How many 7-bit

5 pts.
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Bit rate
Subnets
How many 7-bit subnets can fit into a 13-bit subnet

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64
2 to the 13th power – 7th power = 2 to the 6th power = 64.

<a href=”http://www.digipro.com/Papers/IP_Subnetting.shtml”>IP Subnetting help </a>

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  • Subhendu Sen
    For better concept please have a look here : http://adminkernel.com/networking-concepts/ip-subnets
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  • Chippy088
    This is an interesting question. Homework? Why 7 bit networks on a 13 bit subnet? Do you mean 7 bit hosts on a 13 bit subnetwork, or 13 bit hosts on a 7 bit network. either way it is not workable. Hosts can only have an 8 bit IP address. Therefore the 7/13 bit split option you have specified is incorrect.
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  • petkoa
    It could be, and probably is a homework... But it is perfectly workable - in CIDR notation, 7 bit subnet is 32-7=25 (/25), 13 bit subnet is 32-13=19 (/19). Both classless "classes" are widely used: /19 is the smallest subnet for an AS assignment, /25 - half of class C network.
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  • TomLiotta
    64 2 to the 13th power - 7th power = 2 to the 6th power = 64. Since the question is about 7-bit subnets rather than 7-bit hosts, why 64? Why not 128 subnets? But the question isn't totally clear. Is it really about "subnets" within a 13-bit subnet? or "hosts" within a 13-bit subnet? Tom
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