, the CCIE Routing and Switching Official Certification Guide, Computer Networking First Step, the CCNA Video Mentor, IP Networking (a college textbook), and he is the primary networking consultant for the CCNA 640-802 Network Simulator from Pearson. He maintains study tools, links to his blogs, and other resources at www.certskills.com.

Table of contents

Introduction xxv Part I: LAN Switching 3 Chapter 1 Virtual LANs 5 "Do I Know This Already?" Quiz 5 Foundation Topics 9 Virtual LAN Concepts 10 Trunking with ISL and 802.1Q 11 IP Subnets and VLANs 15 VLAN Trunking Protocol (VTP) 16 VLAN and VLAN Trunking Configuration and Verification 23 Creating VLANs and Assigning Access VLANs to an Interface 24 VLAN Trunking Configuration 29 Securing VLANs and Trunking 37 VTP Configuration and Verification 38 Using VTP: Configuring Servers and Clients 38 Caveats When Moving Away from Default VTP Configuration 42 Avoiding VTP: Configuring Transparent Mode 43 Troubleshooting VTP 44 Exam Preparation Tasks 53 Review All the Key Topics 53 Complete the Tables and Lists from Memory 54 Definitions of Key Terms 54 Command Reference to Check Your Memory 54 Chapter 2 Spanning Tree Protocol 57 "Do I Know This Already?" Quiz 57 Foundation Topics 61 Spanning Tree Protocol (IEEE 802.1d) 61 The Need for Spanning Tree 61 What IEEE 802.1d Spanning Tree Does 63 How Spanning Tree Works 65 Optional STP Features 75 Rapid STP (IEEE 802.1w) 78 RSTP Link and Edge Types 79 RSTP Port States 80 RSTP Port Roles 81 RSTP Convergence 82 Edge-Type Behavior and PortFast 83 STP Configuration and Verification 86 Multiple Instances of STP 87 Configuration Options That Influence the Spanning Tree Topology 88 Verifying Default STP Operation 90 Configuring STP Port Costs and Switch Priority 92 Configuring PortFast and BPDU Guard 95 Configuring EtherChannel 95 Configuring RSTP 97 STP Troubleshooting 98 Determining the Root Switch 99 Determining the Root Port on Nonroot Switches 100 Determining the Designated Port on Each LAN Segment 102 STP Convergence 104 Exam Preparation Tasks 105 Review All the Key Topics 105 Complete the Tables and Lists from Memory 106 Definitions of Key Terms 106 Command Reference to Check Your Memory 106 Chapter 3 Troubleshooting LAN Switching 109 "Do I Know This Already?" Quiz 109 Foundation Topics 110 Generalized Troubleshooting Methodologies 110 Analyzing and Predicting Normal Network Operation 111 Problem Isolation 114 Root Cause Analysis 115 Real World Versus the Exams 116 Troubleshooting the LAN Switching Data Plane 117 An Overview of the Normal LAN Switch Forwarding Process 117 Step 1: Confirm the Network Diagrams Using CDP 119 Step 2: Isolate Interface Problems 121 Step 3: Isolate Filtering and Port Security Problems 127 Step 4: Isolate VLAN and Trunking Problems 132 Example: Troubleshooting the Data Plane 136 Predicting Normal Operation of the LAN Switching Data Plane 147 PC1 Broadcast in VLAN 1 147 Forwarding Path: Unicast from R1 to PC1 151 Exam Preparation Tasks 155 Review All the Key Topics 155 Complete the Tables and Lists from Memory 155 Part II: IP Routing 157 Chapter 4 IP Routing: Static and Connected Routes 159 "Do I Know This Already?" Quiz 159 Foundation Topics 162 IP Routing and Addressing 162 IP Routing 162 IP Addressing and Subnetting 166 DNS, DHCP, ARP, and ICMP 171 Fragmentation and MTU 173 Routes to Directly Connected Subnets 175 Secondary IP Addressing 175 Supporting Connected Routes to Subnet Zero 177 ISL and 802.1Q Configuration on Routers 178 Static Routes 180 Configuring Static Routes 182 The Extended ping Command 183 Static Default Routes 186 Default Route Summary 190 Classful and Classless Routing 190 Exam Preparation Tasks 194 Review All the Key Topics 194 Complete the Tables and Lists from Memory 194 Definitions of Key Terms 195 Command Reference to Check Your Memory 195 Chapter 5 Variable Length Subnet Masks 199 "Do I Know This Already?" Quiz 199 Foundation Topics 202 VLSM Concepts and Configuration 202 Classless and Classful Routing Protocols 203 VLSM Configuration and