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16 bits

example class b:

nnn.nnn.0.0 - nnn.nnn.255.255

subnetmask: 255.255.0.0

example class c (8 bits):

nnn.nnn.nnn.0 - nnn.nnn.nnn.255

subnetmask: 255.255.255.0

exaple class a (24 bits):

nnn.0.0.0 - nnn.255.255.255

subnetmask: 255.0.0.0

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Related Questions

What is the maximum number of bits that can be borrowed with class b?

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Thirty bits make up the network portion of a class C address. Three bits are borrowed for the subnet mask. There is also a class A and a class B that are comprised of bits.


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How many bits are required to supernet seven class c address?

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How can the subnet mask for a class C address be represented?

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