The subnet mask corresponding to /26 is?

  • A255.255.255.0
  • B255.255.255.128
  • C255.255.255.192
  • D255.255.255.224
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Correct Answer: C. 255.255.255.192
Explanation: A /26 mask has 26 leading 1 bits, giving 255.255.255.192.
Reference: Standard computer networking fundamentals: subnetting