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CCENT/CCNA ICND1 100-105 Official Cert Guide, Academic Edition

Trust the best-selling Official Cert Guide series from Cisco Press to help you learn, prepare, and practice for exam success. They are built with the objective of providing assessment, review, and practice to help ensure you are fully prepared for your certification exam.

CCENT/CCNA ICND1 100-105 Official Cert Guide, Academic Edition is a comprehensive textbook and study package that provides you with an introduction to foundational networking concepts and hands-on application. Best-selling author and expert instructor Wendell Odom shares study hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills.

This complete study package includes

  • A study routine proven to help you retain knowledge
  • Chapter-ending summaries that provide a quick review of key topics
  • Tons of review exercises, including memory tables, command summaries, key term definitions, mind mapping exercises, review questions, and more, which test your understanding and reinforce your knowledge
  • Troubleshooting sections, which help you master complex, real-world scenarios
  • A free copy of the eBook version of the text, available in PDF, EPUB, and Mobi (Kindle) formats
  • The powerful Pearson IT Certification Practice Test Premium Edition software, complete with hundreds of well-reviewed, exam-realistic questions, customization options, linking of all questions to the PDF eBook file, and detailed performance reports
  • A free copy of the CCENT/CCNA ICND1 100-105 Network Simulator Lite software, complete with meaningful lab exercises that help you hone your hands-on skills with the command-line interface for routers and switches
  • Links to a series of hands-on config labs developed by the author
  • Online interactive practice exercises that help you enhance your knowledge
  • More than 90 minutes of video mentoring from the author
  • A final preparation chapter that guides you through tools and resources to help you craft your review and test-taking strategies
  • Study plan suggestions and templates to help you organize and optimize your study time

Well regarded for its level of detail, study plans, assessment features, challenging review questions and exercises, video instruction, and hands-on labs, this official study guide helps you master the concepts and techniques that ensure your success.

This official study guide helps you master all the topics on the CCENT/CCNA ICND1 exam, including

· Networking fundamentals

· Implementing basic Ethernet LANs

· Ethernet LANs: design, VLANs, and troubleshooting

· IPv4 addressing and subnetting

· Implementing IPv4

· IPv4 design and troubleshooting

· IPv4 services: ACLs and NAT

· IPv6

· Network device management

The DVD contains more than 500 unique practice exam questions, ICND1 Network Simulator Lite software, online practice exercises, and 90 minutes of video training.

Includes Exclusive Offers For Up to 70% Off Video Training and Network Simulator Software

Pearson IT Certification Practice Test minimum system requirements:

Windows 10, Windows 8.1, Windows 7, or Vista (SP2), Microsoft .NET Framework 4.5 Client; Pentium-class 1 GHz processor (or equivalent); 512 MB RAM; 650 MB disk space plus 50 MB for each downloaded practice exam; access to the Internet to register and download exam databases

In addition to the wealth of updated content, this new edition includes a series of free hands-on exercises to help you master several real-world configuration and troubleshooting activities. These exercises can be performed on the CCENT/CCNA ICND1 100-105 Network Simulator Lite software included for free on the DVD or companion web page that accompanies this book. This software, which simulates the experience of working on actual Cisco routers and switches, contains the following 24 free lab exercises, covering all the topics in Part II, the first hands-on configuration section of the book:

1. Configuring Hostnames

2. Configuring Local Usernames

3. Configuring Switch IP Settings

4. Interface Settings I

5. Interface Settings II

6. Interface Settings III

7. Interface Status I

8. Interface Status II

9. Interface Status III

10. Interface Status IV

11. Setting Switch Passwords

12. Switch CLI Configuration Process I

13. Switch CLI Configuration Process II

14. Switch CLI Exec Mode

15. Switch Forwarding I

16. Switch IP Address

17. Switch IP Connectivity I

18. Switch Security I

19. Switch Security II

20. Switch Security III

21. Switch Security IV

22. Switch Security Configuration Scenario

23. Switch Interfaces and Forwarding Configuration Scenario

24. Port Security Troubleshooting Scenario

If you are interested in exploring more hands-on labs and practicing configuration and troubleshooting with more router and switch commands, see the special 50% discount offer in the coupon code included in the sleeve in the back of this book.

