Firewall implementation

Based on your reading in chapter 9 of the recommended textbook, on page 189, about firewalls. Please perform the following task:
1. Use Visio or any drawing tool convenient for you to create a drawing showing how you will implement defense-in-depth by using a firewall or a combination strategy to show how you will protect your organizational IT infrastructure.
2. After you have created the drawing, explain how it will help to protect the organizational IT infrastructure.