Verification 204 Finding VLSM Overlaps 205 An Example of Finding a VLSM Overlap 206 Practice Finding VLSM Overlaps 208 Adding a New Subnet to an Existing VLSM Design 208 An Example of Adding a New VLSM Subnet 209 Practice Adding New VLSM Subnets 211 Designing a Subnetting Plan Using VLSM 211 Choosing VLSM Masks 212 Assigning the Largest Subnet IDs First 213 An Example of VLSM Subnet Design 215 Summary of the Formal VLSM Subnet Design Process 217 Practice Designing VLSM Subnets 218 Exam Preparation Tasks 219 Review All the Key Topics 219 Complete the Tables and Lists from Memory 219 Definitions of Key Terms 219 Read Appendix G Scenarios 220 Appendix D Practice Problems 220 Answers to Earlier Practice Problems 220 Answers to Practice Finding VLSM Overlaps 220 Answers to Practice Adding VLSM Subnets 221 Answers to Practice Designing VLSM Subnets 224 Chapter 6 Route Summarization 227 "Do I Know This Already?" Quiz 228 Foundation Topics 230 Manual Route Summarization 230 Understanding Route Summarization Concepts 230 Verifying Manually Summarized Routes 232 Configuring Manually Summarized Routes 233 Choosing the Best Summary Routes 235 Practice Choosing the Best Summary Routes 238 Autosummarization and Discontiguous Classful Networks 239 An Example of Autosummarization 240 Discontiguous Classful Networks 241 Autosummarization Support and Configuration 243 Review All the Key Topics 245 Complete the Tables and Lists from Memory 245 Definitions of Key Terms 245 Read Appendix G Scenarios 245 Command Reference to Check Your Memory 246 Answers to Practice Problems 246 Problem 1 246 Problem 2 247 Problem 3 247 Problem 4 248 Chapter 7 Basic IP Access Control Lists 251 "Do I Know This Already?" Quiz 251 Foundation Topics 254 IP Access Control List Basics 254 ACL Locations 254 Matching Packets 255 Taking Action When a Match Occurs 256 Types of IP ACLs 256 Standard Numbered IPv4 ACLs 257 List Logic with IP ACLs 258 Matching Logic and Command Syntax 260 Implementing Standard IP ACLs 264 Practice Applying Standard IP ACLs 268 Practice Building access-list Commands 268 Reverse Engineering from ACL to Address Range 269 Exam Preparation Tasks 271 Review All the Key Topics 271 Read the Appendix G Scenarios 271 Definitions of Key Terms 271 Appendix F Practice Problems 272 Command Reference to Check Your Memory 272 Answers to Earlier Practice Problems 273 Chapter 8 Advanced IP Access Control Lists 275 "Do I Know This Already?" Quiz 276 Foundation Topics 278 Extended Numbered IP Access Control Lists 278 Matching the Protocol, Source IP, and Destination IP 278 Matching TCP and UDP Port Numbers 280 Extended IP ACL Configuration 283 Practice Building access-list Commands 288 Named ACLs and ACL Editing 288 Named IP Access Lists 288 Editing ACLs Using Sequence Numbers 291 Miscellaneous ACL Topics 294 Controlling Telnet and SSH Access with ACLs 295 ACL Implementation Considerations 295 Reflexive Access Lists 297 Dynamic ACLs 299 Time-Based ACLs 300 Exam Preparation Tasks 301 Review All the Key Topics 301 Read the Appendix G Scenarios 301 Definitions of Key Terms 302 Command Reference to Check Your Memory 302 Answers to Earlier Practice Problems 303 Chapter 9 Troubleshooting IP Routing 305 "Do I Know This Already?" Quiz 305 Foundation Topics 306 The ping and traceroute Commands 306 Internet Control Message Protocol (ICMP) 306 The traceroute Command 312 Troubleshooting the Packet Forwarding Process 314 Isolating IP Routing Problems Related to Hosts 314 Isolating IP Routing Problems Related to Routers 316 Troubleshooting Tools and Tips 324 Host Routing Tools and Perspectives 324 show ip route Reference 326 Interface Status 328 VLSM Issues 328 Discontiguous Networks and Autosummary 333 Access List Troubleshooting Tips 334 Exam Preparation Tasks 337 Review All the Key Topics 337 Complete the Tables and Lists from Memory 337 Definitions of Key Terms 337 Part III: Routing Protocols 339 Chapter 10 Routing Protocol Theory 341 "Do I Know This Already?" Quiz 341 Foundation Topics 345 Dynamic Routing Protocol Overview 345 