Todd Lammle's bestselling CompTIA Network+ Study Guide for the N10-007 exam! CompTIA's Network+ certification tells the world you have the skills to install, configure, and troubleshoot today's basic networking hardware peripherals and protocols. First, however, you have to pass the exam! This detailed CompTIA Authorized study guide by networking guru Todd Lammle has everything you need to prepare for the CompTIA Network+ Exam N10-007. Todd covers all exam objectives, explains key topics, offers plenty of practical examples, and draws upon his own invaluable 30 years of networking experience to help you learn. The Study Guide prepares you for Exam N10-007, the new CompTIA Network+ Exam: • Covers all exam objectives including network technologies, network installation and configuration, network media and topologies, security, and much more • Includes practical examples review questions, as well as access to practice exams and flashcards to reinforce learning • Networking guru and expert author Todd Lammle offers valuable insights and tips drawn from real-world experience Plus, receive one year of FREE access to a robust set of online interactive learning tools, including hundreds of sample practice questions, a pre-assessment test, bonus practice exams, and over 100 electronic flashcards. Prepare for the exam and enhance your career—starting now!
Introduction xxx Assessment Test lxvi Chapter 1 Introduction to Networks 1 First Things First: What’s a Network? 2 Physical Network Topologies 11 Topology Selection, Backbones, and Segments 19 Summary 21 Exam Essentials 22 Written Lab 22 Review Questions 23 Chapter 2 The Open Systems Interconnection Specifications 27 Internetworking Models 28 The OSI Reference Model 30 Introduction to Encapsulation 45 Modulation Techniques 46 Summary 47 Exam Essentials 48 Written Lab 48 Review Questions 50 Chapter 3 Networking Topologies, Connectors, and Wiring Standards 55 Physical Media 57 Cable Properties 73 Wiring Standards 75 Installing Wiring Distributions 82 Summary 84 Exam Essentials 85 Written Lab 85 Review Questions 87 Chapter 4 The Current Ethernet Specifications 91 Network Basics 92 Ethernet Basics 94 Ethernet at the Data Link Layer 99 Ethernet at the Physical Layer 106 Ethernet over Other Standards (IEEE 1905.1-2013) 111 Summary 114 Exam Essentials 115 Written Lab 115 Review Questions 120 Chapter 5 Networking Devices 125 Common Network Connectivity Devices 128 Other Specialized Devices 146 Planning and Implementing a Basic SOHO Network Using Network Segmentation 159 Summary 169 Exam Essentials 169 Written Lab 170 Review Questions 171 Chapter 6 Introduction to the Internet Protocol 175 Introducing TCP/IP 177 Data Encapsulation 198 Summary 202 Exam Essentials 202 Written Lab 203 Review Questions 204 Chapter 7 IP Addressing 209 IP Terminology 210 The Hierarchical IP Addressing Scheme 211 IPv4 Address Types 218 Internet Protocol Version 6 (IPv6) 220 Summary 230 Exam Essentials 230 Written Labs 231 Review Questions 233 Chapter 8 IP Subnetting, Troubleshooting IP, and Introduction to NAT 237 Subnetting Basics 238 Troubleshooting IP Addressing 260 Introduction to Network Address Translation (NAT) 268 Summary 272 Exam Essentials 272 Written Lab 273 Review Questions 274 Chapter 9 Introduction to IP Routing 279 Routing Basics 280 The IP Routing Process 283 Testing Your IP Routing Understanding 289 Static and Dynamic Routing 291 Summary 294 Exam Essentials 294 Written Lab 294 Review Questions 296 Chapter 10 Routing Protocols 301 Routing Protocol Basics 302 Distance Vector Routing Protocols 306 Link State Routing Protocols 315 High Availability 319 Advanced IPv6 Concepts 326 IPv6 Routing Protocols 332 Summary 334 Exam Essentials 334 Written Lab 335 Review Questions 336 Chapter 11 Switching and Virtual LANs 341 Networking Before Layer 2 Switching 343 Switching Services 346 Spanning Tree Protocol 354 Virtual LANs 358 VLAN Trunking Protocol 367 Two Additional Advanced Features of Switches 376 Summary 380 Exam Essentials 381 Written Lab 381 Review Questions 383 Chapter 12 Wireless