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CompTIA Network+ Certification Study Guide, Sixth Edition (Exam N10-006), 6th Edition

Book Description

The best IT certification exam study system available for CompTIA Network+ Exam N10-006

With hundreds of practice exam questions, including new performance-based types, CompTIA Network+ Certification Study Guide, Sixth Edition (Exam N10-006) covers everything you need to know to prepare for this challenging exam.

  • 100% complete coverage of all official objectives for exam N10-006
  • Exam Readiness checklist—you’re ready for the exam when all objectives on the list are checked off
  • Inside the Exam sections in every chapter highlight key exam topics covered
  • Two-Minute Drills for quick review at the end of every chapter
  • Simulated exam questions match the format, tone, topics, and difficulty of the real exam

Covers all the exam topics, including:
Basic Network Concepts * Network Protocols and Standards * Networking Components * TCP/IP Addressing * TCP/IP Protocols * TCP/IP Utilities * Configuring Routers and Switches * Subnetting and Routing * Configuring Network Services * Wireless Networking * Remote Access and VPN Connectivity * Wide Area Network Technologies * Implementing a Network * Maintaining and Supporting a Network * Network Security Principles * Network Security Practices * Monitoring the Network * Troubleshooting the Network

Electronic content includes:

  • 500+ practice exam questions
  • Test engine with practice exams and custom quizzes based on chapters or exam objectives
  • NEW performance-based questions
  • NEW Pre-assessment test
  • 3+ hours of video training
  • 20+ lab exercises
  • Quick Review Guide
  • Worksheets

Save 10% on any CompTIA exam voucher! Coupon code inside the book.

