CompTIA Network+ N10-006 Cert Guide, Deluxe Edition

About

Features

• A test-preparation routine proven to help students pass the exams, approved by CompTIA
• Clearly defined chapter learning objectives cover all N10-006 exam topics
• Includes Chapter-ending review questions and exam preparation exercises, 40 Performance-based practice question simulations, and more than 60 minutes of video mentoring from the author, and more
• Comes with access to the powerful Pearson IT Certification Practice Test software, complete with hundreds of well-reviewed, exam-realistic questions, customization options, and detailed performance reports
• Includes a free copy of the CompTIA Network+ N10-006 Hands-on Lab Simulator, complete with 63 labs
  

Description

This approved study guide helps you master topics on the CompTIA Network+ N10-006 exam, including the following:

• Computer network fundamentals
• The OSI model and TCP/IP stack
• Media types, infrastructure components, and network devices
• Ethernet technology
• IPv4 and IPv6 addresses
• Routing IP traffic with dynamic routing protocols
• DNAT, SNAT, and PAT
• Multicast routing
• Wide Area Networks (WANs)
• Wireless LANs
• Network optimization and QoS
• Windows and UNIX command-line tools for network administration and troubleshooting
• Network security
• Troubleshooting common Layer 2, Layer 3, and wireless networking issues

CompTIA Network+ N10-006 Cert Guide, Deluxe Edition contains proven study features that enable you to succeed on the exam the first time. Best-selling authors and expert instructors Keith Barker and Kevin Wallace share preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills, essential for successful completion of the performance-based testing items on the exam. This complete, CompTIA-approved study package includes the following:

• A test-preparation routine proven to help you pass the exams approved by CompTIA
• Clearly defined chapter learning objectives covering all N10-006 exam topics
• Chapter-ending review questions and exam preparation exercises, which help you drill on key concepts you must know thoroughly
• The powerful Pearson IT Certification Practice Test software, complete with hundreds of well reviewed, exam-realistic questions, customization options, and detailed performance reports
• 40 performance-based practice question exercises to help you prepare for the hands-on exam questions
• More than 60 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
• An Exam Essentials appendix that quickly recaps all major chapter topics for easy reference, both in print and interactive digital format
• A key terms Glossary in both print and on the DVD, which acts as an interactive flash-card application
• Study plan suggestions and templates to help you organize and optimize your study time
• A 10% exam discount voucher (a $27 value!)

This Deluxe Edition also includes two special features:

• A free copy of the CompTIA Network+ N10-006 Authorized Cert Guide Premium Edition eBook and Practice Test. This package provides you access to three eBook files (PDF, EPUB, and Mobi/Kindle format), more than 400 exam-realistic practice test questions, and links from all the questions to the specific sections in the PDF eBook file for detailed explanations and review.
• A free copy of the CompTIA Network+ N10-006 Hands-on Lab Simulator, including 63 hands-on practice labs covering real-world network configuration scenarios in Windows GUI and Cisco router and switch CLI environments, hardware activities, network design exercises, and technology mapping tasks.

Companion DVD

The DVD contains more than 400 practice questions, 40 performance-based question exercises, glossary flash cards, an exam essentials review tool, memory table exercises and answer keys, a study planner tool, more than 60 minutes of video, and the Network+ Simulator.

Sample Content

Sample Pages

Download the sample pages (includes Chapter 8 and Index)

