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CompTIA Network+ N10-005 Cert Guide

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CompTIA Network+ N10-005 Cert Guide

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  • Copyright 2012
  • Dimensions: 7-3/8" x 9-1/8"
  • Edition: 1st
  • EPUB (Watermarked)
  • ISBN-10: 0-13-278678-8
  • ISBN-13: 978-0-13-278678-2

Learn, prepare, and practice for CompTIA Network+ N10-005 exam success with this CompTIA Authorized Cert Guide from Pearson IT Certification, a leader in IT Certification learning and a CompTIA Authorized Platinum Partner.


This is the eBook version of the print title. Note that the eBook does not provide access to the practice test software that accompanies the print book. Access to the personal video mentoring is available through product registration at Pearson IT Certification; or see instructions in back pages of your eBook.

  • Master Network+ exam topics
  • Assess your knowledge with chapter-ending quizzes
  • Review key concepts with exam preparation tasks

Limited Time Offer: Buy CompTIA Network+ N10-005 Authorized Cert Guide and receive a 10% off discount code for the CompTIA Network+ N10-005 exam.  To receive your 10% off discount code:

1.       Register your product at pearsonITcertification.com/register

2.       When prompted, enter ISBN number 9780789748218

3.       Go to your Account page and click on “Access Bonus Content”

 

CompTIA Network+ N10-005 Authorized Cert Guide is a best-of-breed exam study guide. Best-selling author and expert instructor Kevin Wallace shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics.

The book presents you with an organized test preparation routine through the use of proven series elements and techniques. Exam topic lists make referencing easy. Chapter-ending Exam Preparation Tasks help you drill on key concepts you must know thoroughly. Review questions help you assess your knowledge, and a final preparation chapter guides you through tools and resources to help you craft your final study plan.

The book also contains more than three hours of personal video mentoring from the author.

Well-regarded for its level of detail, assessment features, and challenging review questions and exercises, this authorized study guide helps you master the concepts and techniques that will enable you to succeed on the exam the first time.

The authorized study guide helps you master all the topics on the Network+ exam, including:

  • Computer networks and the OSI model
  • Network components
  • Ethernet
  • IP addressing
  • Routing traffic
  • Wide Area Networks (WANs)
  • Wireless LANs
  • Network performance
  • Command-line utilities
  • Network management
  • Network security
  • Troubleshooting

Kevin Wallace, CCIE No. 7945, is one of the most prolific and best-selling authors in the networking industry. He is a certified Cisco instructor, and he holds multiple certifications including CCNP, CCNP Voice, CCNP Security, and CCDP, in addition to multiple security and voice specializations. With networking experience dating back to 1989 (and computer experience dating back to 1982), Kevin is a Senior Technical Instructor for SkillSoft. Kevin has been a network design specialist for the Walt Disney World Resort and a network manager for Eastern Kentucky University.

