CompTIA Network+ Study Guide / Todd Lammle.

Ch. 1 Introduction to Networks -- First Things First: What's a Network? -- The Local Area Network -- Common Network Components -- Wide Area Network -- Network Architecture: Peer-to-Peer or Client-Server? -- Physical Network Topologies -- Bus Topology -- Star Topology -- Ring Topology -- Mesh Topology -- Point-to-Point Topology -- Point-to-Multipoint Topology -- Hybrid Topology -- Topology Selection, Backbones, and Segments -- Selecting the Right Topology -- The Network Backbone -- Network Segments -- Summary -- Exam Essentials -- Written Labs -- Review Questions -- ch. 2 The Open Systems Interconnection Specifications -- Internetworking Models -- The Layered Approach -- Advantages of Reference Models -- The OSI Reference Model -- The Application Layer -- The Presentation Layer -- The Session Layer -- The Transport Layer -- The Network Layer -- The Data Link Layer -- The Physical Layer -- Introduction to Encapsulation -- Modulation Techniques

Ethernet at the Physical Layer -- Ethernet over Other Standards (IEEE 1905.1-2013) -- Ethernet over Power Line -- Ethernet over HDMI -- Summary -- Exam Essentials -- Written Lab -- Review Questions -- ch. 5 Networking Devices -- Common Network Connectivity Devices -- Network Interface Card -- Hub -- Bridge -- Switch -- Router -- Firewall -- IDS/IPS -- HIDS -- Access Point -- Dynamic Host Configuration Protocol Server -- Other Specialized Devices -- Multilayer Switch -- Load Balancer -- Domain Name Service Server -- Proxy Server -- Encryption Devices -- Analog Modem -- Packet Shaper -- VPN Concentrator -- Planning and Implementing a Basic SOHO Network Using Network Segmentation -- Determining Requirements -- Switches and Bridges at the Data Link Layer -- Hubs at the Physical Layer -- Environmental Considerations -- Summary -- Exam Essentials -- Written Lab -- Review Questions -- ch. 6 Introduction to the Internet Protocol -- Introducing TCP/IP

A Brief History of TCP/IP -- TCP/IP and the DoD Model -- The Process/Application Layer Protocols -- The Host-to-Host Layer Protocols -- The Internet Layer Protocols -- Data Encapsulation -- Summary -- Exam Essentials -- Written Lab -- Review Questions -- ch. 7 IP Addressing -- IP Terminology -- The Hierarchical IP Addressing Scheme -- Network Addressing -- Private IP Addresses (RFC 1918) -- IPv4 Address Types -- Layer 2 Broadcasts -- Layer 3 Broadcasts -- Unicast Address -- Multicast Address (Class D) -- Internet Protocol Version 6 (IPv6) -- Why Do We Need IPv6? -- The Benefits of and Uses for IPv6 -- IPv6 Addressing and Expressions -- Shortened Expression -- Address Types -- Special Addresses -- Stateless Autoconfiguration (EUI-64) -- DHCPv6 (Stateful) -- Migrating to IPv6 -- Summary -- Exam Essentials -- Written Lab -- Written Lab 7.1 -- Written Lab 7.2 -- Written Lab 7.3 -- Review Questions

Ch. 8 IP Subnetting, Troubleshooting IP, and Introduction to NAT -- Subnetting Basics -- How to Create Subnets -- Subnet Masks -- Classless Inter-Domain Routing (CIDR) -- Subnetting Class C Addresses -- Subnetting Class B Addresses -- Troubleshooting IP Addressing -- Determining IP Address Problems -- Introduction to Network Address Translation (NAT) -- Types of Network Address Translation -- NAT Names -- How NAT Works -- Summary -- Exam Essentials -- Written Labs -- Review Questions -- ch. 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 -- ch. 10 Routing Protocols -- Routing Protocol Basics -- Administrative Distances -- Classes of Routing Protocols -- Distance Vector Routing Protocols -- Routing Information Protocol (RIP) -- RIP Version 2 (RIPv2) -- VLSM and Discontiguous Networks -- EIGRP

