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CompTIA Network+ Study Guide, 6th Edition

by Todd Lammle, Jon Buhagiar

May 2024

Intermediate to advanced

1024 pages

27h 27m

English

Sybex

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What Is the Network+ Certification?Why Become Network+ Certified?How to Become Network+ CertifiedTips for Taking the Network+ ExamWho Should Read This Book?What Does This Book Cover?What's Included in the BookInteractive Online Learning Environment and Test BankHow to Use This BookN10-009 Exam ObjectivesObjective MapAssessment TestAnswers to Assessment Test
First Things First: What's a Network?Physical Network TopologiesTopology Selection, Backbones, and SegmentsSummaryExam EssentialsWritten LabReview Questions

Internetworking ModelsIntroduction to EncapsulationModulation TechniquesSummaryExam EssentialsWritten LabReview Questions
Physical MediaCable PropertiesWiring StandardsInstalling Wiring DistributionsSummaryExam EssentialsWritten LabReview Questions
Network BasicsEthernet BasicsEthernet at the Data Link LayerEthernet at the Physical LayerEthernet over Other Standards (IEEE 1905.1-2013)SummaryExam EssentialsWritten LabReview Questions
Common Network Connectivity DevicesOther Specialized DevicesNetworked DevicesPlanning and Implementing a Basic SOHO Network Using Network SegmentationSummaryExam EssentialsWritten LabReview Questions
Introducing TCP/IPData EncapsulationSummaryExam EssentialsWritten LabReview Questions
IP TerminologyThe Hierarchical IP Addressing SchemeIPv4 Address TypesInternet Protocol Version 6 (IPv6)SummaryExam EssentialsWritten LabsReview Questions
Subnetting BasicsTroubleshooting IP AddressingIntroduction to Network Address Translation (NAT)SummaryExam EssentialsWritten LabReview Questions
Routing BasicsThe IP Routing ProcessTesting Your IP Routing UnderstandingStatic and Dynamic RoutingSummaryExam EssentialsWritten LabReview Questions
Routing Protocol BasicsDistance-Vector Routing ProtocolsLink-State Routing ProtocolsHigh Available RoutesAdvanced IPv6 ConceptsIPv6 Routing ProtocolsSummaryExam EssentialsWritten LabReview Questions
Networking Before Layer 2 SwitchingSwitching ServicesSpanning Tree ProtocolVirtual LANsVLAN Trunking ProtocolAdvanced Features of SwitchesSummaryExam EssentialsWritten LabReview Questions
Introduction to Wireless TechnologyCellular TechnologiesThe 802.11 Standards (Regulatory Impacts)Comparing 802.11 StandardsWireless Network ComponentsInstalling a Wireless NetworkSite SurveyWireless SecuritySummaryExam EssentialsWritten LabReview Questions
Site-to-Site VPNClient-to-Site VPNRemote Desktop ConnectionVirtual Network ComputingConnection MethodsJump Box/HostIn-Band vs. Out-of-Band ManagementSummaryExam EssentialsWritten LabReview Questions
Performance Monitoring/Metrics/SensorsSNMP Application Programming Interface IntegrationProtocol Analyzer/Packet CaptureFlow DataLog AggregationSummaryExam EssentialsWritten LabReview Questions
Plans and ProceduresHardening and Security PoliciesCommon DocumentationIP Address ManagementCommon AgreementsSummaryExam EssentialsWritten LabReview Questions
Load BalancingMultipathingNetwork Interface Card (NIC) TeamingRedundant Hardware/ClustersFacilities and Infrastructure SupportRedundancy and High Availability ConceptsBackupsTestingSummaryExam EssentialsWritten LabReview Questions
Cloud ComputingInfrastructure as CodeSoftware-Defined NetworkingVirtual Extensible Local Area NetworkZero Trust ArchitectureSecure Access Secure Edge/Security Service EdgeSummaryExam EssentialsWritten LabReview Questions
Narrowing Down the ProblemTroubleshooting StepsTroubleshooting TipsSummaryExam EssentialsWritten LabReview Questions