Sample Content

Table of Contents

    Introduction xxvi

Chapter 1 Introducing Computer Networks 3

    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 9

        CAN 9

        MAN 9

        PAN 9

    Networks Defined by Topology 9

        Physical Versus Logical Topology 10

        Bus Topology 11

        Ring Topology 13

        Star Topology 15

        Hub-and-Spoke Topology 16

        Full-Mesh Topology 18

        Partial-Mesh Topology 19

    Networks Defined by Resource Location 20

        Client-Server Networks 20

        Peer-to-Peer Networks 22

    Summary 24

    Exam Preparation Tasks 25

        Review All the Key Topics 25

        Complete Tables and Lists from Memory 25

        Define Key Terms 25

        Review Questions 26

Chapter 2 Dissecting the OSI Model 29

    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 36

        Media Access Control 37

        Logical Link Control 37

        Layer 3: The Network Layer 39

        Layer 4: The Transport Layer 42

        Layer 5: The Session Layer 44

        Layer 6: The Presentation Layer 45

        Layer 7: The Application Layer 46

    The TCP/IP Stack 47

        Layers of the TCP/IP Stack 47

        Common Application Protocols in the TCP/IP Stack 51

    Summary 53

    Exam Preparation Tasks 54

        Review All the Key Topics 54

        Complete Tables and Lists from Memory 54

        Define Key Terms 55

        Review Questions 55

Chapter 3 Identifying Network Components 59

    Foundation Topics 60

    Media 60

        Coaxial Cable 60

        Twisted-Pair Cable 62

        Shielded Twisted Pair 62

        Unshielded Twisted Pair 63

        Plenum Versus Non-Plenum Cable 66

        Fiber-Optic Cable 66

        Multimode Fiber 67

        Single-Mode Fiber 68

        Cable Distribution 70

        Wireless Technologies 73

    Network Infrastructure Devices 74

        Hubs 74

        Bridges 75

        Switches 77

        Multilayer Switches 83

        Routers 84

        Infrastructure Device Summary 85

    Specialized Network Devices 86

        VPN Concentrators 86

        Firewalls 87

        DNS Servers 88

        DHCP Servers 90

        Proxy Servers 92

        Content Engines 93

        Content Switches 94

    Virtual Network Devices 95

        Virtual Servers 95

        Virtual Switches 96

        Virtual Desktops 97

        Other Virtualization Solutions 98

    Voice over IP Protocols and Components 99

    Summary 101

    Exam Preparation Tasks 102

        Review All the Key Topics 102

        Complete Tables and Lists from Memory 103

        Define Key Terms 103

        Review Questions 104

Chapter 4 Understanding Ethernet 107

    Foundation Topics 108

    Principles of Ethernet 108

        Ethernet Origins 108

        Carrier Sense Multiple Access Collision Detect 110

        Distance and Speed Limitations 113

    Ethernet Switch Features 116

        Virtual LANs 116

        Trunks 118

        Spanning Tree Protocol 119

        Corruption of a Switch’s MAC Address Table 119

        Broadcast Storms 120

        STP Operation 122

        Link Aggregation 124

        Power over Ethernet 126

        Port Monitoring 127

        User Authentication 129

        First-Hop Redundancy 130

        Other Switch Features 131

    Summary 132

    Exam Preparation Tasks 133

        Review All the Key Topics 133

        Complete Tables and Lists from Memory 133

        Define Key Terms 134

        Review Questions 134

Chapter 5 Working with IP Addresses 139

    Foundation Topics 140

    Binary Numbering 140

        Principles of Binary Numbering 140

        Converting a Binary Number to a Decimal Number 141

        Converting a Decimal Number to a Binary Number 141

        Binary Numbering Practice 143

        Binary Conversion Exercise #1 143

        Binary Conversion Exercise #1: Solution 144

        Binary Conversion Exercise #2 144

        Binary Conversion Exercise #2: Solution 144

        Binary Conversion Exercise #3 145

        Binary Conversion Exercise #3: Solution 145

        Binary Conversion Exercise #4 146

        Binary Conversion Exercise #4: Solution 146

    IPv4 Addressing 147

        IPv4 Address Structure 147

        Classes of Addresses 149

        Types of Addresses 151

        Unicast 151

        Broadcast 152

        Multicast 152

    Assigning IPv4 Addresses 153

        IP Addressing Components 154

        Static Configuration 154

        Dynamic Configuration 159

        BOOTP 159

        DHCP 160

        Automatic Private IP Addressing 161

    Subnetting 162

        Purpose of Subnetting 162

        Subnet Mask Notation 163

        Subnet Notation: Practice Exercise #1 165

        Subnet Notation: Practice Exercise #1 Solution 165

        Subnet Notation: Practice Exercise #2 165

        Subnet Notation: Practice Exercise #2 Solution 165

        Extending a Classful Mask 166

        Borrowed Bits 166

        Calculating the Number of Created Subnets 166

        Calculating the Number of Available Hosts 167

