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.
Answer: D