Routing Protocol Functions 346 Interior and Exterior Routing Protocols 347 Comparing IGPs 349 Administrative Distance 352 Distance Vector Routing Protocol Features 354 The Concept of a Distance and a Vector 354 Distance Vector Operation in a Stable Network 355 Distance Vector Loop Prevention 356 Distance Vector Summary 368 Link-State Routing Protocol Features 369 Building the Same LSDB on Every Router 369 Applying Dijkstra SPF Math to Find the Best Routes 371 Convergence with Link-State Protocols 373 Summary and Comparisons to Distance Vector Protocols 373 Exam Preparation Tasks 375 Review All the Key Topics 375 Complete the Tables and Lists from Memory 376 Definitions of Key Terms 376 Command Reference to Check Your Memory 376 Chapter 11 OSPF 379 "Do I Know This Already?" Quiz 379 Foundation Topics 383 OSPF Protocols and Operation 383 OSPF Neighbors 383 OSPF Topology Database Exchange 388 Building the IP Routing Table 392 Scaling OSPF Through Hierarchical Design 393 OSPF Configuration 397 OSPF Single-Area Configuration 398 OSPF Configuration with Multiple Areas 400 Configuring the OSPF Router ID 402 OSPF Hello and Dead Timers 403 OSPF Metrics (Cost) 405 OSPF Authentication 406 OSPF Load Balancing 408 Exam Preparation Tasks 409 Review All the Key Topics 409 Definitions of Key Terms 410 Command Reference to Check Your Memory 410 Chapter 12 EIGRP 413 "Do I Know This Already?" Quiz 413 Foundation Topics 416 EIGRP Concepts and Operation 416 EIGRP Neighbors 416 Exchanging EIGRP Topology Information 417 Calculating the Best Routes for the Routing Table 418 EIGRP Convergence 421 EIGRP Summary and Comparisons with OSPF 424 EIGRP Configuration and Verification 425 Basic EIGRP Configuration 426 EIGRP Metrics, Successors, and Feasible Successors 428 EIGRP Authentication 433 EIGRP Maximum Paths and Variance 435 Tuning the EIGRP Metric Calculation 437 Exam Preparation Tasks 439 Review All the Key Topics 439 Complete the Tables and Lists from Memory 439 Definitions of Key Terms 440 Command Reference to Check Your Memory 440 Chapter 13 Troubleshooting Routing Protocols 443 "Do I Know This Already?" Quiz 443 Foundation Topics 444 Perspectives on Troubleshooting Routing Protocol Problems 444 Interfaces Enabled with a Routing Protocol 446 Neighbor Relationships 454 EIGRP Neighbor Requirements 455 OSPF Neighbor Requirements 457 Exam Preparation Tasks 464 Review All the Key Topics 464 Complete the Tables and Lists from Memory 464 Command Reference to Check Your Memory 464 Part IV: Wide-Area Networks 467 Chapter 14 Point-to-Point WANs 469 "Do I Know This Already?" Quiz 469 Foundation Topics 472 PPP Concepts 472 The PPP Protocol Field 472 PPP Link Control Protocol (LCP) 473 PPP Configuration 478 Basic PPP Configuration 478 CHAP Configuration and Verification 479 PAP Configuration 480 Troubleshooting Serial Links 480 Troubleshooting Layer 1 Problems 482 Troubleshooting Layer 2 Problems 483 Troubleshooting Layer 3 Problems 486 Exam Preparation Tasks 489 Review All the Key Topics 489 Complete the Tables and Lists from Memory 489 Definitions of Key Terms 489 Command Reference to Check Your Memory 490 Chapter 15 Frame Relay Concepts 493 "Do I Know This Already?" Quiz 493 Foundation Topics 497 Frame Relay Overview 497 Frame Relay Standards 500 Virtual Circuits 500 LMI and Encapsulation Types 503 Frame Relay Addressing 505 Frame Relay Local Addressing 506 Frame Forwarding with One DLCI Field 507 Frame Relay Global Addressing (DLCIs) 509 Network Layer Concerns with Frame Relay 511 Frame Relay Layer 3 Addressing: One Subnet Containing All Frame Relay DTEs 511 Frame Relay Layer 3 Addressing: One Subnet Per VC 512 Frame Relay Layer 3 Addressing: Hybrid Approach 514 Layer 3 Broadcast Handling 515 Controlling Speed and Discards in the Frame Relay Cloud 516 FECN and BECN 517 The Discard Eligibility (DE) Bit 518 Exam Preparation Tasks 519 Review All the Key Topics 519 Complete the Tables and Lists from Memory 519 Definitions of Key Terms 520 Chapter 16 Frame Relay Configuration 523 "Do I Know This Already?" Quiz 523 