What is the maximum number of APs that can be managed by the Huawei plug-in controller ACU board?

Question

Options

• A1024
• B256
• C512
• D128

• A
  6% (1)
• B
  76% (13)
• C
  12% (2)
• D
  6% (1)

Explanation

Option B (256) is correct because the Huawei ACU (Access Controller Unit) plug-in controller board has a defined hardware limit of 256 APs per board, as specified in Huawei's official product documentation for this controller type. Option A (1024) is too high and may be confused with the total AP capacity of a full Huawei AC (Access Controller) chassis or a higher-end standalone controller. Option C (512) and Option D (128) are plausible-sounding figures but do not correspond to the ACU board's actual specification. For the exam, remember "ACU = 256" by associating the letter count: ACU has 3 letters, and 256 is 2 to the power of 8 - a clean power-of-two that Huawei selected for this board tier, sitting squarely between the smallest and largest controller capacities in their product line.

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