Table of Contents

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Introduction xxv

Chapter 1 Computer Network Fundamentals 2

Foundation Topics 4

Defining a Network 4

    The Purpose of Networks 4

    Overview of Network Components 5

Networks Defined by Geography 7

    LAN 7

    WAN 8

    Other Categories of Networks 8

        CAN 8

        MAN 8

        PAN 9

Networks Defined by Topology 9

    Physical Versus Logical Topology 9

    Bus Topology 11

    Ring Topology 13

    Star Topology 14

    Hub-and-Spoke Topology 15

    Full-Mesh Topology 17

    Partial-Mesh Topology 18

Networks Defined by Resource Location 19

    Client/Server Networks 19

    Peer-to-Peer Networks 21

Real-World Case Study 22

Summary 23

Exam Preparation Tasks 23

Review Questions 25

Chapter 2 The OSI Reference Model 28

Foundation Topics 30

The Purpose of Reference Models 30

    The OSI Model 31

        Layer 1: The Physical Layer 33

        Layer 2: The Data Link Layer 37

        Media Access Control 37

        Logical Link Control 38

        Layer 3: The Network Layer 40

        Layer 4: The Transport Layer 42

        Layer 5: The Session Layer 44

        Layer 6: The Presentation Layer 46

        Layer 7: The Application Layer 47

    The TCP/IP Stack 48

        Layers of the TCP/IP Stack 48

        Common Application Protocols in the TCP/IP Stack 51

Real-World Case Study 55

Summary 56

Exam Preparation Tasks 56

Review Questions 58

Chapter 3 Network Components 60

Foundation Topics 62

Media 62

    Coaxial Cable 62

    Twisted-Pair Cable 64

    Shielded Twisted Pair 64

    Unshielded Twisted Pair 65

    Plenum Versus Nonplenum Cable 68

    Fiber-Optic Cable 69

    Multimode Fiber 69

    Single-Mode Fiber 71

    Fiber Connector Polishing Styles 73

    Media Converters 74

    Cable Distribution 74

    Wireless Technologies 76

Network Infrastructure Devices 77

    Hubs 77

    Bridges 79

    Switches 80

    Multilayer Switches 87

    Routers 88

    Infrastructure Device Summary 89

Specialized Network Devices 90

    VPN Concentrators 90

    Firewalls 91

    DNS Servers 92

    DHCP Servers 94

    Proxy Servers 96

    Content Engines 97

    Content Switches 98

Virtual Network Devices 99

    Virtual Servers 99

    Virtual Routers and Firewalls 100

    Virtual Switches 101

    Virtual Desktops 102

    Other Virtualization Solutions 102

    Cloud Computing 103

    Software-Defined Networking 104

Voice over IP Protocols and Components 104

Real-World Case Study 105

Summary 106

Exam Preparation Tasks 107

Review Questions 109

Chapter 4 Ethernet Technology 112

Foundation Topics 114

Principles of Ethernet 114

    Ethernet Origins 114

    Carrier Sense Multiple Access Collision Detect 116

    Distance and Speed Limitations 120

Ethernet Switch Features 122

    Virtual LANs 122

    Switch Configuration for an Access Port 124

    Trunks 125

    Switch Configuration for a Trunk Port 127

    Spanning Tree Protocol 127

    Corruption of a Switch’s MAC Address Table 128

    Broadcast Storms 129

    STP Operation 130

    Link Aggregation 133

    LACP Configuration 134

    Power over Ethernet 135

    Port Monitoring 136

    Port Mirroring Configuration 138

    User Authentication 138

    Management Access and Authentication 140

    First-Hop Redundancy 141

    Other Switch Features 142

Real-World Case Study 143

Summary 144

Exam Preparation Tasks 144

Review Questions 146

Chapter 5 IPv4 and IPv6 Addresses 148

Foundation Topics 150

Binary Numbering 150

    Principles of Binary Numbering 150

    Converting a Binary Number to a Decimal Number 151

    Converting a Decimal Number to a Binary Number 151

    Binary Numbering Practice 153

    Binary Conversion Exercise 1 153

    Binary Conversion Exercise 1: Solution 154

    Binary Conversion Exercise 2 154

    Binary Conversion Exercise 2: Solution 154

    Binary Conversion Exercise 3 154

    Binary Conversion Exercise 3: Solution 155

    Binary Conversion Exercise 4 155

    Binary Conversion Exercise 4: Solution 156

IPv4 Addressing 157

    IPv4 Address Structure 157

    Classes of Addresses 159

    Types of Addresses 161

        Unicast 161

        Broadcast 161

        Multicast 162

Assigning IPv4 Addresses 163

    IP Addressing Components 163

    Static Configuration 164

    Dynamic Configuration 169

    BOOTP 169

    DHCP 169

    Automatic Private IP Addressing 171

Subnetting 172

    Purpose of Subnetting 172

    Subnet Mask Notation 173

    Subnet Notation: Practice Exercise 1 174

    Subnet Notation: Practice Exercise 1 Solution 174

    Subnet Notation: Practice Exercise 2 175

    Subnet Notation: Practice Exercise 2 Solution 175

    Extending a Classful Mask 175

    Borrowed Bits 175