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· 1 GB RAM (32-bit) or 2 GB RAM (64-bit)

· 16 GB available hard disk space (32-bit) or 20 GB (64-bit)

· DirectX 9 graphics device with WDDM 1.0 or higher driver

· Adobe Acrobat Reader version 8 and above

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· Intel core Duo 1.83 GHz

· 512 MB RAM (1 GB recommended)

· 1.5 GB hard disk space

· 32-bit color depth at 1024x768 resolution

· Adobe Acrobat Reader version 8 and above

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Wendell Odom, CCIE No. 1624 (Emeritus), 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 study tools. This book is his 27th edition of some product for Pearson, and he is the author of all editions of the CCNA R&S and CCENT Cert Guides from Cisco Press. He has written books about topics from networking basics, certification guides throughout the years for CCENT, CCNA R&S, CCNA DC, CCNP ROUTE, CCNP QoS, and CCIE R&S. He helped develop the popular Pearson Network Simulator. He maintains study tools, links to his blogs, and other resources at


Introduction xxxvi

Your Study Plan 2

Part I Networking Fundamentals 13

Chapter 1 Introduction to TCP/IP Networking 14

Foundation Topics 15

Perspectives on Networking 15

TCP/IP Networking Model 16

History Leading to TCP/IP 17

Overview of the TCP/IP Networking Model 18

TCP/IP Application Layer 19

TCP/IP Transport Layer 20

TCP/IP Network Layer 22

TCP/IP Link Layer (Data Link Plus Physical) 25

TCP/IP Model and Terminology 26

OSI Networking Model 28

Comparing OSI and TCP/IP 29

Describing Protocols by Referencing the OSI Layers 29

OSI Layers and Their Functions 30

OSI Layering Concepts and Benefits 31

OSI Encapsulation Terminology 31

Chapter Summary 33

Chapter 2 Fundamentals of Ethernet LANs 38

Foundation Topics 39

An Overview of LANs 39

Typical SOHO LANs 39

Typical Enterprise LANs 40

The Variety of Ethernet Physical Layer Standards 41

Consistent Behavior over All Links Using the Ethernet Data Link Layer 41

Building Physical Ethernet Networks with UTP 42

Transmitting Data Using Twisted Pairs 42

Breaking Down a UTP Ethernet Link 43

UTP Cabling Pinouts for 10BASE-T and 100BASE-T 45

UTP Cabling Pinouts for 1000BASE-T 48

Sending Data in Ethernet Networks 48

Ethernet Data-Link Protocols 49

Sending Ethernet Frames with Switches and Hubs 52

Chapter Summary 55

Chapter 3 Fundamentals of WANs 60

Foundation Topics 61

Leased-Line WANs 61

Positioning Leased Lines with LANs and Routers 61

Physical Details of Leased Lines 62

Data-Link Details of Leased Lines 64

Ethernet as a WAN Technology 67

Ethernet WANs that Create a Layer 2 Service 68

How Routers Route IP Packets Using Ethernet Emulation 68

Accessing the Internet 69

The Internet as a Large WAN 69

Internet Access (WAN) Links 71

Digital Subscriber Line 72

Cable Internet 73

Chapter Summary 75

Chapter 4 Fundamentals of IPv4 Addressing and Routing 78

Foundation Topics 79

Overview of Network Layer Functions 79

Network Layer Routing (Forwarding) Logic 79

How Network Layer Routing Uses LANs and WANs 81

IP Addressing and How Addressing Helps IP Routing 82

Routing Protocols 83

IPv4 Addressing 84

Rules for IP Addresses 84

Rules for Grouping IP Addresses 84

IP Subnetting 89

IPv4 Routing 90

IPv4 Host Routing 90

Router Forwarding Decisions and the IP Routing Table 91

IPv4 Routing Protocols 93

Other Network Layer Features 94

Using Names and the Domain Name System 95

The Address Resolution Protocol 96

ICMP Echo and the ping Command 97

Chapter Summary 98

Chapter 5 Fundamentals of TCP/IP Transport and Applications 102

Foundation Topics 103

TCP/IP Layer 4 Protocols: TCP and UDP 103

Transmission Control Protocol 103

User Datagram Protocol 111

TCP/IP Applications 112

Uniform Resource Identifiers 112

Finding the Web Server Using DNS 113

Transferring Files with HTTP 114

How the Receiving Host Identifies the Correct Receiving Application 115

Chapter Summary 117

Part I Review 120

Part II Implementing Basic Ethernet LANs 123

