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CompTIA Network+

Book Description

All-in-One is All You Need

Get complete coverage of all the material included on the latest release of the CompTIA Network+ exam inside this fully updated, comprehensive resource. Written by CompTIA certification and training expert Mike Meyers, this authoritative exam guide features learning objectives at the beginning of each chapter, exam tips, practice questions, and in-depth explanations. Designed to help you pass the CompTIA Network+ exam with ease, this definitive volume also serves as an essential on-the-job reference.

Covers all exam topics, including how to:

• Build a network with the OSI seven-layer model

• Configure network hardware, topologies, and cabling

• Connect multiple Ethernet components

• Configure wireless networks

• Work with network protocols, including TCP/IP, DNS, SIP, and IMAP

• Configure IPv4 and IPv6 routing protocols

• Share and access network resources

• Interconnect network operating systems-Windows, Mac OS, UNIX/Linux

• Set up clients and servers for remote access

• Monitor and troubleshoot networks

• Secure networks with firewalls, packet filtering, encryption, authentication, and other methods

The CD-ROM features

• Hundreds of practice questions

• Video introduction to CompTIA Network+

• A collection of Mike's favorite shareware and freeware networking tools and utilities

• Complete electronic book

Table of Contents

  1. Cover Page
  2. CompTIA Network+®
  3. Copyright Page
  4. CD Page
  5. Contents
  6. Acknowledgments
  7. Chapter 1 CompTIA Network+ in a Nutshell
    1. Who Needs CompTIA Network+? I Just Want to Learn about Networks
    2. What Is CompTIA Network+ Certification
      1. What Is CompTIA?
      2. The Current CompTIA Network+ Certification Exam Release
      3. How Do I Become CompTIA Network+ Certified?
    3. What Is the Test Like?
      1. How Do I Take the Test?
      2. How Much Does the Test Cost?
    4. How to Pass the CompTIA Network+ Exam
      1. Obligate Yourself
      2. Set Aside the Right Amount of Study Time
      3. Study for the Test
    5. Historical/Conceptual
  8. Chapter 2 Building a Network with the OSI Model
    1. Historical/Conceptual
    2. Working with Models
      1. Biography of a Model
      2. The Seven Layers in Action
      3. Welcome to MHTechEd!
    3. Test Specific
    4. Let’s Get Physical—Network Hardware and Layers 1–2
      1. The NIC
      2. The Two Aspects of NICs
    5. Beyond the Single Wire—Network Software and Layers 3–7
      1. IP—Playing on Layer 3, the Network Layer
      2. There’s Frames in Them Thar Frames!
      3. Assembly and Disassembly—Layer 4, the Transport Layer
      4. Talking on a Network—Layer 5, the Session Layer
      5. Standardized Formats, or Why Layer 6, Presentation, Has No Friends
      6. Network Applications—Layer 7, the Application Layer
      7. How Tiffany Gets Her Document
      8. The Tech’s Troubleshooting Tool
    6. Chapter Review
      1. Questions
      2. Answers
  9. Chapter 3 Cabling and Topology
    1. Test Specific
    2. Topology
      1. Bus and Ring
      2. Star
      3. Hybrids
      4. Mesh and Point-to-Multipoint
      5. Point-to-Point
      6. Parameters of a Topology
    3. Cabling
      1. Coaxial Cable
      2. Twisted Pair
      3. Fiber-Optic
      4. Other Cables
      5. Fire Ratings
    4. Networking Industry Standards—IEEE
    5. Chapter Review
      1. Questions
      2. Answers
  10. Chapter 4 Ethernet Basics
    1. Historical/Conceptual
    2. Ethernet
      1. Topology
    3. Test Specific
      1. Organizing the Data: Ethernet Frames
      2. CSMA/CD
      3. Defining Ethernet
    4. Early Ethernet Networks
      1. 10BaseT
      2. 10BaseFL
    5. Extending and Enhancing Ethernet Networks
      1. Connecting Ethernet Segments
      2. Switched Ethernet
    6. Chapter Review
      1. Questions
      2. Answers
  11. Chapter 5 Modern Ethernet
    1. Test Specific
    2. 100-Megabit Ethernet
      1. 100BaseT
      2. 100BaseFX
      3. Full-Duplex Ethernet
    3. Gigabit Ethernet
      1. 1000BaseCX
      2. 1000BaseSX