        Basic Subnetting Practice: Exercise #1 167

        Basic Subnetting Practice: Exercise #1 Solution 168

        Basic Subnetting Practice: Exercise #2 169

        Basic Subnetting Practice: Exercise #2 Solution 169

        Calculating New IP Address Ranges 170

        Advanced Subnetting Practice: Exercise #1 172

        Advanced Subnetting Practice: Exercise #1 Solution 172

        Advanced Subnetting Practice: Exercise #2 173

        Advanced Subnetting Practice: Exercise #2 Solution 174

        Additional Practice 176

        Classless Inter-Domain Routing 177

    IP Version 6 178

        Need for IPv6 178

        IPv6 Address Structure 178

        IPv6 Data Flows 179

        Unicast 179

        Multicast 180

        Anycast 181

    Summary 182

    Exam Preparation Tasks 183

        Review All the Key Topics 183

        Complete Tables and Lists from Memory 184

        Define Key Terms 184

        Review Questions 184

Chapter 6 Routing Traffic 189

    Foundation Topics 190

    Basic Routing Processes 190

    Sources of Routing Information 193

        Directly Connected Routes 193

        Static Routes 194

        Dynamic Routing Protocols 195

    Routing Protocol Characteristics 197

        Believability of a Route 198

        Metrics 198

        Interior Versus Exterior Gateway Protocols 199

        Route Advertisement Method 200

        Distance Vector 200

        Link State 202

    Routing Protocol Examples 202

    Address Translation 204

        NAT 204

        PAT 206

    Multicast Routing 208

        IGMP 208

        PIM 210

        PIM-DM 211

        PIM-SM 213

    Summary 215

    Exam Preparation Tasks 216

        Review All the Key Topics 216

        Complete Tables and Lists from Memory 216

        Define Key Terms 216

        Review Questions 217

Chapter 7 Introducing Wide-Area Networks 221

    Foundation Topics 222

    WAN Properties 222

        WAN Connection Types 222

        WAN Data Rates 224

        WAN Media Types 225

        Physical Media 225

        Wireless Media 226

    WAN Technologies 227

        Dedicated Leased Line 228

        T1 228

        E1 229

        T3 229

        E3 229

        CSU/DSU 230

        Point-to-Point Protocol 230

        Digital Subscriber Line 234

        Cable Modem 236

        Synchronous Optical Network 237

        Satellite 239

        Plain Old Telephone Service 241

        Integrated Services Digital Network 243

        Frame Relay 245

        Asynchronous Transfer Mode 246

        Multiprotocol Label Switching 249

    Summary 250

    Exam Preparation Tasks 251

        Review All the Key Topics 251

        Complete Tables and Lists from Memory 251

    Define Key Terms 252

    Review Questions 252

Chapter 8 Connecting Wirelessly 257

    Foundation Topics 258

    Introducing Wireless LANs 258

        WLAN Concepts and Components 258

        Wireless Routers 258

        Wireless Access Point 259

        Antennas 260

        Frequencies and Channels 262

        CSMA/CA 265

        Transmission Methods 265

        WLAN Standards 266

        802.11a 266

        802.11b 267

        802.11g 267

        802.11n 267

    Deploying Wireless LANs 268

        Types of WLANs 268

        IBSS 269

        BSS 269

        ESS 270

        Sources of Interference 271

        Wireless AP Placement 272

    Securing Wireless LANs 273

        Security Issues 273

        Approaches to WLAN Security 275

        Security Standards 277

        WEP 277

        WPA 278

        WPA2 278

    Summary 278

    Exam Preparation Tasks 279

        Review All the Key Topics 279

        Complete Tables and Lists from Memory 280

        Define Key Terms 280

        Review Questions 280

Chapter 9 Optimizing Network Performance 285

    Foundation Topics 286

    High Availability 286

        High-Availability Measurement 286

        Fault-Tolerant Network Design 286

        Hardware Redundancy 288

        Layer 3 Redundancy 288

        Design Considerations for High-Availability Networks 290

        High-Availability Best Practices 290

        Content Caching 291

        Load Balancing 291

    QoS Technologies 292

        Introduction to QoS 292

        QoS Configuration Steps 294

        QoS Components 295

        QoS Mechanisms 296

        Classification 296

        Marking 297

        Congestion Management 298

        Congestion Avoidance 298

        Policing and Shaping 299

        Link Efficiency 301

    Case Study: SOHO Network Design 302

        Case Study Scenario 302

        Suggested Solution 304

        IP Addressing 304

        Layer 1 Media 305

        Layer 2 Devices 306

        Layer 3 Devices 307

        Wireless Design 307

        Environmental Factors 308

        Cost Savings Versus Performance 308

        Topology 309

    Summary 309

    Exam Preparation Tasks 310

        Review All the Key Topics 310

        Complete Tables and Lists from Memory 310

        Define Key Terms 311

        Review Questions 311

Chapter 10 Using Command-Line Utilities 315

