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300-810 · Question #139

An organization has two Cisco IM and Presence clusters: one in the Americas and one in EMEAR. Both clusters connect via an intercluster peer. Each Cisco IM and Presence cluster has four nodes…

The correct answer is D. Cisco IM and Presence subscriber in the Americas, in the same logical group with IM and. Cisco IM and Presence High Availability (HA) operates within subclusters (logical groups), not across clusters or subclusters. When HA is enabled, each subcluster pairs a publisher node with a subscriber node. If the publisher fails, the Server Recovery Manager (SRM)…

Cisco Unified IM and Presence

Question

An organization has two Cisco IM and Presence clusters: one in the Americas and one in EMEAR. Both clusters connect via an intercluster peer. Each Cisco IM and Presence cluster has four nodes logically divided into two subclusters with high availability enabled with its local peers. When the Cisco IM and Presence publisher node in the Americas fails, to where are the users failed over?

Options

  • ACisco IM and Presence publisher in EMEAR. in the different logical group
  • BCisco IM and Presence subscriber in the Americas, in the different logical group
  • CCisco IM and Presence subscriber in EMEAR. in the same logical group with IM and Presence
  • DCisco IM and Presence subscriber in the Americas, in the same logical group with IM and

How the community answered

(23 responses)
  • A
    9% (2)
  • B
    4% (1)
  • C
    17% (4)
  • D
    70% (16)

Explanation

Cisco IM and Presence High Availability (HA) operates within subclusters (logical groups), not across clusters or subclusters. When HA is enabled, each subcluster pairs a publisher node with a subscriber node. If the publisher fails, the Server Recovery Manager (SRM) automatically fails users over to the subscriber within the same subcluster (same logical group) - not to a different subcluster or a different geographic cluster (EMEAR). Cross-cluster failover is not supported by the HA mechanism. Therefore, users on the Americas publisher are failed over to the Americas subscriber in the same logical group (Answer D).

Topics

#Cisco IM and Presence#High Availability#Cluster Failover#Publisher Subscriber

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