Chapter 6 Using the Command-Line Interface 124

Foundation Topics 125

Accessing the Cisco Catalyst Switch CLI 125

Cisco Catalyst Switches 125

Accessing the Cisco IOS CLI 126

CLI Help Features 132

The debug and show Commands 134

Configuring Cisco IOS Software 134

Configuration Submodes and Contexts 135

Storing Switch Configuration Files 137

Copying and Erasing Configuration Files 139

Chapter Summary 140

Chapter 7 Analyzing Ethernet LAN Switching 146

Foundation Topics 147

LAN Switching Concepts 147

Overview of Switching Logic 147

Forwarding Known Unicast Frames 148

Learning MAC Addresses 151

Flooding Unknown Unicast and Broadcast Frames 151

Avoiding Loops Using Spanning Tree Protocol 152

LAN Switching Summary 153

Verifying and Analyzing Ethernet Switching 154

Demonstrating MAC Learning 154

Switch Interfaces 155

Finding Entries in the MAC Address Table 157

Managing the MAC Address Table (Aging, Clearing) 158

MAC Address Tables with Multiple Switches 159

Chapter Summary 161

Chapter 8 Configuring Basic Switch Management 166

Foundation Topics 167

Securing the Switch CLI 167

Securing User Mode and Privileged Mode with Simple Passwords 167

Securing User Mode Access with Local Usernames and Passwords 171

Securing User Mode Access with External Authentication Servers 173

Securing Remote Access with Secure Shell 174

Enabling IPv4 for Remote Access 177

Host and Switch IP Settings 177

Configuring IPv4 on a Switch 179

Configuring a Switch to Learn Its IP Address with DHCP 180

Verifying IPv4 on a Switch 180

Miscellaneous Settings Useful in Lab 181

History Buffer Commands 181

The logging synchronous, exec-timeout, and no ip domain-lookup Commands 182

Chapter Summary 183

Chapter 9 Configuring Switch Interfaces 188

Foundation Topics 189

Configuring Switch Interfaces 189

Configuring Speed, Duplex, and Description 189

Configuring Multiple Interfaces with the interface range Command 191

Administratively Controlling Interface State with shutdown 191

Removing Configuration with the no Command 193

Autonegotiation 194

Port Security 197

Configuring Port Security 198

Verifying Port Security 200

Port Security Violation Actions 201

Port Security MAC Addresses as Static and Secure but Not Dynamic 202

Chapter Summary 203

Part II Review 210

Part III Ethernet LANs: Design, VLANs, and Troubleshooting 215

Chapter 10 Analyzing Ethernet LAN Designs 216

Foundation Topics 217

Analyzing Collision Domains and Broadcast Domains 217

Ethernet Collision Domains 217

Ethernet Broadcast Domains 220

Analyzing Campus LAN Topologies 223

Two-Tier Campus Design (Collapsed Core) 223

Three-Tier Campus Design (Core) 226

Topology Design Terminology 227

Analyzing LAN Physical Standard Choices 228

Ethernet Standards 229

Choosing the Right Ethernet Standard for Each Link 229

Wireless LANs Combined with Wired Ethernet 231

Chapter Summary 235

Chapter 11 Implementing Ethernet Virtual LANs 240

Foundation Topics 241

Virtual LAN Concepts 241

Creating Multiswitch VLANs Using Trunking 242

Forwarding Data Between VLANs 245

VLAN and VLAN Trunking Configuration and Verification 248

Creating VLANs and Assigning Access VLANs to an Interface 248

VLAN Trunking Protocol 252

VLAN Trunking Configuration 253

Implementing Interfaces Connected to Phones 257

Chapter Summary 262

Chapter 12 Troubleshooting Ethernet LANs 268

Foundation Topics 270

Perspectives on Applying Troubleshooting Methodologies 270

Troubleshooting on the Exams 270

A Deeper Look at Problem Isolation 271

Troubleshooting as Covered in This Book 273

Analyzing Switch Interface Status and Statistics 273

Interface Status Codes and Reasons for Nonworking States 274

Interface Speed and Duplex Issues 275

Common Layer 1 Problems on Working Interfaces 277

Predicting Where Switches Will Forward Frames 279

Predicting the Contents of the MAC Address Table 279

Analyzing the Forwarding Path 281

Analyzing Port Security Operations on an Interface 282

Troubleshooting Shutdown Mode and Err-disabled Recovery 283