Networking 387 Introduction to Wireless Technology 390 Cellular 393 The 802.11 Standards 393 Comparing 802.11 Standards 399 Wireless Network Components 401 Installing a Wireless Network 405 Site Survey 418 Wireless Security 422 Summary 433 Exam Essentials 433 Written Lab 434 Review Questions 435 Chapter 13 Authentication and Access Control 439 Security Filtering 441 Managing User Account and Password Security 458 User-Authentication Methods 468 Summary 476 Exam Essentials 477 Written Lab 477 Review Questions 479 Chapter 14 Network Threats and Mitigation 483 Recognizing Security Threats 485 Vulnerabilities 500 Understanding Mitigation Techniques 512 Policies and Procedures 516 Anti-malware Software 532 Summary 537 Exam Essentials 537 Written Lab 537 Review Questions 539 Chapter 15 Physical Security and Risk 543 Using Hardware and Software Security Devices 545 Defining Firewalls 547 Firewall Technologies 548 Firewalls at the Application Layer vs. the Network Layer 558 Scanning Services and Other Firewall Features 561 Intrusion Detection and Prevention Systems 566 VPN Concentrators 571 Understanding Problems Affecting Device Security 572 Summary 586 Exam Essentials 587 Written Lab 588 Review Questions 589 Chapter 16 Wide Area Networks 593 What’s a WAN? 596 T-Series Connections 601 Transmission Media 603 Broadband Services 607 Wireless WAN Technologies 611 WAN Protocols 613 WAN Troubleshooting 623 Summary 629 Exam Essentials 630 Written Lab 631 Review Questions 632 Chapter 17 Troubleshooting Tools 635 Protocol Analyzers 637 Throughput Testers 638 Connectivity Software 639 Using traceroute 640 Using the ping Utility 647 Using the Address Resolution Protocol 650 Using the nslookup Utility 654 Resolving Names with the Hosts Table 656 Using the Mtr Command (pathping) 657 Using the route Command 659 Using the nbtstat Utility 663 Using the netstat Utility 669 Using tcpdump 676 Using the File Transfer Protocol 677 Using the Telnet Utility 682 Summary 684 Exam Essentials 684 Written Lab 685 Review Questions 686 Chapter 18 Software and Hardware Tools 691 Understanding Network Scanners 693 Baseline 702 Network Monitoring and Logging 703 Identifying Hardware Tools 712 Summary 725 Exam Essentials 725 Written Lab 726 Review Questions 727 Chapter 19 Network Troubleshooting 731 Narrowing Down the Problem 734 Troubleshooting Steps 749 Troubleshooting Tips 770 Summary 773 Exam Essentials 774 Written Lab 774 Review Questions 776 Chapter 20 Management, Monitoring, and Optimization 781 Managing Network Documentation 785 Network Monitoring 795 Network Optimization 808 Summary 834 Exam Essentials 835 Written Lab 836 Review Questions 837 Appendix A Answers to Written Labs 841 Chapter 1: Introduction to Networks 842 Chapter 2: The Open Systems Interconnection Specifications 842 Chapter 3: Networking Topologies, Connectors, and Wiring Standards 843 Chapter 4: The Current Ethernet Specifications 843 Chapter 5: Networking Devices 845 Chapter 6: Introduction to the Internet Protocol 846 Chapter 7: IP Addressing 847 Chapter 8: IP Subnetting, Troubleshooting IP, and Introduction to NAT 848 Chapter 9: Introduction to IP Routing 849 Chapter 10: Routing Protocols 849 Chapter 11: Switching and Virtual LANs 850 Chapter 12: Wireless Networking 850 Chapter 13: Authentication and Access Control 850 Chapter 14: Network Threats and Mitigation 851 Chapter 15: Physical Security and Risk 851 Chapter 16: Wide Area Networks 852 Chapter 17: Troubleshooting Tools 852 Chapter 18: Software and Hardware Tools 853 Chapter 19: Network Troubleshooting 853 Chapter 20: Management, Monitoring, and Optimization 854 Appendix B Answers to Review Questions 855 Chapter 1: Introduction to Networks 856 Chapter 2: The Open Systems Interconnection Specifications 857 Chapter 3: Networking Topologies, Connectors, and Wiring Standards 859 Chapter 4: The Current Ethernet Specifications 860 Chapter 5: Networking Devices 861 Chapter 6: Introduction to the Internet Protocol 863 Chapter 7: IP Addressing 864 Chapter 8: IP Subnetting, Troubleshooting IP, and Introduction