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Aurora
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Teacher
Asked: 2022-09-19T09:27:21+00:00 In:

Which subnet mask would be used if exactly 5 host bits are available?

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Good Morning Mates,

I am wondering about this question, can you help me, please?

Which subnet mask would be used if exactly 5 host bits are available?

  • A. 255.255.255.240
  • B. 255.255.255.224
  • C. 255.255.255.248
  • D. 255.255.255.128
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5 Answers

  1. Teacher

    Good morning Aurora,

    Honestly, I am not sure about the right answer, but I can guarantee that A & C are wrong, as  The mask of 255.255.255.240 has 4 host bits and 255.255.255.248 represents 3 host bits.

     

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  2. Teacher

    Correct answer is B, However, the subnet mask of the 255.255.255.224 is used when the 5 hosts bits are available because  255.255.255.0 has 8 host bits while  255.255.255 .240 has 4 bits and 255.255.255.128 has 7 host bits.

    I hope this helps!

    Have a good day!

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  3. Pundit

    Hi Aurora,

    Honestly, I am confused about A and C. But answer B is more convincing. I’ll go with B.

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  4. Professional

    After rethinking, I believe B seems to be the most accurate one as it is the only one which makes sense.

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  5. Pundit

    Good morning,

    Definitely, the right answer is B, the first subnet mask (option A) is used if exactly 4 host bits are available not 5.

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