Cover image for CompTIA Network+ Certification Study Guide, Seventh Edition (Exam N10-007), 7th Edition

CompTIA Network+ Certification Study Guide, Seventh Edition (Exam N10-007), 7th Edition

Author Glen E. Clarke
Release Date: 2018/08/01
ISBN: 9781260122053
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Book Description

Your complete exam prep course with digital content—500+ practice exam questions, 3+ hours of video training, and much more

With hundreds of practice exam questions, including new performance-based types, CompTIA Network+® Certification Study Guide, Seventh Edition (Exam N10-007) covers everything you need to know to prepare for this challenging exam.
•100% complete coverage of all official objectives for exam N10-007
•Exam Watch notes call attention to information about, and potential pitfalls in, the exam
•Exam Readiness checklist—you’re ready for the exam when all objectives on the list are checked off
•Inside the Exam sections 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 and Troubleshooting • Configuring Routers and Switches • Subnetting and Routing • Configuring Network Services • Wireless Networking • Remote Access and VPN Connectivity • Wide Area Network Technologies • Maintaining and Supporting a Network • Network Security Principles • Network Security Practices • Monitoring the Network • Troubleshooting the Network
Online content includes:
•500+ practice exam questions
•Test engine that provides full-length practice exams or customized quizzes based on chapters or exam objectives
•NEW performance-based question simulations
•Pre-assessment test
•3+ hours of video training
•20+ lab exercises and solutions
•Bonus chapter! “Implementing a Network”
•Quick Review Guide
•Glossary

