CompTIA's Network+ certification is a globally-recognized, vendor neutral exam that has helped over 235,000 IT professionals reach further and higher in their careers. The 2009 Network+ exam (N10-004) is a major update with more focus on security and wireless aspects of networking. Our new study guide has been updated accordingly with focus on network, systems, and WAN security and complete coverage of today's wireless networking standards. As always this companion covers the core Network+ material including basic design principles, management and operation of a network infrastructure, and testing tools. After reading this book not only will you be able to ace the exam but you will be able to maintain, troubleshoot, and install computer networks.
New to this edition are:
- Intensified focus on network security
- Two NEW practice exams to help eliminate test-day jitters
- Tiered chapter ending quesitons that allow gradual learning
- New to this edition in accordance with the newly revised exam is an intensified focus on network security
- Two NEW practice exams to help eliminate test-day jitters
- Tiered chapter ending questions that allow for graduated learning
- Covers everything from test taking techniques to advanced topics - keeping the beginner and intermediate IT professional in mind
- Layout of the guide parallels the Network+ N10-004 objectives for ease of study
CompTIA Network+ Certification Study Guide: Exam N10-004, Second Edition, offers a practical guide for those interested in pursuing CompTIA Network+ certification. It presents the fundamental terminology needed to perform duties as a network technician and to pass the CompTIA Network+ exam. The book begins with a brief history of the development of networks, including their origins and where they are heading. It describes network models such as centralized and decentralized, and distinguishes between a local area network (LAN) and a wide area network (WAN). The discussions include cable connections and termination for the Network+ exam; the meaning of convergence; and the most common network devices being used on small and large networks, including the Internet. The role of switches in improving network functionality and enhancing security is described. The book also contains chapters on wireless networking; Open Systems Interconnection (OSI) model; Transmission Control Protocol/Internet Protocol (TCP/IP); wide area network (WAN) technologies; network security; and network management and troubleshooting. New to this edition in accordance with the newly revised exam is an intensified focus on network security Two NEW practice exams to help eliminate test-day jitters Tiered chapter ending questions that allow for graduated learning Covers everything from test taking techniques to advanced topics - keeping the beginner and intermediate IT professional in mind Layout of the guide parallels the Network+ N10-004 objectives for ease of study
Front Cover 1
Half Title Page 2
Title Page 4
Copyright Page 5
Table of Contents 6
About the Authors 12
Chapter 1. Network Fundamentals 16
Introduction 16
What Is a Network? 17
Logical Networking Topologies 29
Physical Networking Models 39
Network Types 46
Summary of Exam Objectives 51
Exam Objectives Fast Track 51
Exam Objectives Frequently Asked Questions 53
Self Test 54
Self Test Quick Answer Key 59
Chapter 2. Network Media 60
Introduction 60
Cabling and Connectors Overview 61
Media Issues 64
Cable Testers and Troubleshooting 73
Simplex, Half-Duplex, and Full-Duplex 78
Cabling 78
Cable Management 82
LAN Technologies and Standards 84
Media Standards 86
Connectors 90
Recognizing Category 3, 5, 5e, and 6 UTP, STP, Coaxial Cable, SMF Optics Cable, MMF Optic Cable, and Optic Cable 96
Other Media 100
Summary of Exam Objectives 102
Exam Objectives Fast Track 104
Exam Objectives Frequently Asked Questions 108
Self Test 108
Self Test Quick Answer Key 113
Chapter 3. Network Devices 114
Introduction 114
Network Devices 114
Summary of Exam Objectives 156
Exam Objectives Fast Track 157
Exam Objectives Frequently Asked Questions 160
Self Test 161
Self Test Quick Answer Key 165
Chapter 4. Switching 166
Introduction 166
Understanding Switches 167
Basic Switches 169
Multilayer Switches 170
Content Switches 171
Advanced Features of a Switch 172
Summary of Exam Objectives 176
