CCENT/CCNA ICND1 100-105 Official Cert Guide

CCENT/CCNA ICND1 Official Certification Guide is a comprehensive self-study tool for professionals preparing for the new ICND1 exam. Complete coverage of all exam topics as posted on the exam topic blueprint ensures readers will arrive at a thorough understanding of what they need to master to succeed on the exam.

Sommario

Introduction xxxiv

Your Study Plan 2

Part I Networking Fundamentals 13

Chapter 1 Introduction to TCP/IP Networking 14

“Do I Know This Already?” Quiz 14

Foundation Topics 17

Perspectives on Networking 17

TCP/IP Networking Model 18

    History Leading to TCP/IP 19

    Overview of the TCP/IP Networking Model 20

    TCP/IP Application Layer 22

    TCP/IP Transport Layer 23

    TCP/IP Network Layer 25

    TCP/IP Link Layer (Data Link Plus Physical) 28

    TCP/IP Model and Terminology 30

OSI Networking Model 32

    Comparing OSI and TCP/IP 32

    Describing Protocols by Referencing the OSI Layers 33

    OSI Layers and Their Functions 33

    OSI Layering Concepts and Benefits 35

    OSI Encapsulation Terminology 35

Chapter 2 Fundamentals of Ethernet LANs 38

“Do I Know This Already?” Quiz 38

Foundation Topics 40

An Overview of LANs 40

    Typical SOHO LANs 41

    Typical Enterprise LANs 42

    The Variety of Ethernet Physical Layer Standards 43

    Consistent Behavior over All Links Using the Ethernet Data Link Layer 44

Building Physical Ethernet Networks with UTP 45

    Transmitting Data Using Twisted Pairs 45

    Breaking Down a UTP Ethernet Link 46

    UTP Cabling Pinouts for 10BASE-T and 100BASE-T 48

    UTP Cabling Pinouts for 1000BASE-T 51

Sending Data in Ethernet Networks 51

    Ethernet Data-Link Protocols 51

    Sending Ethernet Frames with Switches and Hubs 55

Chapter 3 Fundamentals of WANs 60

“Do I Know This Already?” Quiz 60

Foundation Topics 62

Leased-Line WANs 62

    Positioning Leased Lines with LANs and Routers 62

    Physical Details of Leased Lines 63

    Data-Link Details of Leased Lines 66

Ethernet as a WAN Technology 69

    Ethernet WANs that Create a Layer 2 Service 70

    How Routers Route IP Packets Using Ethernet Emulation 71

Accessing the Internet 72

    The Internet as a Large WAN 72

    Internet Access (WAN) Links 73

    Digital Subscriber Line 74

    Cable Internet 76

Chapter 4 Fundamentals of IPv4 Addressing and Routing 78

“Do I Know This Already?” Quiz 78

Foundation Topics 81

Overview of Network Layer Functions 81

    Network Layer Routing (Forwarding) Logic 81

    How Network Layer Routing Uses LANs and WANs 83

    IP Addressing and How Addressing Helps IP Routing 84

    Routing Protocols 85

IPv4 Addressing 86

    Rules for IP Addresses 86

    Rules for Grouping IP Addresses 87

    IP Subnetting 91

IPv4 Routing 93

    IPv4 Host Routing 93

    Router Forwarding Decisions and the IP Routing Table 94

IPv4 Routing Protocols 96

Other Network Layer Features 98

    Using Names and the Domain Name System 98

    The Address Resolution Protocol 99

    ICMP Echo and the ping Command 100

Chapter 5 Fundamentals of TCP/IP Transport and Applications 102

“Do I Know This Already?” Quiz 102

Foundation Topics 104

TCP/IP Layer 4 Protocols: TCP and UDP 104

    Transmission Control Protocol 105

    User Datagram Protocol 113

TCP/IP Applications 114

    Uniform Resource Identifiers 114

    Finding the Web Server Using DNS 115

    Transferring Files with HTTP 117

    How the Receiving Host Identifies the Correct Receiving Application 118

Part I Review 120

Part II Implementing Basic Ethernet LANs 125

Chapter 6 Using the Command-Line Interface 126

“Do I Know This Already?” Quiz 126

Foundation Topics 128

Accessing the Cisco Catalyst Switch CLI 128

    Cisco Catalyst Switches 128

    Accessing the Cisco IOS CLI 129

