Discussion
Answer the following questions in your main posting:
1. What are the levels of physical security and how do they differ in the amount of security needed?
2. How does planning ensure the best results in designing or upgrading a maximum-security system?
3. Where should physical barriers be located in and/or around a facility?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.