Which of the following is a MAJOR consideration in implementing a Voice over IP (VoIP) network?
A.
Use of a unified messaging.
B.
Use of separation for the voice network.
C.
Use of Network Access Control (NAC) on switches.
D.
Use of Request for Comments (RFC) 1918 addressing.
It is a common and recommended practice to separate voice and data traffic by using VLANs. A separate VLAN known as a voice VLAN is needed to support Voice over IP (VoIP).
VoIP traffic requires:
-. Assured bandwidth to ensure voice quality
-. Transmission priority over other types of network traffic
-. Capability to be routed around congested areas on the network
-. Delay of less than 150 ms across the network
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