Sean Wilkins (@Sean_R_Wilkins) is an accomplished networking consultant and writer for infoDispersion who has been in the IT field for more than 20 years, working with several large enterprises. Sean holds certifications with Cisco (CCNP/CCDP), Microsoft (MCSE), and CompTIA (A+ and Network+). His educational accomplishments include a Masters of Science in Information Technology with a focus in Network Architecture and Design, a Masters of Science in Organizational Management, a Masters Certificate in Network Security, a Bachelors of Science in Computer Networking, and an Associates of Applied Science in Computer Information Systems. Sean spends most of his time writing articles and books for various clients including Cisco Press, Pearson, Tom's IT Pro, and PluralSight, as well as being an active video training author for PluralSight.

• CCNA 200-301 Official Cert Guide, Volume 1, Second EditionIntroductionYour Study PlanPart I Introduction to Networking Chapter 1 Introduction to TCP/IP NetworkingChapter 2 Fundamentals of Ethernet LANsChapter 3 Fundamentals of WANs and IP RoutingPart I ReviewPart II Implementing Ethernet LANs Chapter 4 Using the Command-Line InterfaceChapter 5 Analyzing Ethernet LAN SwitchingChapter 6 Configuring Basic Switch ManagementChapter 7 Configuring and Verifying Switch InterfacesPart II ReviewPart III Implementing VLANs and STP Chapter 8 Implementing Ethernet Virtual LANsChapter 9 Spanning Tree Protocol ConceptsChapter 10 RSTP and EtherChannel ConfigurationPart III ReviewPart IV IPv4 Addressing Chapter 11 Perspectives on IPv4 SubnettingChapter 12 Analyzing Classful IPv4 NetworksChapter 13 Analyzing Subnet MasksChapter 14 Analyzing Existing SubnetsChapter 15 Subnet DesignPart IV ReviewPart V IPv4 Routing Chapter 16 Operating Cisco RoutersChapter 17 Configuring IPv4 Addresses and Static RoutesChapter 18 IP Routing in the LANChapter 19 IP Addressing on HostsChapter 20 Troubleshooting IPv4 RoutingPart V ReviewPart VI OSPF Chapter 21 Understanding OSPF ConceptsChapter 22 Implementing Basic OSPF FeaturesChapter 23 Implementing Optional OSPF FeaturesChapter 24 OSPF Neighbors and Route SelectionPart VI ReviewPart VII IP Version 6 Chapter 25 Fundamentals of IP Version 6Chapter 26 IPv6 Addressing and SubnettingChapter 27 Implementing IPv6 Addressing on RoutersChapter 28 Implementing IPv6 Addressing on HostsChapter 29 Implementing IPv6 RoutingPart VII ReviewPart VIII Exam Updates Chapter 30 CCNA 200-301 Official Cert Guide, Volume 1, Second Edition Exam UpdatesPart IX Appendixes Appendix A Numeric Reference TablesAppendix B Exam Topics Cross-ReferenceAppendix C Answers to the “Do I Know This Already?” QuizzesGlossaryOnline AppendixesAppendix D Practice for Chapter 12: Analyzing Classful IPv4 NetworksAppendix E Practice for Chapter 13: Analyzing Subnet MasksAppendix F Practice for Chapter 14: Analyzing Existing SubnetsAppendix G Practice for Chapter 15: Subnet DesignAppendix H Practice for Chapter 25: Fundamentals of IP Version 6Appendix I Practice for Chapter 27: Implementing IPv6 Addressing on RoutersAppendix J Study PlannerAppendix K Topics from Previous EditionsAppendix L LAN TroubleshootingAppendix M Variable-Length Subnet Masks CCNA 200-301 Official Cert Guide, Volume 2, Second EditionIntroductionPart I Wireless LANs Chapter 1 Fundamentals of Wireless NetworksChapter 2 Analyzing Cisco Wireless ArchitecturesChapter 3 Securing Wireless NetworksChapter 4 Building a Wireless LANPart I ReviewPart II IP Access Control Lists Chapter 5 Introduction to TCP/IP Transport and ApplicationsChapter 