Which option is a requirement for Cisco Unified Communications Manager clustering?

The correct answer is A. Multiple servers run the exact same version of Cisco Unified Communications Manager. A fundamental requirement for a Cisco Unified Communications Manager cluster is that all servers-both the Publisher and all Subscribers-must run the exact same version of CUCM software (option A). This ensures database replication integrity and consistent feature behavior…

Cisco Unified Communications Manager (CUCM)

Question

Options

AMultiple servers run the exact same version of Cisco Unified Communications Manager.
BThe Publisher runs the same or a newer version of Cisco Unified Communications Manager as
CThe Subscribers run the same or a newer version of Cisco Unified Communications Manager as
DMultiple servers run any version of Cisco Unified Communications Manager as long as they

How the community answered

(61 responses)

A
90% (55)
B
7% (4)
C
2% (1)
D
2% (1)

Explanation

A fundamental requirement for a Cisco Unified Communications Manager cluster is that all servers-both the Publisher and all Subscribers-must run the exact same version of CUCM software (option A). This ensures database replication integrity and consistent feature behavior across the cluster. Unlike some other distributed systems, CUCM does not support mixed-version clusters for normal operation; attempting to run different versions will break replication and call processing. Options B and C incorrectly suggest that one node type can run a newer or older version than another, and option D is incorrect because version consistency is mandatory, not optional.

Topics

#CUCM clustering#software version#Publisher#Subscriber

Community Discussion

No community discussion yet for this question.

Full 300-070 Practice