Table of Contents

  1. Cover Page
  2. Title Page
  3. Copyright Page
  4. Dedication
  5. Contents
  6. Preface
  7. Acknowledgments
  8. Introduction
  9. 1 Basic Network Concepts
    1. Identifying Characteristics of a Network
      1. Servers, Workstations, and Hosts
      2. WANs, LANs, and MANs
      3. Types of Networks
      4. Internet, Intranet, and Extranet
    2. Identifying Network Topologies
      1. Bus Topologies
      2. Star Topologies
      3. Mesh Topologies
      4. Ring Topologies
      5. Hybrid Topologies
      6. Wireless Topologies
      7. Point-to-Point and Point-to-Multipoint
      8. Segments and Backbones
    3. Network Media and Connectors
      1. Coaxial Cable
      2. Twisted-Pair Cable
      3. Exercise 1-1: Crimping a Category 5 Cable
      4. Fiber-Optic Cable
      5. Connector Types
      6. Networking over Power Lines
      7. Media Converters
    4. Access Methods
      1. CSMA/CD
      2. CSMA/CA
      3. Token Passing
      4. Modulation Techniques
      5. Multiplexing and De-multiplexing
      6. Bit Rates vs. Baud Rate
    5. Network Architectures
      1. Baseband and Broadband
      2. Ethernet
      3. Token Ring
      4. FDDI
      5. Exercise 1-2: Identifying the Different Network Architectures
    6. Network Operating Systems
      1. Windows Servers
      2. Exercise 1-3: Installing DNS on a Windows Server
      3. UNIX/Linux
      4. Certification Summary
      5. ✓ Two-Minute Drill
      6. Q&A Self Test
      7. Self Test Answers
  10. 2 Network Protocols and Standards
    1. Network Protocols
      1. NetBEUI
      2. What Is NetBIOS?
      3. IPX/SPX
      4. AppleTalk
      5. TCP/IP
      6. Routable vs. Nonroutable Protocols
    2. The OSI Model
      1. Layer 7: The Application Layer
      2. Layer 6: The Presentation Layer
      3. Layer 5: The Session Layer
      4. Layer 4: The Transport Layer
      5. Layer 3: The Network Layer
      6. Layer 2: The Data Link Layer
      7. Layer 1: The Physical Layer
      8. Data Encapsulation
      9. Exercise 2-1: Mixing and Matching OSI Model Definitions
      10. Protocols and the OSI Layers
      11. Exercise 2-2: Viewing Protocol Information with Network Monitor
      12. Exercise 2-3: Analyzing Network Traffic
    3. 802 Project Standards
      1. IEEE 802 Categories
      2. Certification Summary
      3. ✓ Two-Minute Drill
      4. Q&A Self Test
      5. Self Test Answers
  11. 3 Networking Components
    1. Network Interface Cards
      1. Transceivers
      2. Exercise 3-1: Configuring a Network Card
      3. MAC Address
      4. Exercise 3-2: Determining Your Local Machine’s MAC Address
      5. Troubleshooting Network Cards
    2. Hubs, MAUs, and Repeaters
      1. Hubs
      2. Multistation Access Units
      3. Repeaters
    3. Bridges and Switches
      1. Bridges
      2. Switches
    4. Routers and Brouters
      1. Routers
      2. Brouters
      3. Collision Domains and Broadcast Domains
    5. Gateways and Security Devices
      1. Gateways
      2. Firewalls
      3. Intrusion Detection Systems
      4. Exercise 3-3: Identifying Network Components
    6. Other Networking Devices
      1. Wireless Access Points
      2. Analog Modems
      3. CSU/DSU
      4. ISDN
      5. Network Appliances
      6. Virtualization
      7. Cloud Computing
      8. Storage Area Networks
      9. SCADA/ICS and Medianets
      10. Power Management
      11. Wiring Distribution and Rack Systems
      12. Device Placement and Labeling
      13. Certification Summary
      14. ✓ Two-Minute Drill
      15. Q&A Self Test
      16. Self Test Answers
  12. 4 TCP/IP Addressing
    1. TCP/IP Fundamentals
      1. TCP/IP Settings
      2. Exercise 4-1: Identifying Remote Systems
    2. TCP/IP Addressing
      1. Understanding Binary
      2. Exercise 4-2: Converting Decimal to Binary
      3. Exercise 4-3: Converting Binary to Decimal
      4. Address Classes
      5. Exercise 4-4: Identifying Address Classes
      6. Loopback Address
      7. Private Addresses
      8. Exercise 4-5: Understanding Valid Addresses
      9. Addressing Schemes
      10. TCP/IP Ports
      11. Exercise 4-6: Viewing TCP/IP Port Values
    3. TCP/IP Configuration Concepts
      1. Manual Configuration
      2. Dynamic Host Configuration Protocol (DHCP)
      3. Exercise 4-7: Configuring TCP/IP to Use DHCP
      4. APIPA
      5. Boot Protocol
      6. Domain Name System
      7. Windows Internet Naming Service
      8. Exercise 4-8: Configuring a Client for DNS
      9. Configuring a Linux Machine for TCP/IP
      10. Certification Summary
      11. ✓ Two-Minute Drill
      12. Q&A Self Test
      13. Self Test Answers
  13. 5 TCP/IP Protocols
    1. TCP/IP Protocol Suite
      1. The TCP/IP Model
      2. Exercise 5-1: Identifying TCP/IP Protocols
