Refer to the exhibit. A network engineer is deploying the this RTBH filtering configuration template on 100 Cisco IOS XR router. What is missing from this configuration?
A. The BGP wee-known community no-advertised in the set community command
B. A static route with tag 66 on the trigger router
C. A route policy that matches community 6544422
D. A tag 66 on the static route that is applied to all 100 routers