Part I: Networking Concepts
Lesson 1: The OSI Model and Encapsulation

• The Purpose of Reference Models
• The OSI Model
• The TCP/IP Stack

Lesson 2: Networking Appliances, Applications, and Functions

• Physical and Virtual Appliances
• Applications and Functions

Lesson 3: Cloud Concepts

• Network Functions Virtualization (NFV)
• Cloud Networking Components
• Deployment Models
• Service Models
• Key Cloud Concepts

Lesson 4: Networking Ports Protocols, Services, and Traffic Types

• Ports and Protocols
• Internet Protocol (IP) Types
• Traffic Types

Lesson 5: Transmission Media and Transceivers

• Wireless
• Copper and Fiber Media and Connectors
• Multiplexing in Fiber-Optic Networks

Lesson 6: Network Topologies, Architectures, and Types

• Defining a Network
• Network Types and Characteristics
• Networks Defined Based on Resource Location
• Networks Defined by Topology
• The Three-Tier Hierarchical Model

Lesson 7: IPv4 Addressing

• Binary Numbering
• IPv4 Addressing
• Assigning IPv4 Addresses
• Subnetting

Lesson 8: Evolving Use Cases

• SDN and SD-WAN
• Virtual Extensible Local Area Network (VXLAN)
• Zero Trust Architecture (ZTA)
• SASE and SSE
• Infrastructure as Code (IaC)
• IP Version 6

Part II: Network Implementation
Lesson 9: Routing Technologies

• Routing
• Sources of Routing Information
• Routing Protocol Characteristics
• Routing Protocol Examples
• Address Translation
• First Hop Redundancy Protocol (FHRP)

Lesson 10: Ethernet Switching Technologies

• Principles of Ethernet
• Ethernet Switch Features

Lesson 11: Configure Wireless Devices and Technologies

• Introducing Wireless LANs
• Deploying Wireless LANs
• Securing Wireless LANs

Lesson 12: Physical Installations

• Important Installation Implications
• Power
• Environmental Factors

Part III: Network Operations
Lesson 13: Organizational Processes and Procedures

• Documentation
• Processes and Procedures

Lesson 14: Network Monitoring

• Network Monitoring Methods
• Monitoring Solutions

Lesson 15: Disaster Recovery

• High Availability

Lesson 16: IPv4 and IPv6 Network Services

• Dynamic Addressing
• Name Resolution
• Time Protocols

Lesson 17: Network Access and Management Methods

• Virtual Private Networks (VPNs)
• Other Network Access Technologies
• Authentication and Authorization Considerations
• In-Band vs. Out-of-Band Management

Part IV: Network Security
Lesson 18: Network Security Concepts

• Core Security Concepts
• Authentication Methods
• Rick Management and SIEM
• Physical Security
• Audits and Regulatory Compliance

Lesson 19: Types of Network Attacks

• Technology-Based Attacks
• Social Engineering Attacks
• Other Miscellaneous Attacks

Lesson 20: Network Security Features

• Device Hardening
• Network Access Control (NAC)
• Other Network Security Features

Part V: Network Troubleshooting
Lesson 21: A Network Troubleshooting Methodology

• Troubleshooting Basics

Lesson 22: Troubleshoot Common Cabling Problems

• Specifications and Limitations
• Common Cable Issues
• Common Interface Issues
• Common Hardware Issues
• Common Tools

Lesson 23: Troubleshoot Common Issues with Network Services

• Considerations for General Network Troubleshooting
• Common Network Service Issues

Lesson 24: Troubleshoot Common Performance Issues

• Network Performance Considerations
• Wireless Performance Considerations
• Other Wireless Considerations
• Common Wireless Issues
• Wireless Network Troubleshooting Solution

Lesson 25: Network Troubleshooting Tools

• Software Tools
• Command-Line Tools
• Basic Networking Device Commands
• Hardware Tools