6 Basic IPv4 Access Control ListsChapter 7 Named and Extended IP ACLsChapter 8 Applied IP ACLsPart II ReviewPart III Security Services Chapter 9 Security ArchitecturesChapter 10 Securing Network DevicesChapter 11 Implementing Switch Port SecurityChapter 12 DHCP Snooping and ARP InspectionPart III ReviewPart IV IP Services Chapter 13 Device Management ProtocolsChapter 14 Network Address TranslationChapter 15 Quality of Service (QoS)Chapter 16 First Hop Redundancy ProtocolsChapter 17 SNMP, FTP, and TFTPPart IV ReviewPart V Network Architecture Chapter 18 LAN ArchitectureChapter 19 WAN ArchitectureChapter 20 Cloud ArchitecturePart V ReviewPart VI Network Automation Chapter 21 Introduction to Controller-Based NetworkingChapter 22 Cisco Software-Defined Access (Cisco SD-Access)Chapter 23 Understanding REST and JSONChapter 24 Understanding Ansible and TerraformPart VI ReviewPart VII Exam Updates and Final Review Chapter 25 CCNA 200-301 Official Cert Guide, Volume 2, Second Edition, Exam UpdatesChapter 26 Final ReviewPart VIII Print Appendixes Appendix A Numeric Reference TablesAppendix B Exam Topics Cross-ReferenceAppendix C Answers to the “Do I Know This Already?” QuizzesGlossaryOnline AppendixesAppendix D Topics from Previous EditionsAppendix E Practice for Chapter 6: Basic IPv4 Access Control ListsAppendix F Study PlannerGlossary

Sean Wilkins (@Sean_R_Wilkins) is an accomplished networking consultant and writer for infoDispersion who has been in the IT field for more than 20 years, working with several large enterprises. Sean holds certifications with Cisco (CCNP/CCDP), Microsoft (MCSE), and CompTIA (A+ and Network+). His educational accomplishments include a Masters of Science in Information Technology with a focus in Network Architecture and Design, a Masters of Science in Organizational Management, a Masters Certificate in Network Security, a Bachelors of Science in Computer Networking, and an Associates of Applied Science in Computer Information Systems. Sean spends most of his time writing articles and books for various clients including Cisco Press, Pearson, Tom's IT Pro, and PluralSight, as well as being an active video training author for PluralSight.

• CCNA 200-301 Official Cert Guide, Volume 1, Second EditionIntroductionYour Study PlanPart I Introduction to Networking Chapter 1 Introduction to TCP/IP NetworkingChapter 2 Fundamentals of Ethernet LANsChapter 3 Fundamentals of WANs and IP RoutingPart I ReviewPart II Implementing Ethernet LANs Chapter 4 Using the Command-Line InterfaceChapter 5 Analyzing Ethernet LAN SwitchingChapter 6 Configuring Basic Switch ManagementChapter 7 Configuring and Verifying Switch InterfacesPart II ReviewPart III Implementing VLANs and STP Chapter 8 Implementing Ethernet Virtual LANsChapter 9 Spanning Tree Protocol ConceptsChapter 10 RSTP and EtherChannel ConfigurationPart III ReviewPart IV IPv4 Addressing Chapter 11 Perspectives on IPv4 SubnettingChapter 12 Analyzing Classful IPv4 NetworksChapter 13 Analyzing Subnet MasksChapter 14 Analyzing Existing SubnetsChapter 15 Subnet DesignPart IV ReviewPart V IPv4 Routing Chapter 16 Operating Cisco RoutersChapter 17 Configuring IPv4 Addresses and Static RoutesChapter 18 IP Routing in the LANChapter 19 IP Addressing on HostsChapter 20 Troubleshooting IPv4 RoutingPart V ReviewPart VI OSPF Chapter 21 Understanding OSPF ConceptsChapter 22 Implementing Basic OSPF FeaturesChapter 23 Implementing Optional OSPF FeaturesChapter 24 OSPF Neighbors and Route SelectionPart VI ReviewPart VII IP Version 6 Chapter 25 Fundamentals