Which three statements are true about a Cluster-ID? (Choose three)
A. A Cluster-ID configuration is only required on the route reflectors.
B. The Cluster-ID is the router ID of the originator of a route within the local AS.
C. Cluster-List is used to track Cluster IDs similar to the way that the AS-PATH is used to track AS numbers.
D. When a cluster contains multiple route reflectors, all the route reflectors in the cluster need to be configured with the same Cluster-ID.
