Refer to the exhibit. Which statement is true?

Question

Exhibit

Options

• AIf the IM&P node in sub-cluster-1 goes down, then users assigned to it are randomly split
• BThe administrator must add one node to each subcluster for high availability.
• CIM&P nodes in each subscluster must be configured from the same OVA template.
• DEach Cisco IM&P subcluster must have the same number of nodes.

• B
  89% (16)
• C
  6% (1)
• D
  6% (1)

Explanation

In Cisco IM and Presence, high availability (HA) within a subcluster requires at least two nodes - a primary and a backup. If only one node exists in a subcluster, there is no HA and a node failure means all assigned users go offline. Therefore, an administrator must add a second node to each subcluster to achieve HA (B). Option A is incorrect because failed-over users are not split randomly - they are systematically migrated to the backup node. Option C is incorrect because OVA template uniformity is not a hard requirement for IM&P subclusters. Option D is incorrect because different subclusters can have different node counts; only within a single subcluster must there be a paired primary/backup structure for HA.

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