OSN 7500 supports a maximum of 2M service boards. Which of the following is correct?

Question

Options

• A1
• B2
• C3
• D4

• A
  8% (3)
• B
  3% (1)
• C
  17% (6)
• D
  72% (26)

Explanation

Option D (4) is correct because the Huawei OSN 7500 platform is designed to support a maximum of 4 2M (E1) service boards within its chassis architecture, as specified in the product's hardware configuration guidelines. Options A (1), B (2), and C (3) are incorrect because they all understate this maximum capacity - the OSN 7500 is a high-capacity platform built to handle significant service density, so a limit of just 1, 2, or 3 boards would be too restrictive for its design intent. The distinction matters in real deployments where maximizing E1 slot utilization is critical for legacy TDM traffic aggregation.

Memory tip: Think "OSN 7500 → 4 max 2M boards" by associating the last digit of the chassis model (7500) with doubling to reach the board limit - or simply remember "four boards for the big box." When you see this question, eliminate the lower numbers as too conservative for a platform in this class.

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