Which three options are prerequisites to configuring Cisco AutoOoS？（）
- ACisco Express Forwarding （CEF） must be globally enabled.
- BPrior to the enabling of the Cisco AutoOoS feature， the bandwidth command must be applied on all interfaces or subinterfaces.
- CAfter the enabling of the Cisco AutoOoS feature， the bandwidth command must be applied on all interfaces or subinterfaces .
- DOoS policies must be enabled on all interfaces that will participate in the AutoOoS configuration.
- EAn IP address must be configured on all low-bandwidth interfaces （768 kb/s or lower） that will participate in the AutoOoS configuration
- FAn IP address must be configured on all interfaces that will participate in the AutoOoS configuratio