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by Cisco Networking Academy
Enterprise Networking, Security, and Automation Companion Guide (CCNAv7)
Cover Page
About This eBook
Title Page
Copyright Page
About the Contributing Authors
Contents at a Glance
Reader Services
Contents
Command Syntax Conventions
Introduction
Who Should Read This Book
Book Features
Figure Credits
Chapter 1. Single-Area OSPFv2 Concepts
Objectives
Key Terms
Introduction (1.0)
OSPF Features and Characteristics (1.1)
OSPF Packets (1.2)
OSPF Operation (1.3)
Summary (1.4)
Practice
Check Your Understanding
Chapter 2. Single-Area OSPFv2 Configuration
Objectives
Key Terms
Introduction (2.0)
OSPF Router ID (2.1)
Point-to-Point OSPF Networks (2.2)
Multiaccess OSPF Networks (2.3)
Modify Single-Area OSPFv2 (2.4)
Default Route Propagation (2.5)
Verify Single-Area OSPFv2 (2.6)
Summary (2.7)
Practice
Check Your Understanding
Chapter 3. Network Security Concepts
Objectives
Key Terms
Introduction
Current State of Cybersecurity (3.1)
Threat Actors (3.2)
Threat Actor Tools (3.3)
Malware (3.4)
Common Network Attacks (3.5)
IP Vulnerabilities and Threats (3.6)
TCP and UDP Vulnerabilities (3.7)
IP Services
Network Security Best Practices (3.9)
Cryptography (3.10)
Summary (3.11)
Practice
Check Your Understanding
Chapter 4. ACL Concepts
Objectives
Key Terms
Introduction (4.0)
Purpose of ACLs (4.1)
Wildcard Masks in ACLs (4.2)
Guidelines for ACL Creation (4.3)
Types of IPv4 ACLs (4.4)
Summary (4.5)
Practice
Check Your Understanding Questions
Chapter 5. ACLs for IPv4 Configuration
Objectives
Key Term
Introduction (5.0)
Configure Standard IPv4 ACLs (5.1)
Modify IPv4 ACLs (5.2)
Secure VTY Ports with a Standard IPv4 ACL (5.3)
Configure Extended IPv4 ACLs (5.4)
Summary (5.5)
Practice
Check Your Understanding Questions
Chapter 6. NAT for IPv4
Objectives
Key Terms
Introduction (6.0)
NAT Characteristics (6.1)
Types of NAT (6.2)
NAT Advantages and Disadvantages (6.3)
Static NAT (6.4)
Dynamic NAT (6.5)
PAT (6.6)
NAT64 (6.7)
Summary (6.8)
Practice
Check Your Understanding Questions
Chapter 7. WAN Concepts
Objectives
Key Terms
Introduction (7.0)
Purpose of WANs (7.1)
WAN Operations (7.2)
Traditional WAN Connectivity (7.3)
Modern WAN Connectivity (7.4)
Internet-Based Connectivity (7.5)
Summary (7.6)
Practice
Check Your Understanding Questions
Chapter 8. VPN and IPsec Concepts
Objectives
Key Terms
Introduction (8.0)
VPN Technology (8.1)
Types of VPNs (8.2)
IPsec (8.3)
Summary (8.4)
Practice
Check Your Understanding Questions
Chapter 9. QoS Concepts
Objectives
Key Terms
Introduction (9.0)
Network Transmission Quality (9.1)
Traffic Characteristics (9.2)
Queuing Algorithms (9.3)
QoS Models (9.4)
QoS Implementation Techniques (9.5)
Summary (9.6)
Practice
Check Your Understanding Questions
Chapter 10. Network Management
Objectives
Key Terms
Introduction (10.0)
Device Discovery with CDP (10.1)
Device Discovery with LLDP (10.2)
NTP (10.3)
SNMP
Syslog (10.5)
Router and Switch File Maintenance (10.6)
IOS Image Management
Summary (10.8)
Practice
Check Your Understanding Questions
Chapter 11. Network Design
Objectives
Key Terms
Introduction (11.0)
Hierarchical Networks (11.1)
Scalable Networks (11.2)
Switch Hardware (11.3)
Router Hardware (11.4)
Summary (11.5)
Practice
Check Your Understanding Questions
Chapter 12. Network Troubleshooting
Objectives
Key Terms
Introduction (12.0)
Network Documentation (12.1)
Troubleshooting Process (12.2)
Troubleshooting Tools (12.3)
Symptoms and Causes of Network Problems (12.4)
Troubleshooting IP Connectivity (12.5)
Summary (12.6)
Practice
Check Your Understanding Questions
Chapter 13. Network Virtualization
Objectives
Key Terms
Introduction (13.0)
Cloud Computing (13.1)
Virtualization (13.2)
Virtual Network Infrastructure (13.3)
Software-Defined Networking (13.4)
Controllers (13.5)
Summary (13.6)
Practice
Check Your Understanding Questions
Chapter 14. Network Automation
Objectives
Key Terms
Introduction (14.0)
Automation Overview (14.1)
Data Formats (14.2)
APIs (14.3)
REST (14.4)
Configuration Management Tools (14.5)
IBN and Cisco DNA Center (14.6)
Summary (14.7)
Practice
Check Your Understanding Questions
Appendix A. Answers to the “Check Your Understanding” Questions
Glossary
Index
Code Snippets
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