Which two characteristics are common between traffic policing and traffic shaping？（）

• A、 The rate of traffic is measured and compared to a configured policy.
• B、 Classification is used to differentiate traffic.
• C、 Traffic is marked and sent out according to priority.
• D、 Both can be applied to inbound and outbound traffic.
• E、 Both buffer traffic to ensure a predetermined traffic rate.
• F、 Both drop traffic that is above a predetermined traffic rate.