CompTIA Network+ Study Guide

CompTIA Network+ Study Guide
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Covers 100% of exam objectives, including explaining the functions and applications of various network devices, using appropriate monitoring tools, implementing network hardening techniques, troubleshooting and resolving common wireless issues, and much more… Includes interactive online learning environment and study tools with: + 2 custom practice exams + More than 100 Electronic Flashcards + Searchable key term glossary Your complete guide to preparing for CompTIA Network+ Exam N10-006 The CompTIA Network+ Study Guide, 3rd Edition is your one-stop resource for complete coverage of Exam N10-006. This Sybex Study Guide covers 100% of all exam N10-006 objectives. You'll prepare for the exam smarter and faster with Sybex thanks to superior content including, assessment tests that check exam readiness, objective map, real-world scenarios, hands-on exercises, key topic exam essentials, and challenging chapter review questions. Reinforce what you have learned with the exclusive Sybex online learning environment and test bank, accessible across multiple devices. Get prepared for the CompTIA Network+ exam with Sybex. Coverage of 100% of all exam objectives in this Study Guide means you'll be ready for: Comparing and contrasting the use of networking services and applications Installing and configuring network services/applications Analyzing metrics and reports from monitoring and tracking performance tools Using appropriate resources to support configuration management Comparing and contrasting common network vulnerabilities and threats Installing and configuring a basic firewall Summarizing basic forensic concepts Implementing network troubleshooting methodology Troubleshooting and resolving common copper cable issues Troubleshooting and resolving common network issues Analyzing and determining the correct OSI layer Explaining the basics of network theory and concepts Summarizing safety practices Installing and configuring equipment in the appropriate location using best practices Interactive learning environment Take your exam prep to the next level with Sybex's superior interactive online tools. To access the learning environment, simply visit: http://sybextestbanks.wiley.com , type in your unique PIN and instantly gain 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 questions total! More than 100 Electronic Flashcards to reinforce learning and provide lastminute prep before the exam Comprehensive glossary in PDF format that gives you instant access to the key terms so you are fully prepared

Оглавление

Todd Lammle. CompTIA Network+ Study Guide

Acknowledgments

About the Authors

Introduction

Assessment Test

Answers to the Assessment Test

Chapter 1. Introduction to Networks

First Things First: What's a Network?

Physical Network Topologies

Topology Selection, Backbones, and Segments

Summary

Exam Essentials

Written Labs

Review Questions

Chapter 2. The Open Systems Interconnection Specifications

Internetworking Models

The OSI Reference Model

Introduction to Encapsulation

Modulation Techniques

Summary

Exam Essentials

Written Lab

Review Questions

Chapter 3. Networking Topologies, Connectors, and Wiring Standards

Physical Media

Cable Properties

Wiring Standards

Installing Wiring Distributions

Summary

Exam Essentials

Written Lab

Review Questions

Chapter 4. The Current Ethernet Specifications

Network Basics

Ethernet Basics

Ethernet at the Data Link Layer

Ethernet at the Physical Layer

Ethernet over Other Standards (IEEE 1905.1-2013)

Summary

Exam Essentials

Written Lab

Review Questions

Chapter 5. Networking Devices

Common Network Connectivity Devices

Other Specialized Devices

Planning and Implementing a Basic SOHO Network Using Network Segmentation

Summary

Exam Essentials

Written Lab

Review Questions

Chapter 6. Introduction to the Internet Protocol

Introducing TCP/IP

Data Encapsulation

Summary

Exam Essentials

Written Lab

Review Questions

Chapter 7. IP Addressing

IP Terminology

The Hierarchical IP Addressing Scheme

IPv4 Address Types

Internet Protocol Version 6 (IPv6)

Summary

Exam Essentials

Written Lab

Review Questions

Chapter 8. IP Subnetting, Troubleshooting IP, and Introduction to NAT

Subnetting Basics

Troubleshooting IP Addressing

Introduction to Network Address Translation (NAT)

