CompTIA Network+ N10-006 Cert Guide, Deluxe Edition
Published on 9. April 2015
Book
Mixed media product
624 pages
978-0-7897-5473-8 (ISBN)
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.
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.
More details
Other editions
New editions
Anthony Sequeira | Michael Taylor
CompTIA Network+ N10-007 Cert Guide, Deluxe Edition
Book
02/2018
Pearson It Certification
€102.27
Article is exhausted; no reprint
Persons
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.
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.
Content
&>
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
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