    2. IPv6 Fundamentals
      1. IPv6 Addressing and Hexadecimal Addressing
      2. IPv6 Protocols
      3. Tunneling Protocols
      4. Exercise 5-2: Exploring IPv6
    3. Network Services
      1. Web Services
      2. Network Controllers
      3. DHCP
      4. DNS
      5. RDP
      6. WINS
      7. NAT/PAT/SNAT
      8. ICS
      9. SMB/CIFS
      10. NFS
      11. AFP
      12. Samba
      13. ZeroConfig
      14. VoIP
      15. Unified Voice Services
      16. Certification Summary
      17. ✓ Two-Minute Drill
      18. Q&A Self Test
      19. Self Test Answers
  14. 6 TCP/IP Utilities and Troubleshooting
    1. Communication Requires ARP
      1. How ARP Works
      2. ARP Cache
      3. Exercise 6-1: Using ARP to See Your Local ARP Cache
      4. RARP
    2. Common TCP/IP Commands
      1. IPCONFIG and ifconfig
      2. Exercise 6-2: Using IPCONFIG
      3. Ping and Hping2
      4. Exercise 6-3: Using Ping
      5. Tracert/traceroute
      6. Netstat
      7. Exercise 6-4: Using Netstat to Determine Open Connections to a System
      8. Telnet
      9. Exercise 6-5: Using Telnet to Remotely Administer a Cisco Router
      10. FTP
      11. Exercise 6-6: Configuring and Using FTP
    3. Name Resolution Commands
      1. NBTSTAT
      2. Exercise 6-7: Using NBTSTAT to View NetBIOS Name Tables
      3. NSLOOKUP and DIG
      4. Exercise 6-8: Using NSLOOKUP
    4. TCP/IP Utilities
      1. Hostname and Host
      2. MTR
      3. Route
      4. Arping
      5. Pathping
      6. MAC Address Lookup Table
    5. Troubleshooting with TCP/IP Utilities
      1. Connectivity Problems
      2. Name-Resolution Problems
      3. Certification Summary
      4. ✓ Two-Minute Drill
      5. Q&A Self Test
      6. Self Test Answers
  15. 7 Configuring Routers and Switches
    1. Basic Router Configuration
      1. Configuration Modes
      2. Configuring the Hostname
      3. Configuring Interfaces
      4. Exercise 7-1: Performing Basic Configuration of Cisco Routers
    2. Basic Switch Configuration
      1. Configuring Interfaces
      2. Configuring VLANs
      3. Port Mirroring
      4. Exercise 7-2: Configuring VLANs on Cisco Switches
      5. Configuring Port Security
      6. Switch Management
    3. Troubleshooting Connectivity
      1. Layer-1 and Layer-2 Troubleshooting
      2. Layer-3 Troubleshooting
      3. Certification Summary
      4. ✓ Two-Minute Drill
      5. Q&A Self Test
      6. Self Test Answers
  16. 8 Subnetting and Routing
    1. Understanding Subnetting
      1. Exercise 8-1: Subnetting IP Addresses
    2. Classful vs. Classless Addressing
      1. CIDR
      2. Exercise 8-2: Subnetting Networks
      3. Supernetting
    3. Understanding Routing and Static Routes
      1. Routing Concepts
      2. Cisco Routers
      3. Exercise 8-3: Configuring Cisco Routers
      4. Windows Routers
    4. Dynamic Routing Protocols
      1. Routing Metrics
      2. Distance Vector
      3. Link State
      4. Advanced Concepts
      5. Certification Summary
      6. ✓ Two-Minute Drill
      7. Q&A Self Test
      8. Self Test Answers
  17. 9 Configuring Network Services
    1. Understanding DNS
      1. DNS Overview
      2. Configuring DNS Records
      3. Dynamic DNS
      4. Exercise 9-1: Installing and Configuring DNS
    2. Deploying DHCP
      1. DHCP Overview
      2. Configuring DHCP
      3. Configuring Reservations
      4. Exercise 9-2: Installing and Configuring DHCP
      5. DHCP Relay and IP Helper
    3. Implementing NAT
      1. NAT Overview
      2. Configuring NAT
      3. Exercise 9-3: Configuring NAT on Windows Server
    4. Port Forwarding, Proxy Servers, and Unified Communications
      1. Port Forwarding
      2. Exercise 9-4: Configuring Port Forwarding
      3. Proxy Servers
      4. Unified Communications
      5. Certification Summary
      6. ✓ Two-Minute Drill
      7. Q&A Self Test
      8. Self Test Answers
  18. 10 Wireless Networking
    1. Wireless Basics
      1. Wireless Concepts
      2. Wireless Network Types
      3. Wireless Standards
      4. Channels
      5. Authentication and Encryption
    2. Securing Wireless
      1. Security Best Practices
      2. Threats Against Wireless
    3. Implementing a Wireless Network
      1. Configuring the Wireless Router/Access Point
      2. Wireless Security
      3. Configuring the Client
      4. Exercise 10-1: Configuring a Wireless Network
      5. Implementing MAC Filtering
      6. Changing the SSID and Implementing WEP
      7. Configuring a Windows 8 Client
      8. Configuring Roaming Wireless
      9. Understanding Mobile Devices
      10. Troubleshooting Wireless
    4. PAN Networking
      1. Infrared (IR)
      2. Bluetooth
      3. NFC
      4. Certification Summary
      5. ✓ Two-Minute Drill
