CompTIA Network+ Study Guide

Exam N10-007

To complement the CompTIA Network+ Study Guide: Exam N10-007, 4e, and the CompTIA Network+ Deluxe Study Guide: Exam N10-007, 4e, look at CompTIA Network+ Practice Tests: Exam N10-007 (9781119432128).


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. Les mer
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Om boka

To complement the CompTIA Network+ Study Guide: Exam N10-007, 4e, and the CompTIA Network+ Deluxe Study Guide: Exam N10-007, 4e, look at CompTIA Network+ Practice Tests: Exam N10-007 (9781119432128).


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!

Fakta

Innholdsfortegnelse

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

Om forfatteren

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.