    Calculating the Number of Created Subnets 176

    Calculating the Number of Available Hosts 176

    Basic Subnetting Practice: Exercise 1 177

    Basic Subnetting Practice: Exercise 1 Solution 177

    Basic Subnetting Practice: Exercise 2 178

    Basic Subnetting Practice: Exercise 2 Solution 178

    Calculating New IP Address Ranges 179

    Advanced Subnetting Practice: Exercise 1 182

    Advanced Subnetting Practice: Exercise 1 Solution 182

    Advanced Subnetting Practice: Exercise 2 183

    Advanced Subnetting Practice: Exercise 2 Solution 184

    Additional Practice 185

    Classless Interdomain Routing 186

IP Version 6 187

    Need for IPv6 187

    IPv6 Address Structure 188

    IPv6 Address Types 189

    IPv6 Data Flows 189

        Unicast 189

        Multicast 190

        Anycast 191

Real-World Case Study 192

Summary 192

Exam Preparation Tasks 193

Review Questions 194

Chapter 6 Routing IP Packets 198

Foundation Topics 200

Basic Routing Processes 200

Sources of Routing Information 203

    Directly Connected Routes 203

    Static Routes 204

    Dynamic Routing Protocols 205

Routing Protocol Characteristics 207

    Believability of a Route 208

    Metrics 208

    Interior Versus Exterior Gateway Protocols 209

    Route Advertisement Method 210

    Distance Vector 210

    Link State 212

Routing Protocol Examples 212

Address Translation 214

    NAT 214

    PAT 217

Multicast Routing 218

    IGMP 218

    PIM 220

    PIM-DM 221

    PIM-SM 223

Real-World Case Study 224

Summary 225

Exam Preparation Tasks 226

Review Questions 227

Chapter 7 Wide-Area Networks 230

Foundation Topics 232

WAN Properties 232

    WAN Connection Types 232

    WAN Data Rates 234

    WAN Media Types 235

    Physical Media 235

    Wireless Media 236

WAN Technologies 237

    Dedicated Leased Line 237

    T1 238

    E1 239

    T3 239

    E3 239

    CSU/DSU 239

    Metro Ethernet 240

    Point-to-Point Protocol 241

        Point-to-Point Protocol over Ethernet 242

        Microsoft RRAS 243

    Digital Subscriber Line 244

    Cable Modem 246

    Synchronous Optical Network 247

    Satellite 249

    Plain Old Telephone Service 251

    Integrated Services Digital Network 253

    Frame Relay 255

    Asynchronous Transfer Mode 256

    Multiprotocol Label Switching 259

    Overlay Networks 260

Real-World Case Study 261

Summary 261

Exam Preparation Tasks 262

Review Questions 263

Chapter 8 Wireless LANs 266

Foundation Topics 268

Introducing Wireless LANs 268

    WLAN Concepts and Components 268

    Wireless Routers 268

    Wireless Access Point 269

    Antennas 270

    Frequencies and Channels 273

    CSMA/CA 275

    Transmission Methods 276

    WLAN Standards 277

        802.11a 277

        802.11b 277

        802.11g 277

        802.11n 277

        802.11ac 278

        802.11x Standard Summary 278

Deploying Wireless LANs 279

    Types of WLANs 279

        IBSS 279

        BSS 280

        ESS 280

        Mesh Topology 281

    Sources of Interference 281

    Wireless AP Placement 283

Securing Wireless LANs 284

    Security Issues 284

    Approaches to WLAN Security 286

    Security Standards 288

        WEP 288

        WPA 289

        WPA2 289

    Additional Wireless Options 290

Real-World Case Study 290

Summary 291

Exam Preparation Tasks 291

Review Questions 293

Chapter 9 Network Optimization 296

Foundation Topics 298

High Availability 298

    High-Availability Measurement 298

    Fault-Tolerant Network Design 298

    Hardware Redundancy 300

    Layer 3 Redundancy 300

    Design Considerations for High-Availability Networks 301

    High-Availability Best Practices 302

    Content Caching 302

    Load Balancing 303

QoS Technologies 304

    Introduction to QoS 304

    QoS Configuration Steps 305

    QoS Components 306

    QoS Mechanisms 307

        Classification 308

        Marking 308

        Congestion Management 309

        Congestion Avoidance 309

        Policing and Shaping 310

        Link Efficiency 312

Case Study: SOHO Network Design 313

    Case Study Scenario 313

    Suggested Solution 315

    IP Addressing 315

    Layer 1 Media 317

    Layer 2 Devices 317

    Layer 3 Devices 318

    Wireless Design 318

    Environmental Factors 319

    Cost Savings Versus Performance 320

    Topology 320

Real-World Case Study 320

Summary 321

Exam Preparation Tasks 322

Review Questions 323

Chapter 10 Command-Line Tools 326

Foundation Topics 328

Windows Commands 328

    arp 328

    ipconfig 330

    nbtstat 333

    netstat 336

    nslookup 338

    ping 340

    ping with IPv6 342

    route 342

    tracert 346

    tracert with IPv6 347

    PathPing 348

UNIX Commands 348

    arp 349

    dig and nslookup 352

