210-060 · Question #283
How many servers can be supported in a Cisco IM and Presence Service Cluster?
The correct answer is D. 6. A Cisco IM and Presence Service cluster supports a maximum of 6 servers - 1 publisher node and up to 5 subscriber nodes.
Question
How many servers can be supported in a Cisco IM and Presence Service Cluster?
Options
- A10
- B2
- C8
- D6
- E4
How the community answered
(57 responses)- A2% (1)
- C4% (2)
- D88% (50)
- E7% (4)
Why each option
A Cisco IM and Presence Service cluster supports a maximum of 6 servers - 1 publisher node and up to 5 subscriber nodes.
10 servers exceeds the supported maximum for a single IM and Presence cluster and is not a valid cluster size.
2 servers is the minimum viable deployment (1 publisher plus 1 subscriber) but is not the maximum supported cluster size.
8 servers is not a valid cluster size for Cisco IM and Presence Service and exceeds the supported node limit.
According to Cisco's IM and Presence Service design guidance, a single cluster is limited to 6 nodes total (1 publisher plus 5 subscribers). This ceiling is defined by the cluster's internal database replication architecture and synchronization limits, and exceeding it requires deploying additional clusters.
4 servers is a valid intermediate deployment size but is not the maximum; the supported maximum is 6 nodes.
Concept tested: Cisco IM and Presence Service cluster node capacity
Source: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/im_presence/installUpgrade/12_5_1/cucm_b_install-upgrade-guide-imp-1251/cucm_b_install-upgrade-guide-imp-1251_chapter_00.html
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