CompTIA Security+ All-in-One Exam Guide (Exam SY0-301), 3rd Edition, 3rd Edition

Security Concerns for Transmission Media

The primary security concern for a system administrator has to be preventing physical access to a server by an unauthorized individual. Such access will almost always spell disaster, for with direct access and the correct tools, any system can be infiltrated. One of the administrator’s next major concerns should be preventing unfettered access to a network connection. Access to switches and routers is almost as bad as direct access to a server, and access to network connections would rank third in terms of worst-case scenarios. Preventing such access is costly, yet the cost of replacing a server because of theft is also costly.

Physical Security

A balanced approach is the most sensible approach when addressing ...