Which two statements are true about the various methods of implementing QoS？（）

• A、Cisco AutoQoS can be used repeatedly to apply a single QoS policy to multiple interfaces.
• B、Cisco AutoQoS includes an optional web-based GUI for automating the configuration of QoS services.
• C、Cisco AutoQoS provides capabilities to automate VoIP deployments.
• D、The auto qos global configuration command is used to configure Cisco AutoQoS.
• E、The Modular QoS CLI （MQC） is the best way to fine tune QoS configurations.
• F、The SDM QoS wizard is the fastest way to implement QoS.