For VoIP control traffic, the layer 2 CoS value should be set to networkmanagers 13 years ago For VoIP control traffic, the layer 2 CoS value should be set to _____. A. 0 B. 2 C.3 D. 5 Explanation: COS for Control traffic should be set to 3, COS for Voice bearer traffic should be set to 5. ← Previous question Next question →