Troubleshooting Restrict and Protect Modes 284

Analyzing VLANs and VLAN Trunks 286

Ensuring That the Right Access Interfaces Are in the Right VLANs 287

Access VLANs Not Being Defined 287

Access VLANs Being Disabled 288

Mismatched Trunking Operational States 288

Chapter Summary 290

Part III Review 296

Part IV IP Version 4 Addressing and Subnetting 299

Chapter 13 Perspectives on IPv4 Subnetting 300

Foundation Topics 301

Introduction to Subnetting 301

Subnetting Defined Through a Simple Example 301

Operational View Versus Design View of Subnetting 302

Analyze Subnetting and Addressing Needs 303

Rules About Which Hosts Are in Which Subnet 303

Determining the Number of Subnets 304

Determining the Number of Hosts per Subnet 305

One Size Subnet Fits All-Or Not 306

Make Design Choices 308

Choose a Classful Network 309

Choose the Mask 311

Build a List of All Subnets 315

Plan the Implementation 316

Assigning Subnets to Different Locations 316

Choose Static and Dynamic Ranges per Subnet 318

Chapter Summary 319

Chapter 14 Analyzing Classful IPv4 Networks 322

Foundation Topics 323

Classful Network Concepts 323

IPv4 Network Classes and Related Facts 323

Number of Hosts per Network 326

Deriving the Network ID and Related Numbers 326

Unusual Network IDs and Network Broadcast Addresses 328

Practice with Classful Networks 329

Practice Deriving Key Facts Based on an IP Address 329

Practice Remembering the Details of Address Classes 329

Chapter Summary 331

Chapter 15 Analyzing Subnet Masks 336

Foundation Topics 337

Subnet Mask Conversion 337

Three Mask Formats 337

Converting Between Binary and Prefix Masks 338

Converting Between Binary and DDN Masks 338

Converting Between Prefix and DDN Masks 340

Practice Converting Subnet Masks 341

Identifying Subnet Design Choices Using Masks 341

Masks Divide the Subnet's Addresses into Two Parts 342

Masks and Class Divide Addresses into Three Parts 343

Classless and Classful Addressing 344

Calculations Based on the IPv4 Address Format 344

Practice Analyzing Subnet Masks 346

Chapter Summary 347

Chapter 16 Analyzing Existing Subnets 352

Foundation Topics 353

Defining a Subnet 353

An Example with Network and Four Subnets 353

Subnet ID Concepts 354

Subnet Broadcast Address 355

Range of Usable Addresses 356

Analyzing Existing Subnets: Binary 356

Finding the Subnet ID: Binary 356

Finding the Subnet Broadcast Address: Binary 358

Binary Practice Problems 359

Shortcut for the Binary Process 360

Brief Note About Boolean Math 361

Finding the Range of Addresses 361

Analyzing Existing Subnets: Decimal 362

Analysis with Easy Masks 362

Predictability in the Interesting Octet 363

Finding the Subnet ID: Difficult Masks 364

Finding the Subnet Broadcast Address: Difficult Masks 366

Practice Analyzing Existing Subnets 368

A Choice: Memorize or Calculate 368

Chapter Summary 369

Part IV Review 374

Part V Implementing IPv4 377

Chapter 17 Operating Cisco Routers 378

Foundation Topics 379

Installing Cisco Routers 379

Installing Enterprise Routers 379

Installing Internet Access Routers 381

Enabling IPv4 Support on Cisco Router Interfaces 383

Accessing the Router CLI 383

Router Interfaces 384

Router Auxiliary Port 390

Chapter Summary 391

Chapter 18 Configuring IPv4 Addresses and Static Routes 396

Foundation Topics 398

IP Routing 398

IPv4 Routing Process Reference 398

An Example of IP Routing 400

Configuring IP Addresses and Connected Routes 404

Connected Routes and the ip address Command 404

The ARP Table on a Cisco Router 406

Routing Between Subnets on VLANs 407

Configuring Static Routes 412

Static Route Configuration 413

Static Host Routes 414

Static Routes with No Competing Routes 415

Static Routes with Competing Routes 415

Static Default Routes 417

Troubleshooting Static Routes 418

Chapter Summary 420

Chapter 19 Learning IPv4 Routes with RIPv2 426

Foundation Topics 427

RIP and Routing Protocol Concepts 427

History of Interior Gateway Protocols 427