      3. 1000BaseLX
      4. New Fiber Connectors
      5. Mix and Match
    4. 10-Gigabit Ethernet
      1. Fiber-based 10 GbE
      2. The Other 10-Gigabit Ethernet Fiber Standards
      3. Copper 10 GbE
      4. 10-GbE Physical Connections
    5. Backbones
    6. Chapter Review
      1. Questions
      2. Answers
  12. Chapter 6 Installing a Physical Network
    1. Historical/Conceptual
    2. Understanding Structured Cabling
      1. Cable Basics—A Star Is Born
    3. Test Specific
      1. Structured Cable Network Components
      2. Structured Cable—Beyond the Star
    4. Installing Structured Cabling
      1. Getting a Floor Plan
      2. Mapping the Runs
      3. Determining the Location of the Telecommunications Room
      4. Pulling Cable
      5. Making Connections
      6. Testing the Cable Runs
    5. NICs
      1. Buying NICs
      2. Link Lights
    6. Diagnostics and Repair of Physical Cabling
      1. Diagnosing Physical Problems
      2. Check Your Lights
      3. Check the NIC
      4. Cable Testing
      5. Problems in the Telecommunications Room
      6. Toners
    7. Chapter Review
      1. Questions
      2. Answers
  13. Chapter 7 TCP/IP Basics
    1. Historical/Conceptual
    2. Test Specific
    3. IP in Depth
      1. IP Addresses
      2. IP Addresses in Action
      3. Class IDs
    4. CIDR and Subnetting
      1. Subnetting
      2. CIDR: Subnetting in the Real World
    5. Using IP Addresses
      1. Static IP Addressing
      2. Dynamic IP Addressing
      3. Special IP Addresses
    6. Chapter Review
      1. Questions
      2. Answers
  14. Chapter 8 The Wonderful World of Routing
    1. Historical/Conceptual
    2. How Routers Work
    3. Test Specific
      1. Routing Tables
      2. Freedom from Layer 2
      3. Network Address Translation
    4. Dynamic Routing
      1. Distance Vector
      2. Link State
      3. EIGRP—the Lone Hybrid
      4. Dynamic Routing Makes the Internet
    5. Working with Routers
      1. Connecting to Routers
      2. Basic Router Configuration
      3. Router Problems
    6. Chapter Review
      1. Questions
      2. Answers
  15. Chapter 9 TCP/IP Applications
    1. Historical/Conceptual
    2. Transport Layer Protocols
      1. How People Communicate
    3. Test Specific
      1. TCP
      2. UDP
      3. ICMP
      4. IGMP
    4. The Power of Port Numbers
      1. Registered Ports
      2. Connection Status
      3. Rules for Determining Good vsBad Communications
    5. Common TCP/IP Applications
      1. The World Wide Web
      2. Telnet
      3. E-mail
      4. FTP
      5. Internet Applications
    6. Chapter Review
      1. Questions
      2. Answers
  16. Chapter 10 Network Naming
    1. Historical/Conceptual
    2. DNS
    3. Test Specific
      1. How DNS Works
      2. DNS Servers
      3. Troubleshooting DNS
    4. WINS
      1. Configuring WINS Clients
      2. Troubleshooting WINS
    5. Diagnosing TCP/IP Networks
    6. Chapter Review
      1. Questions
      2. Answers
  17. Chapter 11 Securing TCP/IP
    1. Test Specific
    2. Making TCP/IP Secure
      1. Encryption
      2. Nonrepudiation
      3. Authentication
      4. Authorization
    3. TCP/IP Security Standards
      1. Authentication Standards
      2. Encryption Standards
      3. Combining Authentication and Encryption
    4. Secure TCP/IP Applications
      1. HTTPS
      2. SCP
      3. SFTP
      4. SNMP
      5. NTP
    5. Chapter Review
      1. Questions
      2. Answers
  18. Chapter 12 Advanced Networking Devices
    1. Historical/Conceptual
    2. Logical Network Topologies
    3. Test Specific
      1. Client/Server
      2. Peer-to-Peer
      3. Client/Server and Peer-to-Peer Today
      4. VPN
      5. VLAN
    4. VLAN in Depth
      1. Trunking
      2. Configuring a VLAN-capable Switch
      3. InterVLAN Routing
    5. Multilayer Switches
      1. Load Balancing
      2. QoS and Traffic Shaping
      3. Network Protection
    6. Chapter Review
      1. Questions
      2. Answers
  19. Chapter 13 IPv6
    1. IPv6 Basics
    2. Test Specific
      1. IPv6 Address Notation
      2. Link-Local Address