Table of Contents

  1. Cover
  2. Title Page
  3. Copyright Page
  4. Dedication
  5. Contents
  6. Preface
  7. Acknowledgments
  8. Introduction
  9. Exam Readiness Checklist
  10. 1 Basic Network Concepts
    1. Identifying Characteristics of a Network
      1. Servers, Workstations, and Hosts
      2. LANs, WANs, 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. Logical vs. Physical
      9. 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. Modulation Techniques
    5. Network Architectures
      1. Baseband and Broadband
      2. Fast Ethernet (100BaseT and 100BaseFX)
      3. Gigabit Ethernet
      4. 10-Gigabit Ethernet
      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
    7. Certification Summary
    8. Two-Minute Drill
    9. Q&A Self Test
      1. Self Test Answers
  11. 2 Network Protocols and Standards
    1. Network Protocols
      1. NetBEUI
      2. What Is NetBIOS?
      3. TCP/IP
      4. 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
    4. Certification Summary
    5. Two-Minute Drill
    6. Q&A Self Test
    7. Self Test Answers
  12. 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 and Repeaters
      1. Hubs
      2. Repeaters
    3. Bridges and Switches
      1. Bridges
      2. Switches
    4. Routers and Multilayer Switches
      1. Routers
      2. Multilayer Switches
      3. Collision Domains and Broadcast Domains
    5. Gateways, Security Devices, Virtualization, and Cloud Computing
      1. Gateways
      2. Firewalls
      3. Intrusion Detection Systems
      4. Exercise 3-3: Identifying Network Components
    6. Other Networking Devices
      1. Wireless Access Points
      2. Wireless Range Extender
      3. VoIP End Point
      4. Analog Modems
      5. CSU/DSU
      6. ISDN
      7. Advanced Networking Devices
      8. Virtualization
      9. Cloud Computing
      10. Network Storage Types
      11. SCADA/ICS and Medianets
      12. Wiring Distribution and Rack Systems
      13. Device Placement and Labeling
    7. Certification Summary
    8. Two-Minute Drill
    9. Q&A Self Test
    10. Self Test Answers
  13. 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 vs. Public Addresses
      8. Exercise 4-5: Understanding Valid Addresses
      9. Virtual IP
      10. Addressing Schemes
      11. TCP/IP Ports
      12. Exercise 4-6: Viewing TCP/IP Port Values
    3. TCP/IP Configuration Concepts
      1. Manual Configuration/Static Address
      2. Dynamic Host Configuration Protocol (DHCP)
      3. Exercise 4-7: Configuring TCP/IP to Use DHCP
      4. APIPA
      5. Boot Protocol
      6. IP Reservations
      7. Domain Name System
      8. Windows Internet Naming Service
      9. Exercise 4-8: Configuring a Client for DNS
      10. Configuring a Linux Machine for TCP/IP
    4. Certification Summary
    5. Two-Minute Drill
    6. Q&A Self Test
    7. Self Test Answers
  14. 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. IPAM
    4. Certification Summary
    5. Two-Minute Drill
    6. Q&A Self Test
    7. Self Test Answers
  15. 6 TCP/IP Utilities and Troubleshooting
    1. Communication Requires ARP
      1. ARP Cache
      2. Exercise 6-1: Using ARP to See Your Local ARP Cache
      3. 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. DNS Resolver Cache
      2. Exercise 6-7: Windows DNS Resolver Cache
      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. Software Tools
      4. Exercise 6-9: Performing a Port Scan
    6. Certification Summary
    7. Two-Minute Drill
    8. Q&A Self Test
    9. Self Test Answers
  16. 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
      5. Segmenting into Zones
    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
    4. Certification Summary
    5. Two-Minute Drill
    6. Q&A Self Test
    7. Self Test Answers
  17. 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. VLSM in Detail
    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. Hybrid
      5. Advanced Concepts
    5. Certification Summary
    6. Two-Minute Drill
    7. Q&A Self Test
    8. Self Test Answers
  18. 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. Other Network Services
      1. Port Forwarding
      2. Exercise 9-4: Configuring Port Forwarding
      3. Proxy Servers
      4. Unified Communications
      5. Access Control List
      6. Distributed Switching
      7. Software-Defined Networking
    5. Certification Summary
    6. Two-Minute Drill
    7. Q&A Self Test
    8. Self Test Answers
  19. 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. Configuring Roaming Wireless
      6. Understanding Mobile Devices
      7. Troubleshooting Wireless
    4. Other Wireless Networking
      1. Infrared (IR)
      2. Bluetooth
      3. NFC
      4. Cellular
      5. Technologies that Facilitate the Internet of Things (IoT)
      6. Geofencing
    5. Certification Summary
    6. Two-Minute Drill
    7. Q&A Self Test
    8. Self Test Answers
  20. 11 Remote Access and VPN Connectivity
    1. Remote Connectivity Concepts
      1. Remote Access and Administration
      2. Out-of-Band Management
      3. Public Switched Telephone Network
      4. 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. Purpose of Modems
      2. Requirements for a Remote Connection
      3. 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
  21. 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
    4. Certification Summary
    5. Two-Minute Drill
    6. Q&A Self Test
    7. Self Test Answers
  22. 13 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 13-1: 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 13-2: Backing Up and Restoring Data on a Windows Server
    5. Providing Fault Tolerance
      1. RAID Level 0
      2. RAID Level 1
      3. RAID Level 5
      4. Exercise 13-3: Understanding and Configuring Fault Tolerance
    6. Network Documentation and Configuration Management
      1. Diagram Symbols
      2. Wiring Schematics
      3. Physical Network Diagrams
      4. Logical Network Diagrams
      5. Inventory Management and Labeling
      6. IP Address Utilization
      7. Vendor Documentation
      8. Baselines
      9. Internal Policies, Procedures, and Standards
      10. Change Management Documentation
      11. Configuration Management
    7. Certification Summary
    8. Two-Minute Drill
    9. Q&A Self Test
    10. Self Test Answers
  23. 14 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 14-1: Setting Permissions on Registry Keys
      7. Configuring User Rights
      8. Exercise 14-2: Modifying User Rights on a Windows System
      9. Configuring Auditing
      10. Exercise 14-3: 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. Availability Concepts and Disaster Recovery
      1. Fault Tolerance
      2. High Availability
      3. Power Management
      4. 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
    7. Certification Summary
    8. Two-Minute Drill
    9. Q&A Self Test
    10. Self Test Answers
  24. 15 Network Security Practices
    1. Physical Security Controls
      1. Securing the Premises
      2. Detective Controls
      3. Prevention Controls
      4. Network Closet/Server Room
      5. Access Control Methods
    2. Implementing Network Device Hardening Techniques
      1. Account Best Practices
      2. Patching and Updates
      3. Cryptography Technologies
      4. Security Policy and Access Control Models
      5. Antimalware Software
      6. Disable Unused Ports
      7. Switch Port Security
      8. Disabling Unnecessary Services
      9. Network Segmentation and Access Lists
      10. Use Secure Protocols
    3. Implementing Firewalls
      1. Firewall Architecture
      2. Firewall Types
      3. Other Firewall Features
      4. Configuring Access Control Lists
      5. Exercise 15-1: Enabling the Windows Firewall
    4. Common Mitigation Techniques
      1. Signature Management
      2. Device Hardening
      3. Switch Port Protection
      4. Network Segmentation
      5. Other Mitigation Techniques
    5. Certification Summary
    6. Two-Minute Drill
    7. Q&A Self Test
    8. Self Test Answers
  25. 16 Monitoring the Network
    1. Monitoring and Logging
      1. Monitoring
      2. Logging
    2. Monitoring Processes and Tools
      1. Log Reviewing
      2. Packet/Traffic Analysis
      3. Port Scanning
      4. Exercise 16-1: Using a Port Scanner
      5. Vulnerability Scanning
      6. Patch Management and Rollback
      7. Reviewing Baselines with System Monitor
      8. Exercise 16-2: Using System Monitor
      9. Event Viewer
      10. Exercise 16-3: Checking Event Logs
      11. Other Monitoring Tools
      12. Event Management
      13. Environmental and Power Monitoring
    3. Monitoring Techniques to Track Problems
      1. Monitoring Best Practices
      2. Monitoring Utilization
      3. Interface Monitoring and Metrics
    4. Certification Summary
    5. Two-Minute Drill
    6. Q&A Self Test
    7. Self Test Answers
  26. 17 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. Sample Troubleshooting Situations
    3. Common Network Issues and Their Indicators
    4. Checking Physical and Logical Indicators
      1. Link Lights
      2. Collision Lights and Switch Status Lights
      3. Power Lights
      4. Error Displays
      5. Error Logs and Displays
      6. Performance Issues and Optimization
      7. Troubleshoot Common Wired Connectivity and Performance 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. Troubleshoot Common Network Service Issues
      5. Common Network Troubleshooting Issues
      6. Checking for Viruses
      7. Checking the Validity of the Account Name and Password
      8. Rechecking Operator Logon Procedures
      9. 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 Adapter, Line Testers, and Light Meter
      5. Tone Generator/Toner Probe
      6. TDR and OTDR
      7. Oscilloscopes
      8. Multimeter
      9. Spectrum Analyzer
      10. Software Troubleshooting Tools
    7. Certification Summary
    8. Two-Minute Drill
    9. Q&A Self Test
    10. Self Test Answers
  27. Appendix About the Online Content
  28. Index
18.116.43.124