You are asked to implement a point-to-multipoint hub-and-spoke topology in a mixed vendor environment. The
hub device is running the Junos OS and the spoke devices are different vendor devices. Regarding this
scenario, which statement is correct?

A.
The NHTB table must be statically defined.

B.
The NHTB table is automatically created during Phase 2.

C.
The NHTB table is automatically created during Phase 1.

D.
The NHTB table must be imported from each spoke.

Explanation:
http://www.juniper.net/techpubs/en_US/junos/topics/example/vpn-hub-spoke-nhtb- exampleconfiguring.html