Select one of the three topics below.

Your paper should be 2 pages in length. You need to provide a minimum of two references and need to use APA format in the reference section.

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?

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