I don't want to explain, it will take me too long. There have been a number
of threads regarding subnet addressing lately and they had some good
examples to examine. Search the archives.
Be patient, learning to subnet and summarize off the top of your head
requires some time and practice. The best way to learn is to just sit down
and play with binary.
Take a look at the following URL's for complete discussions on this topic.
I think you will get what you need from them:
http://www.cisco.com/univercd/cc/td/doc/cisintwk/idg4/nd20a.htm
http://www.3com.com/nsc/501302.html
----- Original Message -----
From: Han-Song Kim <[EMAIL PROTECTED]>
To: 'Groupstudy' <[EMAIL PROTECTED]>
Sent: Saturday, February 03, 2001 8:10 PM
Subject: RE: Subnet questions
> Sorry about the previous response. I thought you're responding back to my
> earlier e-mail. Still, why is the answer to Q3 C, not D?
>
>
>
> -----Original Message-----
> From: Groupstudy [mailto:[EMAIL PROTECTED]]
> Sent: Saturday, February 03, 2001 7:31 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Subnet questions
>
>
> B is the correct answer.
>
> ----- Original Message -----
> From: Andy <[EMAIL PROTECTED]>
> To: Hunt Lee <[EMAIL PROTECTED]>
> Cc: <[EMAIL PROTECTED]>
> Sent: Saturday, February 03, 2001 9:40 AM
> Subject: Re: Subnet questions
>
>
> >
> >
> > On Sun, 4 Feb 2001, Hunt Lee wrote:
> >
> > > I have three subnet / route summarization questions but I don't
> > > understand the answer, any help would be greatly appreciated.
> > >
> > > Q1) Choose the appropriate classless network address and broadcast
> > > address for the IP address 10.6.38.50 with a subnet mask of
> > > 255.255.240.0
> > >
> > > A) 10.6.38.49 and 10.6.38.62
> > >
> > > B) 10.6.32.0 and 10.6.47.255
> > >
> > > C) 10.6.38.0 and 10.6.38.255
> > >
> > > D) 10.0.0.0 and 10.255.255.255
> > >
> > > Answer is B.
> >
> > No its not. The answer is 10.6.38.48 and 10.6.38.63. It probably meant
to
> > say classful.
> >
> > > Q2) Given a classless route summarization of 72.8.0.0 /13. Which IP
> > > address fall into this scope?
> > >
> > > A) 72.15.36.8
> > >
> > > B) 72.13.1.1
> > >
> > > C) 72.8.20.10
> > >
> > > D) 72.7.200.100
> > >
> > > E) 72.16.7.4
> > >
> > > F) 72.40.1.8
> > >
> > > Answer is A, B & C - why isn't E the ansewr as well?
> >
> > The range of 72.8.0.0/13 is 72.8.0.0 - 72.15.255.255. Its 8 Class B's.
> >
> > > Q3) When using classless supernetting, which route best summarizes
> > > the following networks?
> > >
> > > 192.168.9.0
> > > 192.168.10.0
> > > 192.168.11.0
> > > 192.168.12.0
> > >
> > > A) 192.168.0.9 / 20
> > >
> > > B) 192.168.0.0 / 16
> > >
> > > C) 192.168.9.0 / 22
> > >
> > > D) 192.168.8.0 / 21
> > >
> > > I thought D is the answer, but the answer is C.
> >
> > A /22 is 4 Class C's, a /21 is 8. I recommand finding or making (to
> > actually learn it) a subnet table and just keeping referencing it until
> > you don't need to anymore.
> >
> > andy
> >
> > _________________________________
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> >
>
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