Border Gateway Protocol (BGP) -- Link State Routing Protocols -- Open Shortest Path First (OSPF) -- Intermediate System-to-Intermediate System (IS-IS) -- High Availability -- Hot Standby Router Protocol (HSRP) -- Virtual Router Redundancy Protocol -- IPv6 Routing Protocols -- RIPng -- EIGRPv6 -- OSPFv3 -- Summary -- Exam Essentials -- Written Lab -- Review Questions -- ch. 11 Switching and Virtual LANs -- Networking Before Layer 2 Switching -- Switching Services -- Limitations of Layer 2 Switching -- Bridging vs LAN Switching -- Three Switch Functions at Layer 2 -- Spanning Tree Protocol -- Spanning Tree Port States -- STP Convergence -- Rapid Spanning Tree Protocol 802.1w -- Virtual LANs -- VLAN Basics -- Quality of Service -- VLAN Memberships -- Static VLANs -- Dynamic VLANs -- Identifying VLANs -- VLAN Identification Methods -- VLAN Trunking Protocol -- VTP Modes of Operation -- Do We Really Need to Put an IP Address on a Switch? -- Port Security

Port Bonding -- Two Additional Advanced Features of Switches -- Power over Ethernet (802.3af, 802.3at) -- Port Mirroring/Spanning (SPAN/RSPAN) -- Summary -- Exam Essentials -- Written Lab -- Review Questions -- ch. 12 Wireless Networking -- Introduction to Wireless Technology -- The 802.11 Standards -- 2.4GHz (802.11b) -- 2.4GHz (802.11g) -- 5GHz (802.11a) -- 5GHz (802.11h) -- 2.4GHz/5GHz (802.11n) -- 5GHz (802.11ac) -- Comparing 802.11 Standards -- Range Comparisons -- Wireless Network Components -- Wireless Access Points -- Wireless Network Interface Card -- Wireless Antennas -- Installing a Wireless Network -- Ad Hoc Mode: Independent Basic Service Set -- Infrastructure Mode: Basic Service Set -- Wireless Controllers -- Mobile Hot Spots -- Signal Degradation -- Other Network Infrastructure Implementations -- Installing and Configuring WLAN Hardware -- Site Survey -- Wireless Security -- Wireless Threats -- Open Access

Service Set Identifiers, Wired Equivalent Privacy, and Media Access Control Address Authentication -- Remote Authentication Dial-In User Service (802.1x) -- Temporal Key Integrity Protocol -- Wi-Fi Protected Access or WPA2 Pre-Shared Key -- Summary -- Exam Essentials -- Written Lab -- Review Questions -- ch. 13 Authentication and Access Control -- Security Filtering -- Access Control Lists -- Tunneling -- Encryption -- Remote Access -- Managing User Account and Password Security -- Managing User Accounts -- Managing Passwords -- Single Sign-On -- Multifactor Authentication -- User-Authentication Methods -- Public Key Infrastructure (PKI) -- Kerberos -- Authentication, Authorization, and Accounting (AAA) -- Web Services -- Unified Voice Services -- Network Controllers -- Network Access Control (NAC) -- Challenge Handshake Authentication Protocol (CHAP) -- MS-CHAP -- Extensible Authentication Protocol (EAP) -- Hashes -- Network Access Control -- Summary

Exam Essentials -- Written Lab -- Review Questions -- ch. 14 Network Threats and Mitigation -- Recognizing Security Threats -- Denial of Service -- Distributed DoS (DDoS) -- Authentication Issues -- Viruses -- Zero Day Attacks -- Insider Threat/Malicious Employee -- Vulnerabilities -- Unnecessary Running Services -- Open Ports -- Unpatched/Legacy Systems -- Unencrypted Channels -- Clear-Text Credentials -- TEMPEST/RF Emanation -- Malicious Users -- Buffer Overflow -- Wireless Threats -- Attackers and Their Tools -- Misconfiguration Issues -- Social Engineering (Phishing) -- Understanding Mitigation Techniques -- Active Detection -- Passive Detection -- Proactive Defense -- Basic Forensic Concepts -- Policies and Procedures -- Security Policies -- Security Training -- Patches and Upgrades -- Firmware Updates -- Driver Updates -- Upgrading vs Downgrading -- Anti-malware software -- Host-based -- Cloud/Server-based -- Configuration Backups