    CLI Help Features 136

    The debug and show Commands 137

Configuring Cisco IOS Software 138

    Configuration Submodes and Contexts 139

    Storing Switch Configuration Files 141

    Copying and Erasing Configuration Files 143

Chapter 7 Analyzing Ethernet LAN Switching 146

“Do I Know This Already?” Quiz 146

Foundation Topics 148

LAN Switching Concepts 148

    Overview of Switching Logic 149

    Forwarding Known Unicast Frames 150

    Learning MAC Addresses 153

    Flooding Unknown Unicast and Broadcast Frames 154

    Avoiding Loops Using Spanning Tree Protocol 154

    LAN Switching Summary 155

Verifying and Analyzing Ethernet Switching 156

    Demonstrating MAC Learning 156

    Switch Interfaces 158

    Finding Entries in the MAC Address Table 159

    Managing the MAC Address Table (Aging, Clearing) 161

    MAC Address Tables with Multiple Switches 162

Chapter 8 Configuring Basic Switch Management 166

“Do I Know This Already?” Quiz 166

Foundation Topics 168

Securing the Switch CLI 168

    Securing User Mode and Privileged Mode with Simple Passwords 169

    Securing User Mode Access with Local Usernames and Passwords 173

    Securing User Mode Access with External Authentication Servers 175

    Securing Remote Access with Secure Shell 176

Enabling IPv4 for Remote Access 179

    Host and Switch IP Settings 179

    Configuring IPv4 on a Switch 181

    Configuring a Switch to Learn Its IP Address with DHCP 182

    Verifying IPv4 on a Switch 183

Miscellaneous Settings Useful in Lab 184

    History Buffer Commands 184

    The logging synchronous, exec-timeout, and no ip domain-lookup Commands 184

Chapter 9 Configuring Switch Interfaces 190

“Do I Know This Already?” Quiz 190

Foundation Topics 192

Configuring Switch Interfaces 192

    Configuring Speed, Duplex, and Description 193

    Configuring Multiple Interfaces with the interface range Command 195

    Administratively Controlling Interface State with shutdown 195

    Removing Configuration with the no Command 197

    Autonegotiation 198

Port Security 202

    Configuring Port Security 203

    Verifying Port Security 205

    Port Security Violation Actions 207

    Port Security MAC Addresses as Static and Secure but Not Dynamic 207

Part II Review 212

Part III Ethernet LANs: Design, VLANs, and Troubleshooting 217

Chapter 10 Analyzing Ethernet LAN Designs 218

“Do I Know This Already?” Quiz 218

Foundation Topics 220

Analyzing Collision Domains and Broadcast Domains 220

    Ethernet Collision Domains 220

    Ethernet Broadcast Domains 224

Analyzing Campus LAN Topologies 227

    Two-Tier Campus Design (Collapsed Core) 227

    Three-Tier Campus Design (Core) 230

    Topology Design Terminology 232

Analyzing LAN Physical Standard Choices 233

    Ethernet Standards 234

    Choosing the Right Ethernet Standard for Each Link 235

    Wireless LANs Combined with Wired Ethernet 236

Chapter 11 Implementing Ethernet Virtual LANs 242

“Do I Know This Already?” Quiz 242

Foundation Topics 244

Virtual LAN Concepts 244

    Creating Multiswitch VLANs Using Trunking 246

    Forwarding Data Between VLANs 249

VLAN and VLAN Trunking Configuration and Verification 252

    Creating VLANs and Assigning Access VLANs to an Interface 252

    VLAN Trunking Protocol 257

    VLAN Trunking Configuration 258

    Implementing Interfaces Connected to Phones 262

Chapter 12 Troubleshooting Ethernet LANs 270

“Do I Know This Already?” Quiz 271

Foundation Topics 274

Perspectives on Applying Troubleshooting Methodologies 274

    Troubleshooting on the Exams 275

    A Deeper Look at Problem Isolation 275

    Troubleshooting as Covered in This Book 277

Analyzing Switch Interface Status and Statistics 278

    Interface Status Codes and Reasons for Nonworking States 278