    host 353

    ifconfig 353

    traceroute 354

    traceroute for IPv6 355

    netstat 355

    ping 357

Real-World Case Study 359

Summary 360

Exam Preparation Tasks 360

Review Questions 362

Chapter 11 Network Management 366

Foundation Topics 368

Maintenance Tools 368

    Bit-Error Rate Tester 368

    Butt Set 369

    Cable Certifier 369

    Cable Tester 370

    Connectivity Software 370

    Crimper 370

    Electrostatic Discharge Wrist Strap 371

    Environmental Monitor 372

    Loopback Plug 373

    Multimeter 373

    Protocol Analyzer 374

    WiFi Analyzer 375

    Looking-Glass Sites 375

    Speed Test Sites 376

    Punch-Down Tool 376

    Throughput Tester 376

    Time Domain Reflectometer/Optical Time Domain Reflectometer 377

    Toner Probe 378

Configuration Management 378

Monitoring Resources and Reports 381

    SNMP 381

    Syslog 385

    Logs 387

    Application Logs 388

    Security Logs 388

    System Logs 389

Real-World Case Study 389

Summary 390

Exam Preparation Tasks 391

Review Questions 392

Chapter 12 Network Security 396

Foundation Topics 398

Security Fundamentals 398

    Network Security Goals 398

    Confidentiality 398

        Symmetric Encryption 399

        Asymmetric Encryption 400

    Integrity 402

    Availability 403

Categories of Network Attacks 403

    Confidentiality Attacks 403

    Integrity Attacks 407

    Availability Attacks 409

        Denial of Service 410

        Distributed Denial of Service 410

        TCP SYN Flood 410

        Buffer Overflow 411

        ICMP Attacks 411

        Electrical Disturbances 412

        Attacks on a System’s Physical Environment 413

    Physical Controls 414

Defending Against Attacks 414

    User Training 414

    Patching 415

    Security Policies 416

    Governing Policy 417

    Technical Policies 418

    End-User Policies 418

    More Detailed Documents 418

    Incident Response 419

    Vulnerability Scanners 420

    Nessus 420

    Nmap 421

    Honey Pots and Honey Nets 422

    Access Control Lists 423

Remote-Access Security 424

Firewalls 426

    Firewall Types 426

    Firewall Inspection Types 427

    Packet-Filtering Firewall 427

    Stateful Firewall 428

    Firewall Zones 429

    Unified Threat Management Firewalls 430

Virtual Private Networks 431

    Overview of IPsec with IKEv1 433

    IKE Modes and Phases 433

    Authentication Header and Encapsulating Security Payload 435

    The Five Steps in Setting Up and Tearing Down an IPsec Site-to-Site VPN Using IKEv1 437

    Other VPN Technologies 438

Intrusion Detection and Prevention 439

    IDS Versus IPS 439

    IDS and IPS Device Categories 440

    Detection Methods 440

        Signature-Based Detection 440

        Policy-Based Detection 441

        Anomaly-Based Detection 441

    Deploying Network-Based and Host-Based Solutions 442

Real-World Case Study 443

Summary 444

Exam Preparation Tasks 445

Review Questions 447

Chapter 13 Network Troubleshooting 450

Foundation Topics 452

Troubleshooting Basics 452

    Troubleshooting Fundamentals 452

    Structured Troubleshooting Methodology 454

Physical Layer Troubleshooting 457

    Physical Layer Troubleshooting: Scenario 458

    Physical Layer Troubleshooting: Solution 459

Data Link Layer Troubleshooting 460

    Data Link Layer Troubleshooting: Scenario 461

    Data Link Layer Troubleshooting: Solution 461

Network Layer Troubleshooting 462

    Layer 3 Data Structures 462

    Common Layer 3 Troubleshooting Issues 464

    Network Layer Troubleshooting: Scenario 465

    Network Layer Troubleshooting: Solution 466

Wireless Troubleshooting 467

    Wireless Network Troubleshooting: Scenario 469

    Wireless Network Troubleshooting: Solution 469

Specialized Networks 470

Real-World Case Study 470

Summary 471

Exam Preparation Tasks 472

Review Questions 473

Chapter 14 Final Preparation 476

Tools for Final Preparation 477

    Pearson Cert Practice Test Engine and Questions on the DVD 477

        Install the Software from the DVD 478

        Activate and Download the Practice Exam 479

        Activating Other Exams 480

        Premium Edition 480

    Video Training on DVD 480

    Memory Tables 481

    Simulations and Performance-Based Exercises 481

    End-of-Chapter Review Tools 481

Suggested Plan for Final Review and Study 481

Strategies for Taking the Exam 483

Summary 484

APPENDIX A Answers to Review Questions 486

APPENDIX C Exam Essentials 494

Glossary 506

Index 533

ON THE DVD:

APPENDIX D Memory Tables

APPENDIX E Memory Table Answer Key

APPENDIX F Study Planner  

Updates

Updates & Corrections

Download: Appendix B Update, Troubleshooting Scenarios (355 KB .pdf)

Errata

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