Updating Antivirus Components -- Fixing an Infected Computer -- Summary -- Exam Essentials -- Written Lab -- Review Questions -- ch. 15 Physical Security and Risk -- Using Hardware and Software Security Devices -- Defining Firewalls -- Network-Based Firewalls -- Host-Based Firewalls -- Firewall Technologies -- Access Control Lists -- Port Security -- Demilitarized Zone -- Protocol Switching -- Dynamic Packet Filtering -- Proxy Services -- Firewalls at the Application Layer vs the Network Layer -- Stateful vs Stateless Network Layer Firewalls -- Application Layer Firewalls -- Scanning Services and Other Firewall Features -- Content Filtering -- Signature Identification -- Context Awareness -- Virtual Wire vs Routed -- Zones -- Intrusion Detection and Prevention Systems -- Network-Based IDS -- Host-Based IDS -- Vulnerability Scanners -- VPN Concentrators -- Understanding Problems Affecting Device Security -- Physical Security

Logical Security Configurations -- Risk-Related Concepts -- Summary -- Exam Essentials -- Written Lab -- Review Questions -- ch. 16 Wide Area Networks -- What's a WAN? -- Defining WAN Terms -- The Public Switched Telephone Network -- WAN Connection Types -- Bandwidth or Speed -- T-Series Connections -- The T1 Connection -- The T3 Connection -- Transmission Media -- Wired Connections -- Wavelength Division Multiplexing -- Passive Optical Network -- Wireless Technologies -- Broadband Services -- DSL Technology and xDSL -- Cable Modem -- Wireless WAN Technologies -- Cellular WAN -- WAN Protocols -- Integrated Services Digital Network -- Frame Relay Technology -- Point-to-Point Protocol -- Asynchronous Transfer Mode -- MPLS -- WAN Troubleshooting -- Loss of Internet Connectivity -- Interface Errors/Monitoring -- Split Horizon -- DNS Issues -- Router Configurations -- Company Security Policy -- Summary -- Exam Essentials -- Written Lab -- Review Questions

Ch. 17 Troubleshooting Tools -- Protocol Analyzers -- Throughput Testers -- Connectivity Software -- Using Traceroute -- Using ipconfig and ifconfig -- Using the ipconfig Utility -- Using the ifconfig Utility -- Using the ping Utility -- Using the Address Resolution Protocol -- The Windows ARP Table -- Using the arp Utility -- Using the nslookup Utility -- Resolving Names with the Hosts Table -- Using the Mtr Command (pathping) -- Using the route Command -- Using the route Command Options -- Some Examples of the route Command -- Using the nbtstat Utility -- The -- a Switch -- The -- A Switch -- The -- c Switch -- The -- n Switch -- The -- r Switch -- The -- R Switch -- The -- S Switch -- The -- s Switch -- Using the netstat Utility -- The -- a Switch -- The -- e Switch -- The -- r Switch -- The -- s Switch -- The -- p Switch -- The -- n Switch -- Using the File Transfer Protocol -- Starting FTP and Logging In to an FTP Server -- Downloading Files -- Uploading Files

Using the Telnet Utility -- How to Enable Telnet in Windows -- Don't Use Telnet, Use Secure Shell -- Summary -- Exam Essentials -- Written Lab -- Review Questions -- ch. 18 Software and Hardware Tools -- Understanding Network Scanners -- Packet Sniffers/Network Monitors -- Intrusion Detection and Prevention Software -- Port Scanners -- Wi-Fi Analyzer -- Baseline -- Network Monitoring and Logging -- Network Monitoring -- SNMP -- Syslog -- SIEM -- Utilization -- Identifying Hardware Tools -- Cable Testers -- Protocol Analyzer -- Certifiers -- Time-Domain Reflectometer -- Optical Time-Domain Reflectometer -- Multimeter -- Toner Probe -- Butt Set -- Punch-Down Tool -- Cable Stripper/Snips -- Voltage Event Recorder (Power) -- Environmental Monitors -- Summary -- Exam Essentials -- Written Lab -- Review Questions -- ch. 19 Network Troubleshooting -- Narrowing Down the Problem -- Did You Check the Super Simple Stuff?

