Subnetting & Exam 70-216

I have been learning subnetting using material from my
MCSE books. This book states that when determining the
valid subnets you should not use the all 1's or all 0's.

However, I have been looking at Microsoft's Technet site
and they stated that this is now a dated idea, so long as
your routers use CIDR

I am planning to take my exam in the next week and I'm now
in the delima of do I use the all 1's and 0's network id
when calculating the subnetted network ids

For those interested, here is the link to MS Technet where
I found the information

http://www.microsoft.com/technet/treeview/default.asp?
url=/technet/prodtechnol/windows2000serv/reskit/tcpip/part1
/tcpch01.asp

Do a search for RFC 1812, located just above Step 3:
Enumerating IP Addresses for Each Subnet

Anyone out there have any advice regarding which way I
should go?

Thanks

Paul

Japes
Tue Nov 25 16:18:13 CST 2003

For the amount of subnetting questions your likely to actually get on the
test, I wouldn't worry about it. Bare in mind if its pertinent to the answer
something will have likely been said in the statement/question.

--
Regards

Japes

Have you found any Celestine Insights in your life yet?



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anonymous
Tue Nov 25 16:44:58 CST 2003


>-----Original Message-----
>I have been learning subnetting using material from my
>MCSE books. This book states that when determining the
>valid subnets you should not use the all 1's or all 0's.
>
>However, I have been looking at Microsoft's Technet site
>and they stated that this is now a dated idea, so long
as
>your routers use CIDR
>
>I am planning to take my exam in the next week and I'm
now
>in the delima of do I use the all 1's and 0's network id
>when calculating the subnetted network ids
>
>For those interested, here is the link to MS Technet
where
>I found the information
>
>http://www.microsoft.com/technet/treeview/default.asp?
>url=/technet/prodtechnol/windows2000serv/reskit/tcpip/par
t1
>/tcpch01.asp
>
>Do a search for RFC 1812, located just above Step 3:
>Enumerating IP Addresses for Each Subnet
>
>Anyone out there have any advice regarding which way I
>should go?
>
>Thanks
>
>Paul
>.
>You're right , Microsoft uses the CIDR Notation now ,

Example : if you have an ID Address 192.168.117.110/24
It means your subnet mask is 255.255.255.0

Because number 24 means in binary

11111111 11111111 11111111 00000000 so you must have (24)
of (1) in your subnet mask

Count the subnet mask

But be careful about some exceptions

Also , you must learn about how to supernet

Try to connect to theses websites

www.howtosubnet.com

Jose
Wed Nov 26 09:58:32 CST 2003

I passed 216 yesterday...did not get any subnetting questions
<anonymous@discussions.microsoft.com> wrote in message
news:6abb01c3b3a5$c141b330$a601280a@phx.gbl...
>
> >-----Original Message-----
> >I have been learning subnetting using material from my
> >MCSE books. This book states that when determining the
> >valid subnets you should not use the all 1's or all 0's.
> >
> >However, I have been looking at Microsoft's Technet site
> >and they stated that this is now a dated idea, so long
> as
> >your routers use CIDR
> >
> >I am planning to take my exam in the next week and I'm
> now
> >in the delima of do I use the all 1's and 0's network id
> >when calculating the subnetted network ids
> >
> >For those interested, here is the link to MS Technet
> where
> >I found the information
> >
> >http://www.microsoft.com/technet/treeview/default.asp?
> >url=/technet/prodtechnol/windows2000serv/reskit/tcpip/par
> t1
> >/tcpch01.asp
> >
> >Do a search for RFC 1812, located just above Step 3:
> >Enumerating IP Addresses for Each Subnet
> >
> >Anyone out there have any advice regarding which way I
> >should go?
> >
> >Thanks
> >
> >Paul
> >.
> >You're right , Microsoft uses the CIDR Notation now ,
>
> Example : if you have an ID Address 192.168.117.110/24
> It means your subnet mask is 255.255.255.0
>
> Because number 24 means in binary
>
> 11111111 11111111 11111111 00000000 so you must have (24)
> of (1) in your subnet mask
>
> Count the subnet mask
>
> But be careful about some exceptions
>
> Also , you must learn about how to supernet
>
> Try to connect to theses websites
>
> www.howtosubnet.com

anonymous
Wed Nov 26 18:13:43 CST 2003

Thanks to everyone for your feedback on this subject

I was going to take the exam on Saturday, however, this
Saturday is all booked out, so I have brought the exam
forward a day to Friday

Fingers Crossed!

>-----Original Message-----
>I have been learning subnetting using material from my
>MCSE books. This book states that when determining the
>valid subnets you should not use the all 1's or all 0's.
>
>However, I have been looking at Microsoft's Technet site
>and they stated that this is now a dated idea, so long as
>your routers use CIDR
>
>I am planning to take my exam in the next week and I'm
now
>in the delima of do I use the all 1's and 0's network id
>when calculating the subnetted network ids
>
>For those interested, here is the link to MS Technet
where
>I found the information
>
>http://www.microsoft.com/technet/treeview/default.asp?
>url=/technet/prodtechnol/windows2000serv/reskit/tcpip/part
1
>/tcpch01.asp
>
>Do a search for RFC 1812, located just above Step 3:
>Enumerating IP Addresses for Each Subnet
>
>Anyone out there have any advice regarding which way I
>should go?
>
>Thanks
>
>Paul
>.
>

Jose
Thu Nov 27 04:50:54 CST 2003

good luck!
<anonymous@discussions.microsoft.com> wrote in message
news:06cb01c3b47b$513809f0$a101280a@phx.gbl...
> Thanks to everyone for your feedback on this subject
>
> I was going to take the exam on Saturday, however, this
> Saturday is all booked out, so I have brought the exam
> forward a day to Friday
>
> Fingers Crossed!
>
> >-----Original Message-----
> >I have been learning subnetting using material from my
> >MCSE books. This book states that when determining the
> >valid subnets you should not use the all 1's or all 0's.
> >
> >However, I have been looking at Microsoft's Technet site
> >and they stated that this is now a dated idea, so long as
> >your routers use CIDR
> >
> >I am planning to take my exam in the next week and I'm
> now
> >in the delima of do I use the all 1's and 0's network id
> >when calculating the subnetted network ids
> >
> >For those interested, here is the link to MS Technet
> where
> >I found the information
> >
> >http://www.microsoft.com/technet/treeview/default.asp?
> >url=/technet/prodtechnol/windows2000serv/reskit/tcpip/part
> 1
> >/tcpch01.asp
> >
> >Do a search for RFC 1812, located just above Step 3:
> >Enumerating IP Addresses for Each Subnet
> >
> >Anyone out there have any advice regarding which way I
> >should go?
> >
> >Thanks
> >
> >Paul
> >.
> >