Foundation Topics 527 Frame Relay Configuration and Verification 527 Planning a Frame Relay Configuration 527 A Fully Meshed Network with One IP Subnet 529 Configuring the Encapsulation and LMI 531 Frame Relay Address Mapping 532 A Partially Meshed Network with One IP Subnet Per VC 537 A Partially Meshed Network with Some Fully Meshed Parts 543 Frame Relay Troubleshooting 547 A Suggested Frame Relay Troubleshooting Process 547 Layer 1 Issues on the Access Link (Step 1) 549 Layer 2 Issues on the Access Link (Step 2) 549 PVC Problems and Status (Step 3) 551 Frame Relay Mapping Issues (Step 4) 558 End-to-End Encapsulation (Step 5) 559 Mismatched Subnet Numbers (Step 6) 559 Exam Preparation Tasks 560 Review All the Key Topics 560 Complete the Tables and Lists from Memory 560 Read the Appendix G Scenarios 560 Command Reference to Check Your Memory 561 Chapter 17 Virtual Private Networks 565 "Do I Know This Already?" Quiz 565 Foundation Topics 568 VPN Fundamentals 568 IPsec VPNs 571 IPsec Encryption 572 IPsec Key Exchange 573 IPsec Authentication and Message Integrity 574 The ESP and AH Security Protocols 576 IPsec Implementation Considerations 577 SSL VPNs 578 Exam Preparation Tasks 580 Review All the Key Topics 580 Complete the Tables and Lists from Memory 580 Definitions of Key Terms 580 Part V: Scaling the IP Address Space 583 Chapter 18 Network Address Translation 585 "Do I Know This Already?" Quiz 585 Foundation Topics 589 Perspectives on IPv4 Address Scalability 589 CIDR 590 Private Addressing 592 Network Address Translation Concepts 593 Static NAT 593 Dynamic NAT 596 NAT Configuration and Troubleshooting 602 Static NAT Configuration 602 Dynamic NAT Configuration 604 NAT Overload (PAT) Configuration 608 NAT Troubleshooting 611 Exam Preparation Tasks 613 Review All the Key Topics 613 Complete the Tables and Lists from Memory 613 Definitions of Key Terms 614 Command Reference to Check Your Memory 614 Chapter 19 IP Version 6 617 "Do I Know This Already?" Quiz 617 Foundation Topics 620 Global Unicast Addressing, Routing, and Subnetting 621 Global Route Aggregation for Efficient Routing 622 Conventions for Representing IPv6 Addresses 624 Conventions for Writing IPv6 Prefixes 625 Global Unicast Prefix Assignment Example 628 Subnetting Global Unicast IPv6 Addresses Inside an Enterprise 630 Prefix Terminology 632 IPv6 Protocols and Addressing 633 DHCP for IPv6 633 IPv6 Host Address Assignment 634 Discovering the Default Router with NDP 639 Learning the IP Address(es) of DNS Servers 639 IPv6 Addresses 640 Summary of IP Protocols and Addressing 643 Configuring IPv6 Routing and Routing Protocols 644 IPv6 Routing Protocols 644 IPv6 Configuration 645 IPv6 Transition Options 649 IPv4/IPv6 Dual Stacks 649 Tunneling 649 Translating Between IPv4 and IPv6 with NAT-PT 651 Transition Summary 652 Exam Preparation Tasks 653 Review All the Key Topics 653 Complete the Tables and Lists from Memory 654 Definitions of Key Terms 654 Command Reference to Check Your Memory 654 Part VI: Final Preparation 657 Chapter 20 Final Preparation 659 Tools for Final Preparation 659 Pearson Cert Practice Test Engine and Questions on the DVD 659 The Cisco Learning Network 662 Subnetting Preparation Tools 662 Scenarios 663 Study Plan 663 Recall the Facts 664 Practice Subnetting 664 Build Troubleshooting Skills Using Scenarios 665 Studying for ICND2 640-816 or CCNA 640-802 666 Summary 667 Part VII: Part VII: Appendices 669 Appendix A Answers to the "Do I Know This Already?" Quizzes 671 Appendix B Numeric Reference Tables 684 Appendix C ICND2 Exam Updates: Version 1.0 692 Glossary 696 Part VIII: DVD-Only Appendix D Practice for Chapter 5: Variable Length Subnet Masks Appendix E Practice for Chapter 6: Route Summarization Appendix F Practice for Chapter 7: Basic IP Access Control Lists Appendix G Additional Scenarios Appendix H Video Scenario Reference Appendix I ICND1 Chapter 23: WAN Configuration Appendix J Memory Tables Appendix K Memory Tables Answer Key Appendix L ICND2 Open-Ended Questions TOC, 9781587204357, 8/26, 2011