Quality of Service classification at Layer 3 is also referred to as: networkmanagers 13 years ago Quality of Service classification at Layer 3 is also referred to as: A. CoS B. MOS C. BOSS D.ToS E. QoS Explanation: ToSis used to refer to layer 3 QoS, while CoS is used to describe layer 2 QoS. ← Previous question Next question →