of IP Version 6Chapter 26 IPv6 Addressing and SubnettingChapter 27 Implementing IPv6 Addressing on RoutersChapter 28 Implementing IPv6 Addressing on HostsChapter 29 Implementing IPv6 RoutingPart VII ReviewPart VIII Exam Updates Chapter 30 CCNA 200-301 Official Cert Guide, Volume 1, Second Edition Exam UpdatesPart IX Appendixes Appendix A Numeric Reference TablesAppendix B Exam Topics Cross-ReferenceAppendix C Answers to the “Do I Know This Already?” QuizzesGlossaryOnline AppendixesAppendix D Practice for Chapter 12: Analyzing Classful IPv4 NetworksAppendix E Practice for Chapter 13: Analyzing Subnet MasksAppendix F Practice for Chapter 14: Analyzing Existing SubnetsAppendix G Practice for Chapter 15: Subnet DesignAppendix H Practice for Chapter 25: Fundamentals of IP Version 6Appendix I Practice for Chapter 27: Implementing IPv6 Addressing on RoutersAppendix J Study PlannerAppendix K Topics from Previous EditionsAppendix L LAN TroubleshootingAppendix M Variable-Length Subnet Masks CCNA 200-301 Official Cert Guide, Volume 2, Second EditionIntroductionPart I Wireless LANs Chapter 1 Fundamentals of Wireless NetworksChapter 2 Analyzing Cisco Wireless ArchitecturesChapter 3 Securing Wireless NetworksChapter 4 Building a Wireless LANPart I ReviewPart II IP Access Control Lists Chapter 5 Introduction to TCP/IP Transport and ApplicationsChapter 6 Basic IPv4 Access Control ListsChapter 7 Named and Extended IP ACLsChapter 8 Applied IP ACLsPart II ReviewPart III Security Services Chapter 9 Security ArchitecturesChapter 10 Securing Network DevicesChapter 11 Implementing Switch Port SecurityChapter 12 DHCP Snooping and ARP InspectionPart III ReviewPart IV IP Services Chapter 13 Device Management ProtocolsChapter 14 Network Address TranslationChapter 15 Quality of Service (QoS)Chapter 16 First Hop Redundancy ProtocolsChapter 17 SNMP, FTP, and TFTPPart IV ReviewPart V Network Architecture Chapter 18 LAN ArchitectureChapter 19 WAN ArchitectureChapter 20 Cloud ArchitecturePart V ReviewPart VI Network Automation Chapter 21 Introduction to Controller-Based NetworkingChapter 22 Cisco Software-Defined Access (Cisco SD-Access)Chapter 23 Understanding REST and JSONChapter 24 Understanding Ansible and TerraformPart VI ReviewPart VII Exam Updates and Final Review Chapter 25 CCNA 200-301 Official Cert Guide, Volume 2, Second Edition, Exam UpdatesChapter 26 Final ReviewPart VIII Print Appendixes Appendix A Numeric Reference TablesAppendix B Exam Topics Cross-ReferenceAppendix C Answers to the “Do I Know This Already?” QuizzesGlossaryOnline AppendixesAppendix D Topics from Previous EditionsAppendix E Practice for Chapter 6: Basic IPv4 Access Control ListsAppendix F Study PlannerGlossary

Sean Wilkins (@Sean_R_Wilkins) is an accomplished networking consultant and writer for infoDispersion who has been in the IT field for more than 20 years, working with several large enterprises. Sean holds certifications with Cisco (CCNP/CCDP), Microsoft (MCSE), and CompTIA (A+ and Network+). His educational accomplishments include a Masters of Science in Information Technology with a focus in Network Architecture and Design, a Masters of Science in Organizational Management, a Masters Certificate in Network Security, a Bachelors of Science in Computer Networking, and an Associates of Applied Science in Computer Information Systems. Sean spends most of his time writing articles and books for various clients including Cisco Press, Pearson, Tom's IT Pro, and PluralSight, as well as being an active video training author for PluralSight.