Comparing IGPs 427

Distance Vector Basics 429

Summarizing RIPv2 Features 432

Core RIPv2 Configuration and Verification 433

Configuring Core RIPv2 Features 433

RIPv2 Verification 436

Optional RIPv2 Configuration and Verification 440

Controlling RIP Updates with the passive-interface Command 441

Supporting Multiple Equal-Cost Routes with Maximum Paths 441

Understanding Autosummarization and Discontiguous Classful Networks 442

Verifying Optional RIP Features 444

RIPv2 Default Routes 446

Troubleshooting RIPv2 449

Symptoms with Missing and Incorrect network Commands 450

Issues Related to Passive Interfaces 452

Issues Related to auto-summary 452

RIP Issues Caused by Other Router Features 453

Summary of RIP Troubleshooting Issues 453

Chapter Summary 454

Chapter 20 DHCP and IP Networking on Hosts 460

Foundation Topics 461

Implementing and Troubleshooting DHCP 461

DHCP Concepts 461

DHCP Server Configuration on Routers 465

IOS DHCP Server Verification 467

Troubleshooting DHCP Services 468

Verifying Host IPv4 Settings 473

IP Address and Mask Configuration 473

Name Resolution with DNS 475

Default Routers 475

IPv4 Address Types 477

Review of Unicast (Class A, B, and C) IP Addresses 477

IP Broadcast Addresses 478

IPv4 Multicast Addresses (Class D Addresses) 479

Comparing and Contrasting IP Address Types 481

Chapter Summary 482

Part V Review 488

Part VI IPv4 Design and Troubleshooting 493

Chapter 21 Subnet Design 494

Foundation Topics 495

Choosing the Mask(s) to Meet Requirements 495

Review: Choosing the Minimum Number of Subnet and Host Bits 495

No Masks Meet Requirements 496

One Mask Meets Requirements 497

Multiple Masks Meet Requirements 497

The Formal Process 500

Practice Choosing Subnet Masks 500

Finding All Subnet IDs 501

First Subnet ID: The Zero Subnet 501

Finding the Pattern Using the Magic Number 502

A Formal Process with Less Than 8 Subnet Bits 503

Finding All Subnets with Exactly 8 Subnet Bits 506

Finding All Subnets with More Than 8 Subnet Bits 507

Practice Finding All Subnet IDs 509

Chapter Summary 511

Chapter 22 Variable-Length Subnet Masks 518

Foundation Topics 519

VLSM Concepts and Configuration 519

Classless and Classful Routing Protocols 519

VLSM Configuration and Verification 520

Finding VLSM Overlaps 521

Designing Subnetting Plans with VLSM 521

An Example of Finding a VLSM Overlap 523

Practice Finding VLSM Overlaps 524

Adding a New Subnet to an Existing VLSM Design 524

An Example of Adding a New VLSM Subnet 525

Chapter Summary 527

Chapter 23 IPv4 Troubleshooting Tools 532

Foundation Topics 533

Problem Isolation Using the ping Command 533

Ping Command Basics 533

Strategies and Results When Testing with the ping Command 534

Using Ping with Names and with IP Addresses 541

Problem Isolation Using the traceroute Command 542

traceroute Basics 542

Using traceroute to Isolate the Problem to Two Routers 545

Telnet and SSH 547

Common Reasons to Use the IOS Telnet and SSH Client 547

IOS Telnet and SSH Examples 548

Chapter Summary 550

Chapter 24 Troubleshooting IPv4 Routing 552

Foundation Topics 553

Problems Between the Host and the Default Router 553

Root Causes Based on a Host's IPv4 Settings 553

Root Causes Based on the Default Router's Configuration 558

Problems with Routing Packets Between Routers 561

IP Forwarding by Matching the Most Specific Route 562

Routing Problems Caused by Incorrect Addressing Plans 565

Pointers to Related Troubleshooting Topics 569

Chapter Summary 571

Part VI Review 574

Part VII IPv4 Services: ACLs and NAT 579

Chapter 25 Basic IPv4 Access Control Lists 580

Foundation Topics 581

IPv4 Access Control List Basics 581

ACL Location and Direction 581

Matching Packets 582

Taking Action When a Match Occurs 583

Types of IP ACLs 583

Standard Numbered IPv4 ACLs 583

List Logic with IP ACLs 584

Matching Logic and Command Syntax 585

Implementing Standard IP ACLs 588

Troubleshooting and Verification Tips 592

Practice Applying Standard IP ACLs 593

