According to the exhibit displayed in the screen, the Local Controller-Global Controller state is active but the communications do not appear to work. Which is the most likely cause of this situation?
PassGuide 642-545
A.
The Local Controller and Global Controller port 80 traffic is being blocked by a firewall.
B.
This issue results from a time synchronization mismatch.
C.
You forgot to click Activate for Global Controller-based topological changes to be pushed to the Local Controller.
D.
This issue results from a backlog of data that is caused by a temporary disconnect of the Local Controller and Global Controller.