How can the administrator fix the configuration?

Refer to the exhibit.

A network administrator sends the cURL command shown in the exhibit to an HP VAN SDN Controller team in order to add a region to that team. The addresses are as follows: -The team IP address is 192.168.56.10. -The team members IP addresses are 192.168.56.14, 192.168.56.15, and 192.168.56.16.

The administrator receives an error in response.

How can the administrator fix the configuration?
A . by configuring the region on the northbound team interface
B . by configuring the region before combining the controllers in a team
C . by specifying three controllers for the region rather than two
D . by assigning the devices’ IP addresses in the same subnet as the controllers

Answer: C