    Interface Speed and Duplex Issues 279

    Common Layer 1 Problems on Working Interfaces 282

Predicting Where Switches Will Forward Frames 284

    Predicting the Contents of the MAC Address Table 284

    Analyzing the Forwarding Path 286

Analyzing Port Security Operations on an Interface 287

    Troubleshooting Shutdown Mode and Err-disabled Recovery 288

    Troubleshooting Restrict and Protect Modes 289

Analyzing VLANs and VLAN Trunks 292

    Ensuring That the Right Access Interfaces Are in the Right VLANs 292

    Access VLANs Not Being Defined 293

    Access VLANs Being Disabled 294

    Mismatched Trunking Operational States 294

Part III Review 298

Part IV IP Version 4 Addressing and Subnetting 301

Chapter 13 Perspectives on IPv4 Subnetting 302

“Do I Know This Already?” Quiz 302

Foundation Topics 304

Introduction to Subnetting 304

    Subnetting Defined Through a Simple Example 305

    Operational View Versus Design View of Subnetting 306

Analyze Subnetting and Addressing Needs 306

    Rules About Which Hosts Are in Which Subnet 306

    Determining the Number of Subnets 308

    Determining the Number of Hosts per Subnet 309

    One Size Subnet Fits All–Or Not 310

Make Design Choices 313

    Choose a Classful Network 313

    Choose the Mask 316

    Build a List of All Subnets 320

Plan the Implementation 321

    Assigning Subnets to Different Locations 322

    Choose Static and Dynamic Ranges per Subnet 323

Chapter 14 Analyzing Classful IPv4 Networks 326

“Do I Know This Already?” Quiz 326

Foundation Topics 328

Classful Network Concepts 328

    IPv4 Network Classes and Related Facts 328

    Number of Hosts per Network 331

    Deriving the Network ID and Related Numbers 332

    Unusual Network IDs and Network Broadcast Addresses 334

Practice with Classful Networks 334

    Practice Deriving Key Facts Based on an IP Address 335

    Practice Remembering the Details of Address Classes 335

Additional Practice for This Chapter’s Processes 337

Answers to Earlier Practice Problems 337

Chapter 15 Analyzing Subnet Masks 340

“Do I Know This Already?” Quiz 340

Foundation Topics 342

Subnet Mask Conversion 342

    Three Mask Formats 342

    Converting Between Binary and Prefix Masks 343

    Converting Between Binary and DDN Masks 344

    Converting Between Prefix and DDN Masks 346

    Practice Converting Subnet Masks 346

Identifying Subnet Design Choices Using Masks 347

    Masks Divide the Subnet’s Addresses into Two Parts 348

    Masks and Class Divide Addresses into Three Parts 349

    Classless and Classful Addressing 350

    Calculations Based on the IPv4 Address Format 350

    Practice Analyzing Subnet Masks 352

Additional Practice for This Chapter’s Processes 354

Answers to Earlier Practice Problems 354

Chapter 16 Analyzing Existing Subnets 356

“Do I Know This Already?” Quiz 356

Foundation Topics 358

Defining a Subnet 358

    An Example with Network 172.16.0.0 and Four Subnets 358

    Subnet ID Concepts 360

    Subnet Broadcast Address 361

    Range of Usable Addresses 361

Analyzing Existing Subnets: Binary 362

    Finding the Subnet ID: Binary 362

    Finding the Subnet Broadcast Address: Binary 364

    Binary Practice Problems 364

    Shortcut for the Binary Process 366

    Brief Note About Boolean Math 367

    Finding the Range of Addresses 367

Analyzing Existing Subnets: Decimal 368

    Analysis with Easy Masks 368

    Predictability in the Interesting Octet 369

    Finding the Subnet ID: Difficult Masks 370

    Finding the Subnet Broadcast Address: Difficult Masks 372

Practice Analyzing Existing Subnets 374

    A Choice: Memorize or Calculate 374

Additional Practice for This Chapter’s Processes 375

Answers to Earlier Practice Problems 376

Part IV Review 378

Part V Implementing IPv4 383

