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4A0-100 · Question #302

4A0-100 Question #302: Real Exam Question with Answer & Explanation

The correct answer is C. /28. See the full explanation below for the reasoning.

Question

Given network address 200.12.30.0 with network mask 255.255.255.0, which subnet mask can be used to create 12 subnetworks? Each subnetwork must support 10 host addresses.

Options

  • A/25
  • B/26
  • C/28
  • D/30

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