An IS auditor is assessing an organization`s implementation of a virtual network. Which of the following observations should be considered the MOST significant risk? 

Answer options:

A. Communication performance over the virtual network is not monitored.
B. Virtual network devices are replicated and stored in offline mode.
C. Traffic over the virtual network is not visible to security protection devices.
D. Physical and virtual network configurations are not managed by the same team.

C