Chapter 17 Operating Cisco Routers 384

“Do I Know This Already?” Quiz 384

Foundation Topics 386

Installing Cisco Routers 386

    Installing Enterprise Routers 386

    Installing Internet Access Routers 389

Enabling IPv4 Support on Cisco Router Interfaces 390

    Accessing the Router CLI 390

Router Interfaces 391

    Interface Status Codes 393

    Router Interface IP Addresses 394

    Bandwidth and Clock Rate on Serial Interfaces 396

Router Auxiliary Port 398

Chapter 18 Configuring IPv4 Addresses and Static Routes 402

“Do I Know This Already?” Quiz 403

Foundation Topics 405

IP Routing 405

    IPv4 Routing Process Reference 405

    An Example of IP Routing 408

Configuring IP Addresses and Connected Routes 412

    Connected Routes and the ip address Command 413

    The ARP Table on a Cisco Router 415

    Routing Between Subnets on VLANs 415

Configuring Static Routes 422

    Static Route Configuration 422

    Static Host Routes 424

    Static Routes with No Competing Routes 425

    Static Routes with Competing Routes 425

    Static Default Routes 427

    Troubleshooting Static Routes 428

Chapter 19 Learning IPv4 Routes with RIPv2 434

“Do I Know This Already?” Quiz 435

Foundation Topics 437

RIP and Routing Protocol Concepts 437

    History of Interior Gateway Protocols 437

    Comparing IGPs 438

    Distance Vector Basics 439

    Summarizing RIPv2 Features 442

Core RIPv2 Configuration and Verification 443

    Configu...

Info autore

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.

Riassunto

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 presents you with an organized test-preparation routine through the use of proven series elements and techniques. “Do I Know This Already?” quizzes open each chapter and enable you to decide how much time you need to spend on each section. Exam topic lists make referencing easy. Chapter-ending Exam Preparation Tasks help you drill on key concepts you must know thoroughly.

 

·         Master Cisco CCENT/CCNA ICND1 100-105 exam topics

·         Assess your knowledge with chapter-opening quizzes

·         Review key concepts with exam preparation tasks

·         Practice with realistic exam questions on the CD-ROM

 

CCENT/CCNA ICND1 100-105 Official Cert Guide from Cisco Press enables you to succeed on the exam the first time and is the only self-study resource approved by Cisco.

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.

 

This complete study package includes

 

·         A test-preparation routine proven to help you pass the exams

·         Do I Know This Already? quizzes, which enable you to decide how much time you need to spend on each section

·         Chapter-ending and part-ending exercises, which help you drill on key concepts you must know thoroughly

·         Troubleshooting sections, which help you master the complex scenarios you will face on the exam

·         The powerful Pearson IT Certification Practice Test software, complete with hundreds of well-reviewed, exam-realistic questions, customization options, and detailed performance reports

·         A free copy of the CCENT 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 hone your knowledge

·         More than 90 minutes of video mentoring from the author

·         A final preparation chapter, which guides you through tools and resources to help you craft your review and test-taking strategies

·  &

Dettagli sul prodotto

• Autori: Wendell Odom
• Editore: Cisco Press
• Lingue: Inglese
• Formato: Prodotto multimediale
• Pubblicazione: 01.01.2016
• EAN: 9781587205804
• ISBN: 978-1-58720-580-4
• Pagine: 1024
• Dimensioni: 198 mm x 235 mm x 53 mm
• Peso: 1878 g
• Serie: Pearson; Pearson
• Categoria: Scienze naturali, medicina, informatica, tecnica > Informatica, EDP > Informatica