You are exactly right. Well done.
----- Original Message -----
From: Han-Song Kim <[EMAIL PROTECTED]>
To: 'Groupstudy' <[EMAIL PROTECTED]>
Sent: Sunday, February 04, 2001 1:38 AM
Subject: RE: Subnet questions
> Ok, I looked into the resources that you've referred to, and put a little
> more thought into this question. I think I can see why the answer could
be
> C on this problem, which makes this question a little tricky.
>
> If you could bare with me, let me just go through my logic and you can
just
> tell me if I'm on the right track or not.
>
> So, we're given the networks,
>
> 192.168.9.0 (192.168.0000 1001.0000 0000)
> 192.168.10.0 (192.168.0000 1010.0000 0000)
> 192.168.11.0 (192.168.0000 1011.0000 0000) and
> 192.168.12.0 (192.168.0000 1100.0000 0000).
>
> Keeping in mind that the question asks for the "best" summarization...
since
> 192.168.8.0/21 would include additional networks not mentioned in the
> problem (i.e. 192.168.13.0, 192.168.14.0, etc.), I can see how this might
> not be the best answer.
>
> 192.168.9.0/22, on the other hand, is the "best" summarization for the
first
> three networks. The last network has no other networks to be summarized
> with, therefore can be left out of the summarization.
>
> Is this the right reasoning for the correct answer being C?
>
>
>
> Regards,
>
> Han-Song Kim
> Network Engineer, CCNP/ MCSE/ MCDBA
> Planetary Networks
> (W)408.745.3065 (C)408.910.7907
> [EMAIL PROTECTED]
>
>
>
>
> -----Original Message-----
> From: Groupstudy [mailto:[EMAIL PROTECTED]]
> Sent: Saturday, February 03, 2001 11:51 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Subnet questions
>
>
> 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
> > >
> > > _________________________________
> > > FAQ, list archives, and subscription info:
> > http://www.groupstudy.com/list/cisco.html
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> > >
> >
> > _________________________________
> > FAQ, list archives, and subscription info:
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> >
>
> _________________________________
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