Enterprise Networking, Security, and Automation Labs and Study Guide (CCNAv7)

Cisco Networking Academy is an innovative Cisco education initiative that delivers information and communication technology skills to improve career and economic opportunities around the world. The Academy provides online courses, interactive tools, and lab activities to prepare individuals for information technology and networking careers in virtually every industry.Author:Allan Johnson entered the academic world in 1999, after 10 years as a business owner/operator, to dedicate his efforts to his passion for teaching. He holds both an M.B.A. and an M.Ed. in training and development. He taught CCNA courses at the high school level for 7 years and has taught both CCNA and CCNP courses at Del Mar College in Corpus Christi, Texas. In 2003, Allan began to commit much of his time and energy to the CCNA Instructional Support Team, providing services to Networking Academy instructors worldwide and creating training materials. He now works full time for Cisco Networking Academy as Curriculum Lead.Technical Reviewer:Dave Holzinger has been a curriculum developer, project manager, author, and technical editor for Cisco Networking Academy in Phoenix since 2001. Dave works on the team that develops Cisco Networking Academy’s online curricula, including CCNA, CCNP, and IT Essentials. He has been working with computer hardware and software since 1981. Dave has certifications from Cisco, BICSI, and CompTIA.

• Introduction xxviChapter 1 Single-Area OSPFv2 Concepts 1Study Guide 2OSPF Features and Characteristics 2OSPF Packets 5OSPF Operation 8Labs and Activities 13Chapter 2 Single-Area OSPFv2 Configuration 15Study Guide 16OSPF Router ID 16Point-to-Point OSPF Networks 19Multiaccess OSPF Networks 21Modify Single-Area OSPFv2 24Default Route Propagation 28Verify Single-Area OSPFv2 29Labs and Activities 33Command Reference 332.2.13 Packet Tracer—Point-to-Point Single-Area OSPFv2 Configuration 342.3.11 Packet Tracer—Determine the DR and BDR 372.4.11 Packet Tracer—Modify Single-Area OSPFv2 412.5.3 Packet Tracer—Propagate a Default Route in OSPFv2 442.6.6 Packet Tracer—Verify Single-Area OSPFv2 462.7.1 Packet Tracer—Single-Area OSPFv2 Configuration 502.7.2 Lab—Configure Single-Area OSPFv2 52Chapter 3 Network Security Concepts 57Study Guide 58Current State of Cybersecurity 58Threat Actors 60Threat Actor Tools 62Malware 65Common Network Attacks 68IP Vulnerabilities and Threats 71TCP and UDP Vulnerabilities 75IP Services 78Network Security Best Practices 81Cryptography 85Labs and Activities 913.5.7 Lab—Social Engineering 913.8.8 Lab—Explore DNS Traffic 93Chapter 4 ACL Concepts 101Study Guide 102Purpose of ACLs 102Wildcard Masks in ACLs 103Guidelines for ACL Creation 106Types of IPv4 ACLs 107Labs and Activities 1104.1.4 Packet Tracer—Access Control List Demonstration 110Chapter 5 ACLs for IPv4 Configuration 113Study Guide 114Configure Standard IPv4 ACLs 114Modify IPv4 ACLs 117Secure VTY Ports with a Standard IPv4 ACL 118Configure Extended IPv4 ACLs 118Labs and Activities 124Command Reference 1245.1.8 Packet Tracer—Configure Numbered Standard IPv4 ACLs 1255.1.9 Packet Tracer—Configure Named Standard IPv4 ACLs 1285.2.7 Packet Tracer—Configure and Modify Standard IPv4 ACLs 1305.4.12 Packet Tracer—Configure Extended ACLs—Scenario 1 1375.4.13 Packet Tracer—Configure Extended IPv4 ACLs—Scenario 2 1425.5.1 Packet Tracer—IPv4 ACL Implementation Challenge 1465.5.2 Lab—Configure and Verify Extended IPv4 ACLs 149Chapter 6 NAT for IPv4 155Study Guide 156NAT Characteristics 156Types of NAT 157NAT Advantages and Disadvantages 158Static NAT 159Dynamic NAT 161PAT 162NAT64 165Labs and Activities 166Command Reference 1666.2.7 Packet Tracer—Investigate NAT Operations 1666.4.5 Packet Tracer—Configure Static NAT 1706.5.6 Packet Tracer—Configure Dynamic NAT 1726.6.7 Packet Tracer—Configure PAT 1736.8.1 Packet Tracer—Configure NAT for IPv4 1756.8.2 Lab—Configure NAT for IPv4 176Chapter 7 WAN Concepts 185Study Guide 186Purpose of WANs 186WAN Operations 188Traditional WAN Connectivity 191Modern WAN Connectivity 193Internet-Based Connectivity 194Labs and Activities 1967.5.11 Lab—Research Broadband Internet Access Technologies 1967.6.1 Packet Tracer—WAN Concepts 199Chapter 8 VPN and IPsec Concepts 203Study Guide 204VPN Technology 204Types of VPNs 207IPsec 211Labs and Activities 219Chapter 9 QoS Concepts 221Study Guide 222Network Transmission Quality 222Traffic Characteristics 224Queuing Algorithms 225QoS Models 229QoS Implementation Techniques 231Labs and Activities 236Chapter 10 Network Management 237Study Guide 238Device Discovery with CDP and LLDP 238NTP 241SNMP 243Syslog 245Router and Switch File Maintenance 247IOS Image Management 251Labs and Activities 254Command Reference 25410.1.5 Packet Tracer—Use CDP to Map a Network 25510.2.6 Packet Tracer—Use LLDP to Map a Network 25910.3.4 Packet Tracer—Configure and Verify NTP 26410.4.10 Lab—Research Network Monitoring Software 26610.6.10 Packet Tracer—Back Up Configuration Files 26910.6.11 Lab—Use Tera Term to Manage Router Configuration Files 27110.6.12 Lab—Use TFTP, Flash, and USB to Manage Configuration Files 27710.6.13 Lab—Research Password Recovery Procedures 29010.7.6 Packet Tracer—Use a TFTP Server to Upgrade a Cisco IOS Image 29310.8.1 Packet Tracer—Configure CDP, LLDP, and NTP 29610.8.2 Lab—Configure CDP, LLDP, and NTP 298Chapter 11 Network Design 305Study Guide 306Hierarchical Networks 306Scalable Networks 309Switch Hardware 310Router Hardware 312Labs and Activities 31511.5.1 Packet Tracer—Compare Layer 2 and Layer 3 Devices 315Chapter 12 Network Troubleshooting 319Study Guide 320Network Documentation 320Troubleshooting Process 325Troubleshooting Tools 330Symptoms and Causes of Network Problems 333Troubleshooting IP Connectivity 335Labs and Activities 33612.5.13 Packet Tracer—Troubleshoot Enterprise Network 33612.6.1 Packet Tracer—Troubleshooting Challenge—Document the Network 34312.6.2 Packet Tracer—Troubleshooting Challenge—Use Documentation to Solve Issues 346Chapter 13 Network Virtualization 349Study Guide 350Cloud Computing 350Virtualization and Virtual Network Infrastructure 351Software-Defined Networking 353Controllers 355Labs and Activities 35813.6.1 Lab—Install Linux in a Virtual Machine and Explore the GUI 358Chapter 14 Network Automation 363Study Guide 364Automation Overview 364Data Formats 365APIs 367REST 369Configuration Management 371IBN and Cisco DNA Center 372Labs and Activities 378TOC, 9780136634690, 8/6/2020