    Foundation Topics 316

    Windows Commands 316

        arp 316

        ipconfig 318

        nbtstat 321

        netstat 324

        nslookup 326

        ping 328

        route 330

        tracert 334

    UNIX Commands 336

        arp 337

        dig and nslookup 340

        host 341

        ifconfig 341

        traceroute 342

        netstat 343

        ping 345

    Summary 348

    Exam Preparation Tasks 349

        Review All the Key Topics 349

        Complete Tables and Lists from Memory 350

        Define Key Terms 350

        Review Questions 350

Chapter 11 Managing a Network 357

    Foundation Topics 358

    Maintenance Tools 358

        Bit-Error Rate Tester 358

        Butt Set 359

        Cable Certifier 359

        Cable Tester 360

        Connectivity Software 360

        Crimper 360

        Electrostatic Discharge Wrist Strap 361

        Environmental Monitor 362

        Loopback Plug 362

        Multimeter 363

        Protocol Analyzer 364

        Punch-Down Tool 365

        Throughput Tester 365

        Time Domain Reflectometer/Optical Time Domain Reflectometer 366

        Toner Probe 366

    Configuration Management 367

    Monitoring Resources and Reports 369

        SNMP 369

        Syslog 373

        Logs 375

        Application Logs 376

        Security Logs 376

        System Logs 377

    Summary 378

    Exam Preparation Tasks 379

        Review All the Key Topics 379

        Complete Tables and Lists from Memory 379

        Define Key Terms 380

        Review Questions 380

Chapter 12 Securing a Network 385

    Foundation Topics 386

    Security Fundamentals 386

        Network Security Goals 386

        Confidentiality 386

        Integrity 390

        Availability 391

        Categories of Network Attacks 391

        Confidentiality Attacks 391

        Integrity Attacks 394

        Availability Attacks 397

    Defending Against Attacks 402

        User Training 402

        Patching 402

        Security Policies 403

        Governing Policy 404

        Technical Policies 405

        End User Policies 405

        More Detailed Documents 405

        Incident Response 406

        Vulnerability Scanners 407

        Nessus 407

        Nmap 408

        Honey Pots and Honey Nets 409

        Access Control Lists 410

    Remote Access Security 411

    Firewalls 413

        Firewall Types 413

        Firewall Inspection Types 414

        Packet-Filtering Firewall 414

        Stateful Firewall 415

        Firewall Zones 416

    Virtual Private Networks 417

        Overview of IPsec 419

        IKE Modes and Phases 420

        Authentication Header and Encapsulating Security Payload 422

        The Five Steps in Setting Up and Tearing Down an IPsec Site-to-Site VPN 423

        Other VPN Technologies 425

    Intrusion Detection and Prevention 425

        IDS Versus IPS 426

        IDS and IPS Device Categories 427

        Detection Methods 427

        Deploying Network-Based and Host-Based Solutions 428

    Summary 430

    Exam Preparation Tasks 431

        Review All the Key Topics 431

        Complete Tables and Lists from Memory 432

        Define Key Terms 432

        Review Questions 432

Chapter 13 Troubleshooting Network Issues 437

    Foundation Topics 438

    Troubleshooting Basics 438

        Troubleshooting Fundamentals 438

        Structured Troubleshooting Methodology 440

    Physical Layer Troubleshooting 443

        Physical Layer Troubleshooting: Scenario 444

        Physical Layer Troubleshooting: Solution 445

    Data Link Layer Troubleshooting 445

        Data Link Layer Troubleshooting: Scenario 446

        Data Link Layer Troubleshooting: Solution 447

    Network Layer Troubleshooting 447

        Layer 3 Data Structures 448

        Common Layer 3 Troubleshooting Issues 449

        Network Layer Troubleshooting: Scenario 451

        Network Layer Troubleshooting: Solution 451

    Wireless Troubleshooting 452

        Wireless Network Troubleshooting: Scenario 454

        Wireless Network Troubleshooting: Solution 455

    Summary 455

    Exam Preparation Tasks 456

        Review All the Key Topics 456

        Complete Tables and Lists from Memory 456

        Define Key Terms 456

        Review Questions 457

Chapter 14 Final Preparation 461

    Tools for Final Preparation 461

    Pearson Cert Practice Test Engine and Questions on the DVD 461

        Install the Software from the DVD 462

        Activate and Download the Practice Exam 463

        Activating Other Exams 463

        Premium Edition 463

    Video Training on DVD 464

    Memory Tables 464

    End-of-Chapter Review Tools 465

    Suggested Plan for Final Review and Study 465

    Summary 467

APPENDIX A Answers to Review Questions 469

APPENDIX B CompTIA Network+ N10-005 Exam Updates, Version 1.0 473

Glossary 475

APPENDIX C Memory Tables (DVD Only) 3

APPENDIX D Memory Table Answer Key (DVD Only) 3

TOC, 9780789748218, 10/19/2011

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