to NAT 866 Chapter 9: Introduction to IP Routing 868 Chapter 10: Routing Protocols 869 Chapter 11: Switching and Virtual LANs 871 Chapter 12: Wireless Networking 872 Chapter 13: Authentication and Access Control 874 Chapter 14: Network Threats and Mitigation 875 Chapter 15: Physical Security and Risk 877 Chapter 16: Wide Area Networks 878 Chapter 17: Troubleshooting Tools 880 Chapter 18: Software and Hardware Tools 881 Chapter 19: Network Troubleshooting 883 Chapter 20: Management, Monitoring, and Optimization 885 Appendix C Subnetting Class A 887 Subnetting Practice Examples: Class A Addresses 888 Subnetting in Your Head: Class A Addresses 890 Written Lab 1 891 Written Lab 2 892 Answers to Written Lab 1 892 Answers to Written Lab 2 893 Index 895
Todd Lammle, Network+, CCSI, CCNA, CCNP, is the networking authority. He has been involved in computers and networking with Fortune 500 companies for almost 30 years. Todd is President of GlobalNet System Solutions, Inc., a networking integration and training firm. He is the bestselling author of numerous titles, with over 900,000 copies of his books in print. He can be reached through his website at www.lammle.com.
Covers 100% of exam objectives, including networking concepts, infrastructure, network operations, network security, networking troubleshooting and tools, and much more... Includes interactive online learning environment and study tools with: + 2 custom practice exams + 100 electronic flashcards + Searchable key term glossary Comprehensive preparation for the CompTIA Network+ exam, with real-world insight and online study tools! The CompTIA Network+ Study Guide is your one-stop resource for the ultimate in exam preparation. Featuring 100 percent coverage of Exam N10-007 objectives, this book walks you through the essentials of network technologies, installation, configuration, media, topologies, security, and more. Networking guru Todd Lammle draws from 30 years of networking experience to explain key topics, backed by practical examples and real-world insights relevant to what you'll face on the job. The Sybex online interactive learning environment gives you access to electronic flashcards, sample questions, a pre-assessment test, and bonus practice exams to help you prepare thoroughly and go into the exam with confidence! Coverage of 100% of all exam objectives in this Study Guide means you'll be ready for: Network Architecture, Applications, and Devices Routing Protocols, Cloud Technologies, and Implementations Network Monitoring and Performance Tracking WAN, LAN, and Switch Configuration Vulnerability Identification and Threat Assessment Security Controls and Basic Forensics Wireless, Cable, Network, Security, and WAN Troubleshooting Standards, Safety, Ports, and Protocols Interactive learning environment Take your exam prep to the next level with Sybex's superior interactive online study tools. To access our learning environment, simply visit http://www.wiley.com/go/netplustestprep, type in your unique PIN, and instantly gain one year of FREE access to: Interactive test bank with 2 practice exams. Practice exams help you identify areas where further review is needed. Get more than 90% of the answers correct, and you're ready to take the certification exam. 100 electronic flashcards to reinforce learning and last-minute prep before the exam. Comprehensive glossary in PDF format gives you instant access to the key terms so you are fully prepared. ABOUT THE COMPTIA NETWORK+ PROGRAM CompTIA's Network+ is a vendor-neutral networking certification that validates the knowledge and skills to troubleshoot, configure and manage common wired and wireless networks. CompTIA Network+ is accredited by ANSI as meeting the ISO/IEC 17024 standard, and is approved by U.S. Department of Defense (DoD) to fulfill Directive 8570.01-M requirements. It is compliant with government regulations under the Federal Information Security Management Act (FISMA). Visit www.certification.comptia.org for more information.
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