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Barker : CompTIA Netw+ N10-006 CG _c1

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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.
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Product details

  • Mixed media product | 624 pages
  • 190.5 x 233.68 x 38.1mm | 1,224.69g
  • Pearson It Certification
  • Upper Saddle River, United States
  • English
  • Deluxe ed.
  • 0789754738
  • 9780789754738
  • 920,315

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 B Network+ N10-006 Exam Updates 490



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
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About Michael D. Taylor

Keith Barker, CCIE No. 6783, has been working in the information technology (IT) industry since 1985. He currently enjoys creating effective and entertaining video training for CBT Nuggets. He has certified with VMware, Cisco, Juniper, HP, Check Point, Palo Alto, (ISC)2, and many others. Keith loves to teach. You can follow Keith online through the following:



Twitter: @KeithBarkerCCIE

Facebook: Keith Barker Networking

YouTube: http://youtube.com/Keith6783

Web page: http://cbtnuggets.com



Kevin Wallace, CCIE No. 7945 (R/S and Collaboration), is a Certified Cisco Systems Instructor (CCSI No. 20061) with multiple Cisco professional and associate level certifications in the R/S, Collaboration, Security, Design, and Data Center tracks. With networking experience dating back to 1989, Kevin has been a network design specialist for the Walt Disney World Resort, an instructor of Cisco courses for Skillsoft, and a network manager for Eastern Kentucky University. Currently, Kevin owns and operates Kevin Wallace Training, LLC, where he primarily produces video courses and writes books for Cisco Press/Pearson IT Certification (http://kwtrain.com/books). Kevin holds a bachelor of science degree in electrical engineering from the University of Kentucky, and he lives in central Kentucky with his wife (Vivian) and two daughters (Stacie and Sabrina). Kevin can be followed on these social media platforms:



Blog: http://kwtrain.com

Twitter: http://twitter.com/kwallaceccie

Facebook: http://facebook.com/kwallaceccie

YouTube: http://youtube.com/kwallaceccie

LinkedIn: http://linkedin.com/in/kwallaceccie

Google+: http://google.com/+KevinWallace



About the Network+ Hands-On Lab Simulator Author:

Network+ certified since 2003, Michael Taylor currently serves as computer sciences department head for a career college in the eastern United States, where he has taught for more than 10 years. In his role as a technical instructor, he won the Instructor of the Year award from his superiors and Instructor of the Quarter award from his students numerous times. In addition to a bachelor degree in business administration from the University of North Carolina at Chapel Hill, Mr. Taylor holds a master's degree in industrial technology with a concentration in computer network management from East Carolina University.
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