Lesson 8 Defining Network Infrastructures and Network Security
Objective Domain Matrix
| Skills/Concepts | Objective Domain Description | Objective Domain Number |
| Understanding Networks Outside the LAN | Understand the concepts of the Internet, intranet, and extranet | 1.1 |
| Configuring VPN Connections and Authentication | Understand the concepts of the Internet, intranet, and extranet | 1.1 |
| Understanding Security Devices and Zones | Understand the concepts of the Internet, intranet, and extranet | 1.1 |
| Putting It All Together | (None) | (None) |
Key Terms
- 3-leg perimeter configuration
- application-level gateway (ALG)
- back-to-back configuration
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