      6. Q&A Self Test
      7. Self Test Answers
  19. 11 Remote Access and VPN Connectivity
    1. Remote Connectivity Concepts
      1. Public Switched Telephone Network
      2. Integrated Services Digital Network
    2. Remote Access Service (RAS)
      1. Serial Line Internet Protocol
      2. Point-to-Point Protocol
      3. Exercise 11-1: Enabling Modem Logging in Windows
    3. Dial-Up Networking
      1. Modem Configuration Parameters
      2. Unimodem
      3. Telephony API
      4. Requirements for a Remote Connection
      5. Exercise 11-2: Creating a PPP Dial-Up Connection
    4. Virtual Private Networks (VPNs)
      1. VPN Overview
      2. VPN Protocols
      3. Exercise 11-3: Setting Up a VPN Server
      4. Exercise 11-4: Setting Up a VPN Client
      5. Certification Summary
      6. ✓ Two-Minute Drill
      7. Q&A Self Test
      8. Self Test Answers
  20. 12 Wide Area Network Technologies
    1. Packet-Switching vs. Circuit-Switching Networks
      1. Packet Switching
      2. Circuit Switching
      3. X.25 and Frame Relay
    2. Fiber-Optic WAN Technologies
      1. Synchronous Optical Network/Synchronous Digital Hierarchy
      2. Optical Carrier Level-X
      3. Fiber Distributed Data Interface
      4. Asynchronous Transfer Mode
    3. Internet Access Technologies
      1. Leased Lines with Tx-/Ex-Carriers
      2. DSL/ADSL
      3. Broadband Cable
      4. High Speed via Satellite and Cellular Networks
      5. Other Methods of Internet Access
      6. Certification Summary
      7. ✓ Two-Minute Drill
      8. Q&A Self Test
      9. Self Test Answers
  21. 13 Implementing a Network
    1. Installing a Network
      1. Networking Options
      2. Network Requirements
      3. Exercise 13-1: Confirming Networking Components in Windows
      4. Installing a Network Server
    2. Creating User Accounts
      1. Built-in Accounts
      2. Creating User Accounts
      3. Exercise 13-2: Creating Users in Active Directory
      4. Password Policies
      5. Exercise 13-3: Configuring a Password Policy
    3. Managing Groups
      1. Built-in Groups
      2. Creating Groups
      3. Exercise 13-4: Creating Groups in Active Directory
    4. Securing Files and Folders
      1. Securing Files in Windows
      2. Exercise 13-5: Configuring Permissions in Windows Server 2012
      3. Connecting to a Shared Folder
      4. Securing Files in Linux
    5. Installing Printers
      1. Installing a Print Server
      2. Changing Printer Permissions
      3. Exercise 13-6: Installing a Printer on Windows Server 2012
      4. Configuring a Print Client
    6. Working with Network Hardware
      1. Environmental Factors that Affect Computer Networks
      2. Common Peripheral Ports and Network Components
      3. Compatibility and Cabling Issues
      4. Implementing a SOHO Network
      5. Implement a Network Based on Requirements
      6. Certification Summary
      7. ✓ Two-Minute Drill
      8. Q&A Self Test
      9. Self Test Answers
  22. 14 Maintaining and Supporting a Network
    1. Network Upgrades and Downgrades
      1. Safety Practices
      2. Software Upgrades
      3. Hardware Upgrades
    2. Installing Patches and Updates
      1. Exercise 14-1: Configuring Windows Update
      2. Windows Server Update Services (WSUS)
    3. Antivirus and Antispyware Software
      1. Antivirus Software
      2. Antispyware/Adware
    4. Backing Up Network Data
      1. Tape Drives
      2. Archives
      3. Full, Incremental, and Differential Backups
      4. Scheduling Backups
      5. Exercise 14-2: Backing Up and Restoring Data on a Windows Server
    5. Providing Fault Tolerance
      1. RAID Level 0
      2. RAID Level 1
      3. RAID 5
      4. Exercise 14-3: Understanding and Configuring Fault Tolerance
    6. Network Documentation and Configuration Management
      1. Wiring Schematics
      2. Physical Network Diagrams
      3. Logical Network Diagrams
      4. Asset Management
      5. IP Address Utilization
      6. Vendor Documentation
      7. Baselines
      8. Internal Policies, Procedures, and Standards
      9. Change Management
      10. Configuration Management
      11. Certification Summary
      12. ✓ Two-Minute Drill
      13. Q&A Self Test
      14. Self Test Answers
  23. 15 Network Security Principles
    1. Understanding Attack Types
      1. Social Engineering
      2. Phishing Attack
      3. Network-Based Attacks
      4. Common Vulnerabilities
      5. Malicious Software
      6. Mitigating Attacks
    2. Understanding System Security
      1. Authentication
      2. Authorization
      3. Windows Security Subsystem
      4. Configuring Permissions
      5. Securing the Registry
      6. Exercise 15-1: Setting Permissions on Registry Keys
      7. Configuring User Rights
