Which statement about Remote Triggered Black Hole Filtering feature is true?

Which statement about Remote Triggered Black Hole Filtering feature is true?
A . It works in conjunction with QoS to drop the traffic that has a lower priority
B . The Null0 interface used for filtering able to receive the traffic but never forwards it
C . IN RTBH filtering, the trigger device redistributes dynamic routes of the eBGP peers
D . It helps mitigate DDOS attack based only on destination address
E . It drops malicious traffic at the customer edge router by forwarding it to a Null0 interface
F . In RTBH filtering, the trigger device is always an ISP edge router

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Answer: D