Click the Exhibit Button

Multiple Choice

Click the Exhibit button. Referring to the exhibit, what must have occurred prior to JohnDoe sending the request?

A) JohnDoe must have obtained a valid token from Horizon.
B) JohnDoe must have successfully authenticated using OpenStack's Web user interface.
C) JohnDoe must have obtained a valid token from Keystone.
D) JonnDoe must have obtained a valid token from the Contrail control node.