Practice Building access-list Commands 593

Reverse Engineering from ACL to Address Range 594

Chapter Summary 596

Chapter 26 Advanced IPv4 Access Control Lists 602

Foundation Topics 603

Extended Numbered IP Access Control Lists 603

Matching the Protocol, Source IP, and Destination IP 603

Matching TCP and UDP Port Numbers 604

Extended IP ACL Configuration 607

Practice Building access-list Commands 610

Named ACLs and ACL Editing 610

Named IP Access Lists 611

Editing ACLs Using Sequence Numbers 612

Numbered ACL Configuration Versus Named ACL Configuration 614

ACL Implementation Considerations 615

Troubleshooting with IPv4 ACLs 616

Analyzing ACL Behavior in a Network 616

ACL Interactions with Router-Generated Packets 621

Chapter Summary 624

Chapter 27 Network Address Translation 630

Foundation Topics 631

Perspectives on IPv4 Address Scalability 631

CIDR 631

Private Addressing 632

Network Address Translation Concepts 633

Static NAT 633

Dynamic NAT 636

Overloading NAT with Port Address Translation 637

NAT Configuration and Troubleshooting 638

Static NAT Configuration 638

Dynamic NAT Configuration 640

Dynamic NAT Verification 642

NAT Overload (PAT) Configuration 644

NAT Troubleshooting 646

Chapter Summary 648

Part VII Review 654

Part VIII IP Version 6 659

Chapter 28 Fundamentals of IP Version 6 660

Foundation Topics 661

Introduction to IPv6 661

IPv6 Addressing Formats and Conventions 666

Chapter Summary 672

Chapter 29 IPv6 Addressing and Subnetting 678

Foundation Topics 679

Global Unicast Addressing Concepts 679

A Brief Review of Public and Private IPv4 Addresses 679

The IPv6 Global Routing Prefix 682

Address Ranges for Global Unicast Addresses 683

IPv6 Subnetting Using Global Unicast Addresses 684

Assigning Addresses to Hosts in a Subnet 688

Unique Local Unicast Addresses 689

Subnetting with Unique Local IPv6 Addresses 689

The Need for Globally Unique Local Addresses 690

Chapter Summary 691

Chapter 30 Implementing IPv6 Addressing on Routers 694

Foundation Topics 695

Implementing Unicast IPv6 Addresses on Routers 695

Static Unicast Address Configuration 696

Dynamic Unicast Address Configuration 702

Special Addresses Used by Routers 703

Link-Local Addresses 703

IPv6 Multicast Addresses 706

Miscellaneous IPv6 Addresses 710

IPv6 Addressing Configuration Summary 710

Chapter Summary 712

Chapter 31 Implementing IPv6 Addressing on Hosts 718

Foundation Topics 719

The Neighbor Discovery Protocol 719

Discovering Routers with NDP RS and RA 719

Discovering Addressing Info for SLAAC with NDP RS and RA 720

Discovering Neighbor Link Addresses with NDP NS and NA 721

Discovering Duplicate Addresses Using NDP NS and NA 722

NDP Summary 723

Dynamic Configuration of Host IPv6 Settings 724

Dynamic Configuration Using Stateful DHCP and NDP 724

Using Stateless Address Auto Configuration 727

Troubleshooting IPv6 Addressing 729

Verifying Host IPv6 Connectivity from Hosts 729

Verifying Host Connectivity from Nearby Routers 731

Chapter Summary 734

Chapter 32 Implementing IPv6 Routing 740

Foundation Topics 741

Connected and Local IPv6 Routes 741

Rules for Connected and Local Routes 741

Example of Connected IPv6 Routes 742

Examples of Local IPv6 Routes 743

Static IPv6 Routes 744

Static Routes Using the Outgoing Interface 744

Static Routes Using Next-Hop IPv6 Address 746

Static Default Routes 748

Static IPv6 Host Routes 749

Floating Static IPv6 Routes 749

Default Routes with SLAAC on Router Interfaces 751

Troubleshooting Static IPv6 Routes 752

Chapter Summary 756

Part VIII Review 760

Part IX Network Device Management 763

Chapter 33 Device Management Protocols 764

Foundation Topics 765

System Message Logging (Syslog) 765

Sending Messages in Real Time to Current Users 765

Storing Log Messages for Later Review 766

Log Message Format 766

Log Message Severity Levels 767

Configuring and Verifying System Logging 768

The debug Command and Log Messages 770

Network Time Protocol (NTP) 771

Setting the Time and Timezone 772

