Which Three Steps Are Required to Configure QPPB on Cisco

Which three steps are required to configure QPPB on Cisco IOS XR routers? (Choose three.)

A) Apply a QPPB route policy to the BGP process using the table-policy command
B) Apply a QPPB route policy to the BGP neighbor using the route-policy command
C) Define a QPPB route policy to match the customer routes, then set the IP precedence or qos-group
D) Define a QPPB route policy to match the customer IP precedence or qos-group markings, then set the BGP community
E) Enable QPPB on an interface using the ipv4 bgp policy propagation input ip-precedence|qos-group destination|source command
F) Enable QPPB on an interface using the ipv4 bgp policy propagation output ip-precedence|qos-group destination|source command