Sir plz giv explanation og the ques

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vartika agrawal

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Jul 27, 2012, 1:21:58 PM7/27/12
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Given a class C 192.192.192.200
create 3 subnes.....???

Er. Firoz. Ahamad.

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Jul 27, 2012, 4:03:46 PM7/27/12
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@ Dear vartika !
Given a class C 192.192.192.200 is broadcost id or what 1st tell me


vartika agrawal

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Jul 29, 2012, 3:51:06 AM7/29/12
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Hey hi Firoz

The question is just 
"Given a class C 192.192.192.200"
create 3 subnets (120.60,60)

and well i think its netwrk address

kratika jain

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Jul 29, 2012, 6:51:29 AM7/29/12
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hello vartika,
in ur ques given ip is of class c so 1st 3 byte are fixed and for subnet v'll use last byte bits...
here we have to use variable length partitioning bcz we have only 255 addresses and we have to devide it into 3 part and one of them is of size 120..so here i am using high end 1 bit and then high end 2 bits for creating the subnets.
so for 1st subnet of 120 host, subnet id is either 192.192.192.0 or 192.192.192.128 and subnet mask for this subnet is 255.255.255.128 and if i choose 192.192.192.0 for 1st subnet then the ids for other subnets are 192.192.192.0 & 192.192.192.64 and if i choose 192.192.192.128 for 1st subnet then the ids for other subnets are 192.192.192.128 & 192.192.192.192 and subnet mask for these 2 network is 255.255.255.192.
subnet id of 1st and 2nd subnet is same bt still we can differentiate b\w both n\w by using subnet mask bcz router alwayz arrange subnet mask in a order. :) :)

Prateek Khare

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Jul 29, 2012, 7:46:48 AM7/29/12
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@ vartika ... kratika gave gr8 explanation i just wanted to suggest
that for simplicity keep classfull classification in mind .. its
exactly same concept :)
--
Prateek Khare

Saurabh Singh

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Jul 29, 2012, 7:51:43 AM7/29/12
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subnets id with mask :
 
1. 192.192.192.0               (distributed as first bit 0 = 2^7 - 2 = 126 (120 can accomodate)) total  25 bits as in class c
    255.255.255.128

2. 192.192.192.128      (distributed as 10 = 2^6 - 2 = 62 (60 can accomodate) total 26 bits as in class c
     255.255.255.192

3. 192.192.192.192    (distributed as 11 = 2^6 -2 = 62 (60 can accomodate) total 26 bits as in class c
     255.255.255.192

vartika agrawal

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Jul 30, 2012, 11:11:03 AM7/30/12
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@Saurabh @Kratika thanks a lot .... :)

Ravi

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Jul 30, 2012, 11:18:48 AM7/30/12
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Move the discussions to www.gabbarfans.com :)
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