Exam Objectives Fast Track 177
Frequently Asked Questions 179
Self Test 179
Self Test Quick Answer Key 184
Chapter 5. Wireless Networking 186
Introduction 186
Radio Frequency and Antenna Behaviors and Characteristics 190
Wireless Network Concepts 194
Common Exploits of Wireless Networks 215
Configuring Windows Client Computers for Wireless Network Security 231
Site Surveys 236
Summary of Exam Objectives 236
Exam Objectives Fast Track 239
Exam Objectives Frequently Asked Questions 244
Self Test 245
Self Test Quick Answer Key 249
Chapter 6. The OSI Model and Networking Protocols 250
Introduction 250
The OSI Model 252
The DoD Networking Model 272
Networking Protocols 280
Summary of Exam Objectives 290
Exam Objectives Fast Track 291
Exam Objectives Frequently Asked Questions 294
Self Test 295
Self Test Quick Answer Key 299
Chapter 7. TCP/IP and Routing 300
Introduction 300
TCP/IP 301
IPv4 302
IPv6 304
Understanding IP Addressing 309
Understanding Subnetting 320
Understanding Subnet Masking 323
Strategies to Conserve Addresses 335
Private Network Addresses 337
Multicast, Broadcast, and Unicast 344
Understanding Basic IP Routing 350
Summary of Exam Objectives 361
Exam Objectives Fast Track 363
Exam Objectives Frequently Asked Questions 367
Self Test 368
Self Test Quick Answer Key 371
Chapter 8. Wide Area Networking 372
Introduction 372
Switching Methods 373
WAN Protocols and Properties 375
Internet Access Methods 383
Summary of Exam Objectives 389
Exam Objectives Fast Track 389
Exam Objectives Frequently Asked Questions 390
Self Test 392
Self Test Quick Answer Key 398
Chapter 9. Security Standards and Services 400
Introduction 400
Hardware and Software Security Devices 401
Security Zones 420
Network Ports, Services, and Threats 431
Network Access Security 446
Summary 481
Exam Objectives Fast Track 482
Exam Objectives Frequently Asked Questions 485
Self Test 486
Self Test Quick Answer Key 490
Chapter 10. Network Management 492
Introduction 492
Network Management 492
Configuration Management 493
Network Monitoring 508
Summary of Exam Objectives 520
Exam Objectives Fast Track 521
Exam Objectives Frequently Asked Questions 523
Self Test 525
Self Test Quick Answer Key 533
Chapter 11. Network Troubleshooting Tools 534
Introduction 534
A Troubleshooting Methodology 535
The OSI Model 540
Windows Tools 544
Linux Tools 568
NetWare Tools 572
Other Network Troubleshooting Tools 573
Importance of Network Documentation 576
Summary of Exam Objectives 576
Exam Objectives Fast Track 578
Exam Objectives Frequently Asked Questions 580
Self Test 581
Self Test Quick Answer Key 586
Chapter 12. Network Troubleshooting Methodology 588
Introduction 588
How to Use the OSI Model in Troubleshooting 590
Troubleshooting the Physical Layer 596
Troubleshooting the Data Link Layer 606
Troubleshooting the Network Layer 613
Troubleshooting the Transport Layer 618
Troubleshooting the Session Layer 624
Troubleshooting the Presentation Layer 627
Troubleshooting the Application Layer 629
Summary of Exam Objectives 636
Exam Objectives Fast Track 637
Exam Objectives Frequently Asked Questions 640
Self Test 641
Self Test Quick Answer Key 652
Appendix A 654
The Institute of Electrical and Electronics Engineers (IEEE) 654
Appendix B 666
Understanding Request for Comments 666
Appendix C 672
Network+ Exam N10-004 672
Chapter 1: Network Fundamentals 672
Chapter 2: Network Media 681
Chapter 3: Network Devices 689
Chapter 4: Switching 696
Chapter 5: Wireless Networking 704
Chapter 6: The OSI Model and Networking Protocols 711
Chapter 7: TCP/IP and Routing 715
Chapter 8: Wide Area Networking 722
Chapter 9: Security Standards and Services 730
Chapter 10: Network Management 737
Chapter 11: Network Troubleshooting Tools 752
Chapter 12: Network Troubleshooting Methodology 761
Index 780
| Erscheint lt. Verlag | 6.8.2009 |
|---|---|
| Sprache | englisch |
| Themenwelt | Sachbuch/Ratgeber |
| Schulbuch / Wörterbuch ► Unterrichtsvorbereitung ► Unterrichts-Handreichungen | |
| Informatik ► Netzwerke ► Sicherheit / Firewall | |
| Informatik ► Weitere Themen ► Zertifizierung | |
| Sozialwissenschaften ► Pädagogik | |
| ISBN-10 | 1-59749-488-7 / 1597494887 |
| ISBN-13 | 978-1-59749-488-5 / 9781597494885 |
| Haben Sie eine Frage zum Produkt? |
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