Summary

Exam Essentials

Written Labs

Review Questions

Chapter 9. Introduction to IP Routing

Routing Basics

The IP Routing Process

Testing Your IP Routing Understanding

Static and Dynamic Routing

Summary

Exam Essentials

Written Lab

Review Questions

Chapter 10. Routing Protocols

Routing Protocol Basics

Distance Vector Routing Protocols

Link State Routing Protocols

High Availability

IPv6 Routing Protocols

Summary

Exam Essentials

Written Lab

Review Questions

Chapter 11. Switching and Virtual LANs

Networking Before Layer 2 Switching

Switching Services

Spanning Tree Protocol

Virtual LANs

VLAN Trunking Protocol

Two Additional Advanced Features of Switches

Summary

Exam Essentials

Written Lab

Review Questions

Chapter 12. Wireless Networking

Introduction to Wireless Technology

The 802.11 Standards

Comparing 802.11 Standards

Wireless Network Components

Installing a Wireless Network

Site Survey

Wireless Security

Summary

Exam Essentials

Written Lab

Review Questions

Chapter 13. Authentication and Access Control

Security Filtering

Managing User Account and Password Security

User-Authentication Methods

Summary

Exam Essentials

Written Lab

Review Questions

Chapter 14. Network Threats and Mitigation

Recognizing Security Threats

Vulnerabilities

Understanding Mitigation Techniques

Policies and Procedures

Anti-malware software

Summary

Exam Essentials

Written Lab

Review Questions

Chapter 15. Physical Security and Risk

Using Hardware and Software Security Devices

Defining Firewalls

Firewall Technologies

Firewalls at the Application Layer vs the Network Layer

Scanning Services and Other Firewall Features

Intrusion Detection and Prevention Systems

VPN Concentrators

Understanding Problems Affecting Device Security

Summary

Exam Essentials

Written Lab

Review Questions

Chapter 16. Wide Area Networks

What's a WAN?

T-Series Connections

Transmission Media

Broadband Services

Wireless WAN Technologies

WAN Protocols

WAN Troubleshooting

Summary

Exam Essentials

Written Lab

Review Questions

Chapter 17. Troubleshooting Tools

Protocol Analyzers

Throughput Testers

Connectivity Software

Using Traceroute

Using ipconfig and ifconfig

Using the ping Utility

Using the Address Resolution Protocol

Using the nslookup Utility

Resolving Names with the Hosts Table

Using the Mtr Command (pathping)

Using the route Command

Using the nbtstat Utility

Using the netstat Utility

Using the File Transfer Protocol

Using the Telnet Utility

Summary

Exam Essentials

Written Lab

Review Questions

Chapter 18. Software and Hardware Tools

Understanding Network Scanners

Baseline

Network Monitoring and Logging

Identifying Hardware Tools

Summary

Exam Essentials

Written Lab

Review Questions

Chapter 19. Network Troubleshooting

Narrowing Down the Problem

Troubleshooting Steps

Troubleshooting Tips

Summary

Exam Essentials

Written Lab

Review Questions

Chapter 20. Management, Monitoring, and Optimization

Managing Network Documentation

Network Monitoring

Network Optimization

Summary

Exam Essentials

Written Lab

Review Questions

Appendix A. Answers to the Written Labs

Chapter 1

Chapter 2

Chapter 3

Chapter 4

Chapter 5

Chapter 6

Chapter 7

Chapter 8

Chapter 9

Chapter 10

Chapter 11

Chapter 12

Chapter 13

Chapter 14

Chapter 15

Chapter 16

Chapter 17

Chapter 18

Chapter 19

Chapter 20

Appendix B. Answers to Review Questions

Chapter 1

Chapter 2

Chapter 3

Chapter 4

Chapter 5

Chapter 6

Chapter 7

Chapter 8

Chapter 9

Chapter 10

Chapter 11

Chapter 12

Chapter 13

Chapter 14

Chapter 15

Chapter 16

Chapter 17

Chapter 18

Chapter 19

Chapter 20

Appendix C. Subnetting Class A

Subnetting Practice Examples: Class A Addresses

Subnetting in Your Head: Class A Addresses

Written Lab 1

Written Lab 2

Answers to Written Lab 1

Answers to Written Lab 2

WILEY END USER LICENSE AGREEMENT

Отрывок из книги

Kim Wimpsett was the development editor of this, the newest book in the Sybex CompTIA series. Thank you, Kim, for working so hard on this book with me.

Kenyon Brown is my new acquisitions editor for this book. Thank you, Kenyon, for making this book a reality!

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And here are the disadvantages to using a star topology:

There are two more sophisticated implementations of a star topology. The first is called a point-to-point link, where you have not only the device in the center of the spoke acting as a hub but also on the other end, which extends the network. This is still a star-wired topology, but as I'm sure you can imagine, it gives you a lot more scalability!

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