Which issue can the cisco Unified CM cluster experience?

After an engineer runs the ntils ntp status command on the Cisco Unified Communications manager publisher, the stratum value is 16.

Which issue can the cisco Unified CM cluster experience?
A . The date/time group an all phones default to the time zone of the engineer.
B . The cluster loses access to port 124 at the firewall.
C . Unified CM sends an NTPv4 packet.
D . Database replication is not synchronized on the Unified CM nodes.

View Answer

Answer: D