• CCNA 200-301 Official Cert Guide, Volume 1, Second EditionIntroductionYour Study PlanPart I Introduction to Networking Chapter 1 Introduction to TCP/IP NetworkingChapter 2 Fundamentals of Ethernet LANsChapter 3 Fundamentals of WANs and IP RoutingPart I ReviewPart II Implementing Ethernet LANs Chapter 4 Using the Command-Line InterfaceChapter 5 Analyzing Ethernet LAN SwitchingChapter 6 Configuring Basic Switch ManagementChapter 7 Configuring and Verifying Switch InterfacesPart II ReviewPart III Implementing VLANs and STP Chapter 8 Implementing Ethernet Virtual LANsChapter 9 Spanning Tree Protocol ConceptsChapter 10 RSTP and EtherChannel ConfigurationPart III ReviewPart IV IPv4 Addressing Chapter 11 Perspectives on IPv4 SubnettingChapter 12 Analyzing Classful IPv4 NetworksChapter 13 Analyzing Subnet MasksChapter 14 Analyzing Existing SubnetsChapter 15 Subnet DesignPart IV ReviewPart V IPv4 Routing Chapter 16 Operating Cisco RoutersChapter 17 Configuring IPv4 Addresses and Static RoutesChapter 18 IP Routing in the LANChapter 19 IP Addressing on HostsChapter 20 Troubleshooting IPv4 RoutingPart V ReviewPart VI OSPF Chapter 21 Understanding OSPF ConceptsChapter 22 Implementing Basic OSPF FeaturesChapter 23 Implementing Optional OSPF FeaturesChapter 24 OSPF Neighbors and Route SelectionPart VI ReviewPart VII IP Version 6 Chapter 25 Fundamentals of IP Version 6Chapter 26 IPv6 Addressing and SubnettingChapter 27 Implementing IPv6 Addressing on RoutersChapter 28 Implementing IPv6 Addressing on HostsChapter 29 Implementing IPv6 RoutingPart VII ReviewPart VIII Exam Updates Chapter 30 CCNA 200-301 Official Cert Guide, Volume 1, Second Edition Exam UpdatesPart IX Appendixes Appendix A Numeric Reference TablesAppendix B Exam Topics Cross-ReferenceAppendix C Answers to the “Do I Know This Already?” QuizzesGlossaryOnline AppendixesAppendix D Practice for Chapter 12: Analyzing Classful IPv4 NetworksAppendix E Practice for Chapter 13: Analyzing Subnet MasksAppendix F Practice for Chapter 14: Analyzing Existing SubnetsAppendix G Practice for Chapter 15: Subnet DesignAppendix H Practice for Chapter 25: Fundamentals of IP Version 6Appendix I Practice for Chapter 27: Implementing IPv6 Addressing on RoutersAppendix J Study PlannerAppendix K Topics from Previous EditionsAppendix L LAN TroubleshootingAppendix M Variable-Length Subnet Masks CCNA 200-301 Official Cert Guide, Volume 2, Second EditionIntroductionPart I Wireless LANs Chapter 1 Fundamentals of Wireless NetworksChapter 2 Analyzing Cisco Wireless ArchitecturesChapter 3 Securing Wireless NetworksChapter 4 Building a Wireless LANPart I ReviewPart II IP Access Control Lists Chapter 5 Introduction to TCP/IP Transport and ApplicationsChapter 6 Basic IPv4 Access Control ListsChapter 7 Named and Extended IP ACLsChapter 8 Applied IP ACLsPart II ReviewPart III Security Services Chapter 9 Security ArchitecturesChapter 10 Securing Network DevicesChapter 11 Implementing Switch Port SecurityChapter 12 DHCP Snooping and ARP InspectionPart III ReviewPart IV IP Services Chapter 13 Device Management ProtocolsChapter 14 Network Address TranslationChapter 15 Quality of Service (QoS)Chapter 16 First Hop Redundancy ProtocolsChapter 17 SNMP, FTP, and TFTPPart IV ReviewPart V Network Architecture Chapter 18 LAN ArchitectureChapter 19 WAN ArchitectureChapter 20 Cloud ArchitecturePart V ReviewPart VI Network Automation Chapter 21 Introduction to Controller-Based NetworkingChapter 22 Cisco Software-Defined Access (Cisco SD-Access)Chapter 23 Understanding REST and JSONChapter 24 Understanding Ansible and TerraformPart VI ReviewPart VII Exam Updates and Final Review Chapter 25 CCNA 200-301 Official Cert Guide, Volume 2, Second Edition, Exam UpdatesChapter 26 Final ReviewPart VIII Print Appendixes Appendix A Numeric Reference TablesAppendix B Exam Topics Cross-ReferenceAppendix C Answers to the “Do I Know This Already?” QuizzesGlossaryOnline AppendixesAppendix D Topics from Previous EditionsAppendix E Practice for Chapter 6: Basic IPv4 Access Control ListsAppendix F Study PlannerGlossary