Which three options are prerequisites to configuring Cisco AutoOoS？（）

• A、Cisco Express Forwarding （CEF） must be globally enabled.
• B、Prior to the enabling of the Cisco AutoOoS feature， the bandwidth command must be applied on all interfaces or subinterfaces.
• C、After the enabling of the Cisco AutoOoS feature， the bandwidth command must be applied on all interfaces or subinterfaces .
• D、OoS policies must be enabled on all interfaces that will participate in the AutoOoS configuration.
• E、An IP address must be configured on all low-bandwidth interfaces （768 kb/s or lower） that will participate in the AutoOoS configuration
• F、An IP address must be configured on all interfaces that will participate in the AutoOoS configuration