Refer the exhibit. An engineer configured ILS between two Cisco Unified Communications Manager clusters?
After the configuration is saved, the success screen never appears. Based on the trace output, what is the root cause of this problem?
A. Cisco Tomcat certs are missing on all servers
B. A firewall between the two clusters is blocking the connection between the servers
C. ILS password in the spoke server is incorrectly configured
D. IP address of the hub server is incorrectly configured