      8. Exercise 15-2: Modifying User Rights on a Windows System
      9. Configuring Auditing
      10. Exercise 15-3: Implementing Auditing in Windows
    3. Implementing Network Security
      1. Network Access Security
    4. Securing Communication
      1. Defining Data Encryption
      2. Encryption Methods
      3. Encryption Standards
      4. Methods of Securing Traffic
    5. Fault Tolerance and Disaster Recovery
      1. Fault Tolerance
      2. Disaster Recovery and Business Continuity
    6. Guidelines to Protect the Network
      1. Physical Security
      2. Firewalls
      3. Intrusion Detection Systems
      4. Patch Management
      5. Hardening Devices and Systems
      6. Data Encryption
      7. Policies and Procedures
      8. Vulnerability Testing and Penetration Testing
      9. End-User Awareness and Training
      10. Certification Summary
      11. ✓ Two-Minute Drill
      12. Q&A Self Test
      13. Self Test Answers
  24. 16 Network Security Practices
    1. Implement Network Hardening Techniques
      1. Security Policy and Access Control Models
      2. Antimalware Software
      3. Switch Port Security
      4. Disable Unneeded Network Services
      5. Network Segmentation and Access Lists
      6. Use Secure Protocols
    2. Physical Security Controls
      1. Securing the Premises
      2. Network Closet/Server Room
      3. Access Control Methods
    3. Implementing Firewalls
      1. Firewall Architecture
      2. Firewall Types
      3. Other Firewall Features
      4. Configuring Access Control Lists
      5. Exercise 16-1: Enabling the Windows Firewall
    4. Basic Forensics Concepts
      1. First Responder
      2. Evidence Collection
      3. Handling Evidence
      4. Forensics Report
      5. Legal Hold
      6. Certification Summary
      7. ✓ Two-Minute Drill
      8. Q&A Self Test
      9. Self Test Answers
  25. 17 Monitoring the Network
    1. Monitoring and Logging
      1. Monitoring
      2. Logging
    2. Monitoring Tools
      1. Packet/Network Analyzer
      2. Port Scanner
      3. Exercise 17-1: Using a Port Scanner
      4. System Monitor
      5. Exercise 17-2: Using System Monitor
      6. Event Viewer
      7. Exercise 17-3: Checking Event Logs
      8. Other Monitoring Tools
      9. Environmental and Power Monitoring
    3. Monitoring Techniques to Track Problems
      1. Monitoring Best Practices
      2. Monitoring Utilization
      3. Interface Monitoring
      4. Certification Summary
      5. ✓ Two-Minute Drill
      6. Q&A Self Test
      7. Self Test Answers
  26. 18 Troubleshooting the Network
    1. Managing Network Problems
      1. Does the Problem Exist Across the Network?
      2. Workstation, Workgroup, LAN, or WAN Problem?
      3. Is the Problem Consistent and Replicable?
      4. Standard Troubleshooting Methods
    2. Network Troubleshooting Methodology
      1. Step 1: Identify the Problem
      2. Step 2: Establish a Theory of Probable Cause
      3. Step 3: Test the Theory to Determine Cause
      4. Step 4: Establish a Plan of Action to Resolve the Problem and Identify Potential Effects
      5. Step 5: Implement the Solution or Escalate as Necessary
      6. Step 6: Verify Full System Functionality and, If Applicable, Implement Preventative Measures
      7. Step 7: Document Findings, Actions, and Outcomes
      8. Other Methodology Steps
      9. Sample Troubleshooting Situations
    3. System or Operator Problems
    4. Checking Physical and Logical Indicators
      1. Link Lights
      2. Collision Lights
      3. Power Lights
      4. Error Displays
      5. Error Logs and Displays
      6. Performance Issues and Optimization
      7. Physical and Logical Issues
    5. Other Symptoms and Causes of Network Problems
      1. Recognizing Abnormal Physical Conditions
      2. Isolating and Correcting Problems in the Physical Media
      3. Checking the Status of Servers
      4. Checking for Configuration Problems
      5. Checking for Viruses
      6. Checking the Validity of the Account Name and Password
      7. Rechecking Operator Logon Procedures
      8. Selecting and Running Appropriate Diagnostics
    6. Network Troubleshooting Tools
      1. Cable Crimper, Wire Stripper, and Punch-Down Tool
      2. Cable Tester, Certifier, and Butt Set
      3. Crossover Cables
      4. Loopback Plug, Line Testers, and Light Meter
      5. Tone Generator/Toner Probe
      6. TDR and OTDR
      7. Oscilloscopes
      8. Multimeter
      9. Software Troubleshooting Tools
      10. Certification Summary
      11. ✓ Two-Minute Drill
      12. Q&A Self Test
      13. Self Test Answers
  27. A About the Download
  28. B How to Score Your Pre-assessment
  29. C Performance-Based Questions and Answers
  30. Glossary
  31. Index