Implementing NTP Clients, Servers, and Client/Server Mode 773

NTP Using a Loopback Interface for Better Availability 775

Analyzing Topology Using CDP and LLDP 776

Examining Information Learned by CDP 776

Configuring and Verifying CDP Itself 779

Implementing Link Layer Discovery Protocol 780

Chapter Summary 782

Chapter 34 Device Security Features 788

Foundation Topics 789

Securing IOS Passwords 789

Encrypting Older IOS Passwords with service password-encryption 789

Encoding the Enable Passwords with Hashes 790

Hiding the Passwords for Local Usernames 794

Cisco Device Hardening 794

Configuring Login Banners 794

Securing Unused Switch Interfaces 796

Controlling Telnet and SSH Access with ACLs 797

Firewalls 797

Chapter Summary 801

Chapter 35 Managing IOS Files 806

Foundation Topics 807

Managing Cisco IOS Images and Upgrades 807

The IOS File System 807

Upgrading IOS Images 808

The Cisco IOS Software Boot Sequence 813

Password Recovery 818

The General Ideas Behind Cisco Password Recovery/Reset 819

A Specific Password Reset Example 820

Managing Configuration Files 821

Copying and Erasing Configuration Files 822

Initial Configuration (Setup Mode) 825

Chapter Summary 827

Chapter 36 IOS License Management 832

Foundation Topics 833

IOS Packaging 833

IOS Images per Model, Series, and per Software Version/Release 833

Original Packaging: One IOS Image per Feature Set Combination 834

New IOS Packaging: One Universal Image with All Feature Sets 834

IOS Software Activation with Universal Images 835

The Future: Cisco ONE Licensing 836

Managing Software Activation with Cisco License Manager 837

Manually Activating Software Using Licenses 838

Example of Manually Activating a License 839

Right-to-Use Licenses 843

Chapter Summary 845

Part IX Review 848

Part X Final Review 851

Chapter 37 Final Review 852

Advice About the Exam Event 852

Learn the Question Types Using the Cisco Certification Exam Tutorial 852

Think About Your Time Budget Versus Number of Questions 853

A Suggested Time-Check Method 854

Miscellaneous Pre-Exam Suggestions 854

Exam-Day Advice 854

Reserve the Hour After the Exam in Case You Fail 855

Exam Review 856

Practice Subnetting and Other Math-Related Skills 856

Take Practice Exams 858

Find Knowledge Gaps Through Question Review 860

Practice Hands-On CLI Skills 862

Assess Whether You Are Ready to Pass (and the Fallacy of Exam Scores) 864

Study Suggestions After Failing to Pass 865

Other Study Tasks 866

Final Thoughts 866

Part XI Appendixes 869

Appendix A Numeric Reference Tables 870

Appendix B CCENT/CCNA ICND1 100-105 Exam Updates 876

Glossary 878

DVD Appendixes

Appendix C Answers to the Review Questions

Appendix D Practice for Chapter 14: Analyzing Classful IPv4 Networks

Appendix E Practice for Chapter 15: Analyzing Subnet Masks

Appendix F Practice for Chapter 16: Analyzing Existing Subnets

Appendix G Practice for Chapter 21: Subnet Design

Appendix H Practice for Chapter 22: Variable-Length Subnet Masks

Appendix I Practice for Chapter 25: Basic IPv4 Access Control Lists

Appendix J Practice for Chapter 28: Fundamentals of IP Version 6

Appendix K Practice for Chapter 30: Implementing IPv6 Addressing on Routers

Appendix L Mind Map Solutions

Appendix M Study Planner

Appendix N Classless Inter-domain Routing

Appendix O Route Summarization

Appendix P Implementing Point-to-Point WANs

Appendix Q Topics from Previous Editions

Appendix R Exam Topics Cross Reference

9781587205972 TOC 5/17/2016


EAN / 13-stellige ISBN 978-0134514734
10-stellige ISBN 0134514734
Verlag Pearson ITP
Imprint Cisco Press
Sprache Englisch
Auflage 1. Auflage im Jahr 2016
Anmerkungen zur Auflage 1. Auflage
Editionsform Non Books / PBS
Einbandart E-Book
Typ des digitalen Artikels PDF
Copyright PDF Watermark
Erscheinungsdatum 17. Mai 2016
Beilage Electronic book text
Warengruppe des Lieferanten Naturwissenschaften - Informatik, EDV
Mehrwertsteuer 7% (im angegebenen Preis enthalten)
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