Refer to the exhibit.
Which two statements about this configuration are true? (Choose two.)
A.
Spoke devices will be dynamically added to the NHRP mappings.
B.
The next-hop server address must be configured to 172.168.1.1 on all spokes.
C.
The next-hop server address must be configured to 192.168.1.1 on all spokes.
D.
R1 will create a static mapping for each spoke.