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Wiley Template v5.0
by Todd Lammle
CompTIA Network+ Study Guide, 4th Edition
Introduction
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 Lab
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 Labs
Written Lab 7.1
Written Lab 7.2
Written Lab 7.3
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 Lab
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
Advanced IPv6 Concepts
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
Cellular
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 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 tcpdump
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
20.6
Review Questions
Appendix A: Answers to Written Labs
Appendix B: Answers to Review Questions
Appendix C: Subnetting Class A
Index
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