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H12-221 · Question #235

H12-221 Question #235: Real Exam Question with Answer & Explanation

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Question

You are using the address space 172.28.100.0/24. If the subnet mask 172.28.100.0/30 is used to subnet this address space to serve WAN links, how many total subnets can the address space be divided into?

Options

  • A30
  • B64
  • C126
  • D254

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