Is Hardware or Software Causing the Problem? -- Is It a Workstation or a Server Problem? -- Which Segments of the Network Are Affected? -- Is It Bad Cabling? -- Troubleshooting Steps -- Step 1 Identify the Problem -- Step 2 Establish a Theory of Probable Cause -- Step 3 Test the Theory to Determine Cause -- Step 4 Establish a Plan of Action to Resolve the Problem and Identify Potential Effects -- Step 5 Implement the Solution or Escalate as Necessary -- Step 6 Verify Full System Functionality, and If Applicable, Implement Preventative Measures -- Step 7 Document Findings, Actions, and Outcomes -- Troubleshooting Tips -- Don't Overlook the Small Stuff -- Prioritize Your Problems -- Check the Software Configuration -- Don't Overlook Physical Conditions -- Don't Overlook Cable Problems -- Check for Viruses -- Summary -- Exam Essentials -- Written Lab -- Review Questions -- ch. 20 Management, Monitoring, and Optimization -- Managing Network Documentation

Using SNMP -- Schematics and Diagrams -- Network Monitoring -- Baselines -- On-Boarding and Off-Boarding of Mobile Devices -- NAC -- Policies, Procedures, and Regulations -- Safety Practices -- Implementing Network Segmentation -- Network Optimization -- Reasons to Optimize Your Network's Performance -- How to Optimize Performance -- Unified Communications -- Traffic Shaping -- Load Balancing -- High Availability -- Caching Engines -- Fault Tolerance -- Archives/Backups -- Common Address Redundancy Protocol -- Virtual Networking -- Locating and Installing Equipment -- Change Management Procedures -- 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 -- Written Lab 7.1 -- Written Lab 7.2 -- Written Lab 7.3 -- 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 -- Practice Example #1A 255.255.0.0 (/16) -- Practice Example #2A 255.255.240.0 (/20) -- Practice Example #3A 255.255.255.192 (/26) -- Subnetting in Your Head: Class A Addresses -- Written Lab 1 -- Written Lab 2 -- Answers to Written Lab 1 -- Answers to Written Lab 2.

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All-star N10-006 prep, fully updated for the new exam The CompTIA Network+ Study Guide is your one-stop comprehensive resource in preparing for exam N10-006 Bestselling author and networking Guru Todd Lammle guides you through 100% of all exam objectives detailing the fundamental concepts you will need to know to prepare for the exam. Coverage includes network technologies, installation and configuration, media and topologies, security, and much more, plus practical examples drawn from real-world situations. You also gain access to practice exams and electronic flashcards that facilitate info.

Exam Essentials -- Written Lab -- Review Questions -- ch. 3 Networking Topologies, Connectors, and Wiring Standards -- Physical Media -- Coaxial Cable -- Twisted-Pair Cable -- Fiber-Optic Cable -- Media Converters -- Serial Cables -- Cable Properties -- Transmission Speeds -- Distance -- Duplex -- Noise Immunity (Security, EMI) -- Frequency -- Wiring Standards -- 568A vs 568B -- Straight-Through Cable -- Crossover Cable -- Rolled/Rollover Cable -- T1 Crossover Cable -- Installing Wiring Distributions -- Summary -- Exam Essentials -- Written Lab -- Review Questions -- ch. 4 The Current Ethernet Specifications -- Network Basics -- Ethernet Basics -- Collision Domain -- Broadcast Domain -- CSMA/CD -- Broadband/Baseband -- Bit Rates vs Baud Rate -- Wavelength -- Sampling -Size -- Half- and Full-Duplex Ethernet -- Ethernet at the Data Link Layer -- Binary to Decimal and Hexadecimal Conversion -- Ethernet Addressing -- Ethernet Frames