Which of the following is the BEST mechanism to secure the voice component?

FOR THIS QUESTION, REFER TO THE FOLLOWING INFORMATION

Converged networks supporting both data and Voice over Internet Protocol (VoIP), by their nature, provide a single channel to attack both the data and the voice components.

Which of the following is the BEST mechanism to secure the voice component?
A . Filter calls on the perimeter firewall
B . Use an analog voice system
C . Authenticate both voice and data users
D . Put voice on its own Virtual Local Area Network (VLAN)

View Answer

Answer: D