TeamOn Systems Inc. is reviewing their international deployment of BlackBerry Enterprise Server instances. At a minimum, how many BlackBerry Enterprise Server instances does TeamOn Systems Inc…

Question

Options

• A1
• B2
• C3
• D4
• E5

• A
  2% (1)
• B
  84% (37)
• C
  9% (4)
• E
  5% (2)

Explanation

Option B (2) is correct because BlackBerry Enterprise Server architecture requires a minimum of two instances to support international deployments - at least one BES to serve the domestic/home-country infrastructure and at least one additional BES to route and service users operating internationally, each registering with the appropriate regional BlackBerry NOC (Network Operations Center).

Why the distractors are wrong:

• A (1): A single BES instance cannot adequately bridge both domestic and international user bases due to regional NOC routing constraints - one instance simply isn't enough to cover the separation international deployment demands.
• C, D, E (3, 4, 5): These all exceed the minimum. Additional instances are valid for scalability, redundancy, or multi-region expansion, but they are not the baseline requirement the question asks for.

Memory tip: Think "2 for international" - picture a bridge: you need one pillar at home (domestic BES) and one pillar abroad (international BES). You can add more supports for strength, but you need at least two pillars to span the gap.

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