Which of the following statements refer to a failover scenario in a BlackBerry Enterprise Server configured for high availability? (Choose two.)

Question

Options

• AThe primary BlackBerry Enterprise Server instance uses the failover threshold to determine when it
• BThe standby BlackBerry Enterprise Server instance uses the failover threshold to determine when it
• CThe standby BlackBerry Enterprise Server instance uses the promotion threshold to determine when it is
• DThe primary BlackBerry Enterprise Server instance uses the promotion threshold to determine when it is

• A
  76% (47)
• B
  16% (10)
• D
  8% (5)

Explanation

In a BES high availability setup, each server role has a distinct threshold type that governs its behavior: the primary server monitors its own health against a failover threshold to decide when it should relinquish control (A), while the standby server monitors conditions against a promotion threshold to decide when it should assume the active role (C). These are intentionally separate mechanisms, giving both servers independent decision-making power during a failover event.

Why B is wrong: The standby server does not use the failover threshold - that threshold belongs to the primary, which is the server at risk of failing.

Why D is wrong: The primary server does not use the promotion threshold - promotion is the standby's concern, since it's the one being elevated to active status.

Memory tip: Match the action to the server role - "Failover = Falling primary" and "Promotion = Picking up the standby." The server performing the action owns the threshold for that action.

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