Given the scenario that VIP users require access to internal applications daily, you have decided to configure the BlackBerry MDS Connection Service for high availability. What is the minimum number…

The correct answer is B. 2. 2 instances is the minimum because high availability requires redundancy - if one BlackBerry MDS Connection Service instance fails, the second takes over, ensuring VIP users maintain uninterrupted access to internal applications. A single instance (A) creates a single point of…

High Availability and Disaster Recovery

Question

Given the scenario that VIP users require access to internal applications daily, you have decided to configure the BlackBerry MDS Connection Service for high availability. What is the minimum number of BlackBerry MDS Connection Service instances you need to install? (Choose one.)

Options

How the community answered

(41 responses)

A
15% (6)
B
73% (30)
C
2% (1)
D
7% (3)
E
2% (1)

Explanation

2 instances is the minimum because high availability requires redundancy - if one BlackBerry MDS Connection Service instance fails, the second takes over, ensuring VIP users maintain uninterrupted access to internal applications. A single instance (A) creates a single point of failure, which directly contradicts the goal of high availability. Options C, D, and E (3, 4, 5) would provide additional redundancy and load distribution, but they exceed the minimum threshold - the question specifically asks for the lowest number needed to meet the HA requirement, not the optimal deployment.

Memory tip: Think of HA as "Have Another" - you always need at least 2 of anything for high availability, one to serve and one to take over.

Topics

#MDS Connection Service#high availability minimum#VIP user access#service instances

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