Quick Subnetting Question

Hi Guys,

Just doing my last minute prep for the 291 (Exam tomorrow at 10:30).

I have a question on maximum number of subnets. Say I get a question in the exam asking for the maximum number of subnets, would the correct answer be the RFC 1812 number ( say /19 = 8 subnets of 8192 ids / 8190 max hosts per sub) or would I need to minus 2 from the maximum (so /19 = 6)?

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gojericho0

ssjaronx4 wrote:

/19 = 8 subnets of 8192 ids / 8190 max hosts per sub)

Thats what I went with when I took the exam

undomiel

From my experience it isn't something that you'll run into unless they specifically mention non-compliance or compliance. But if you have to make an assumption I would assume compliance.

DragonNOA1

I'd go with the minus 2 answer.

Good luck!

royal

A little late but oh well.

But always do 2n-2 for hosts and 2n for subnets.

So how'd you do on the exam?

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