Solved by verified expert:1. A co-worker with a strong Windows background is having difficulty understanding UNIX file permissions. Describe UNIX file permissions for him. Compare UNIX file permissions to Windows file permissions.2. How are authentication and authorization alike and how are they different. What is the relationship, if any, between the two?3. What is a VPN and what technologies are used to create one? ****** Content: Answered all questions correctly. Writing Skills:Excellent—totally free of errors. Formatting Skills:Excellent—totally free of errors. References Supplied:Supplied every reference that was required to support the assignment.