      3. IPv6 Subnet Masks
      4. The End of Broadcast
      5. Global Address
      6. Aggregation
    3. Using IPv6
      1. Enabling IPv6
      2. NAT in IPv6
      3. DHCP in IPv6
      4. DNS in IPv6
    4. Moving to IPv6
      1. IPv4 and IPv6
      2. Tunnels
      3. IPv6 Is Here, Really!
    5. Chapter Review
      1. Questions
      2. Answers
  20. Chapter 14 Remote Connection Basics
    1. Historical/Conceptual
    2. Telephony and Beyond
      1. The Dawn of Long Distance
    3. Test Specific
      1. Digital Telephony
      2. Copper Carriers: T1 and T3
      3. Fiber Carriers: SONET/SDH and OC
      4. Packet Switching
      5. Real-World WAN
      6. Alternative to Telephony WAN
    4. The Last Mile
      1. Telephone
      2. DSL
      3. Cable Modems
      4. Satellite
      5. Wireless
      6. Fiber
      7. Which Connection?
    5. Using Remote Access
      1. Dial-Up to the Internet
      2. Private Dial-Up
      3. VPNs
      4. Dedicated Connection
      5. Remote Terminal
      6. VoIP
    6. Chapter Review
      1. Questions
      2. Answers
  21. Chapter 15 Network Troubleshooting
    1. Test Specific
    2. Troubleshooting Tools
      1. Hardware Tools
      2. Software Tools
    3. The Troubleshooting Process
      1. Gather Information—Identify Symptoms and Problems
      2. Identify the Affected Areas of the Network
      3. Establish if Anything Has Changed
      4. Identify the Most Probable Cause
      5. Determine if Escalation Is Necessary
      6. Create an Action Plan and Solution Identifying Potential Effects
      7. Implement and Test a Solution
      8. Identify the Results and Effects of the Solution
      9. Document the Solution and the Entire Process
    4. Troubleshooting Scenarios
      1. “I Can’t Log In!”
      2. “I Can’t Get to This Web Site!”
      3. “Our Web Server Is Sluggish!”
      4. “I Can’t See Anything on the Network!”
      5. “It’s Time to Escalate!”
      6. Troubleshooting Is Fun!
    5. Chapter Review
      1. Questions
      2. Answers
  22. Chapter 16 Wireless Networking
    1. Historical/Conceptual
    2. Test Specific
    3. Wi-Fi Standards
      1. 802.11
      2. 802.11b
      3. 802.11a
      4. 802.11g
      5. 802.11n
      6. Wireless Networking Security
      7. Power Over Ethernet
    4. Implementing Wi-Fi
      1. Site Survey
      2. Installing the Client
      3. Setting Up an Ad Hoc Network
      4. Setting Up an Infrastructure Network
      5. Extending the Network
      6. Verify the Installation
    5. Troubleshooting Wi-Fi
      1. Hardware Troubleshooting
      2. Software Troubleshooting
      3. Connectivity Troubleshooting
      4. Configuration Troubleshooting
    6. Chapter Review
      1. Questions
      2. Answers
  23. Chapter 17 Protecting Your Network
    1. Test Specific
    2. Common Threats
      1. System Crash/Hardware Failure
      2. Administrative Access Control
      3. Malware
      4. Social Engineering
      5. Denial of Service
      6. Physical Intrusion
      7. Rogue Access Points
    3. Securing User Accounts
      1. Passwords
      2. Controlling User Accounts
    4. Firewalls
      1. Hiding the IPs
      2. Port Filtering
      3. Packet Filtering
      4. MAC Filtering
      5. Personal Firewalls
      6. Network Zones
      7. Securing Remote Access
    5. Chapter Review
      1. Questions
      2. Answers
  24. Chapter 18 Network Management
    1. Test Specific
    2. Network Configuration Management
      1. Configuration Management Documentation
      2. Change Management Documentation
    3. Monitoring Performance and Connectivity
    4. Network Performance Optimization
      1. Caching
      2. Controlling Data Throughput
      3. Keeping Resources Available
    5. Chapter Review
      1. Questions
      2. Answers
  25. Appendix A Objectives Map: CompTIA Network+
  26. Appendix B About the Download
    1. System Requirements
    2. Installing and Running Total Tester
    3. About Total Tester
    4. Playing Mike Meyers' Introduction Video
    5. Mike's Cool Tools
    6. Technical Support
    7. LearnKey Technical Support
  27. Glossary
  28. Index
  29. MediaCenter