Software ToolsUsing tracerouteUsing ipconfig, ifconfig, and ipUsing the ifconfig UtilityUsing the ip UtilityUsing the iptables UtilityUsing the ping UtilityThe Address Resolution ProtocolUsing the arp UtilityUsing the nslookup UtilityResolving Names with the Hosts FileUsing the mtr Command (pathping)Using the Nmap UtilityUsing the route CommandUsing the netstat UtilityUsing tcpdumpBasic Networking Device CommandsHardware ToolsSummaryExam EssentialsWritten LabReview Questions
Common Security TerminologyAAA ModelRegulatory ComplianceSummaryExam EssentialsWritten LabReview Questions
Technology-Based AttacksHuman and EnvironmentalHardening SecurityImplementing Network SegmentationPhysical Security ConceptsSummaryExam EssentialsWritten LabReview Questions
Chapter 1: Introduction to NetworksChapter 2: The Open Systems Interconnection (OSI) Reference ModelChapter 3: Networking Connectors and Wiring StandardsChapter 4: The Current Ethernet SpecificationsChapter 5: Networking DevicesChapter 6: Introduction to the Internet ProtocolChapter 7: IP AddressingChapter 8: IP Subnetting, Troubleshooting IP, and Introduction to NATChapter 9: Introduction to IP RoutingChapter 10: Routing ProtocolsChapter 11: Switching and Virtual LANsChapter 12: Wireless NetworkingChapter 13: Remote Network AccessChapter 14: Using Statistics and Sensors to Ensure Network AvailabilityChapter 15: Organizational Documents and PoliciesChapter 16: High Availability and Disaster RecoveryChapter 17: Data Center Architecture and Cloud ConceptsChapter 18: Network Troubleshooting MethodologyChapter 19: Network Software Tools and CommandsChapter 20: Network Security ConceptsChapter 21: Common Types of Attacks
Chapter 1: Introduction to NetworksChapter 2: The Open Systems Interconnection (OSI) Reference ModelChapter 3: Networking Connectors and Wiring StandardsChapter 4: The Current Ethernet SpecificationsChapter 5: Networking DevicesChapter 6: Introduction to the Internet ProtocolChapter 7: IP AddressingChapter 8: IP Subnetting, Troubleshooting IP, and Introduction to NATChapter 9: Introduction to IP RoutingChapter 10: Routing ProtocolsChapter 11: Switching and Virtual LANsChapter 12: Wireless NetworkingChapter 13: Remote Network AccessChapter 14: Using Statistics and Sensors to Ensure Network AvailabilityChapter 15: Organizational Documents and PoliciesChapter 16: High Availability and Disaster RecoveryChapter 17: Data Center Architecture and Cloud ConceptsChapter 18: Network Troubleshooting MethodologyChapter 19: Network Software Tools and CommandsChapter 20: Network Security ConceptsChapter 21: Common Types of Attacks
Subnetting Practice Examples: Class A AddressesSubnetting in Your Head: Class A AddressesWritten Lab C.1Written Lab C.2Answers to Written Lab C.1Answers to Written Lab C.2

Content preview from CompTIA Network+ Study Guide, 6th Edition

Chapter 8IP Subnetting, Troubleshooting IP, and Introduction to NAT

THE FOLLOWING COMPTIA NETWORK+ EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:

Domain 1.0 Networking Concepts
1.4 Explain common networking ports, protocols, services, and traffic types.
- Traffic types
  - Unicast
  - Multicast
  - Anycast
  - Broadcast
1.7 Given a scenario, use appropriate IPv4 network addressing.
- Public vs. private
  - Automatic Private IP Addressing (APIPA)
  - RFC1918
  - Loopback/localhost
- Subnetting
  - Variable Length Subnet Mask (VLSM)
  - Classless Inter-domain Routing (CIDR)
- IPv4 address classes
  - Class A
  - Class B
  - Class C
  - Class D
  - Class E
Domain 2.0 Network Implementation
2.1 Explain characteristics of routing technologies.
- Address translation
  - NAT
  - Port ...