Course Title: Computer Comunication & Networking

Date: 04-Feb-2015

 

NETWORK ID & BROADCAST ID

 

Q. 192.168.10.32/26 Find Network & Broadcast ID ?


ANS....


    Default SubnetMask of C Class is  255.255.255.0
    24 bits for network
    8 bits for hosts/users
                        
                 /2 bit use in Network

    128    64    32    16    8    4    2    1
     1        1     0      0     0    0    0    0
    SubnetMask 255.255.255.192
    
          128    64    32    16    8    4    2    1
32=       0      0      1      0    0    0    0    0
192=     1      1      0      0    0    0    0    0

    using ( AND OPERATION )
    
            0     0       0      0    0    0    0    0    = 0


192.168.10.0 is network ID of 192.168.10.32         ANS........(1)
192.168.10.1     First Valid User

26 bits of Networks
6 bits of Host

Network    =    2^n    =2^2    =4 NETWORKS
Host    =    2^n-2    =2^6-2    =64-2    =62 HOST

192.168.10.62     Last Valid User
192.168.10.63 is Broadcast ID of 192.168.10.32        ANS........(2)


 


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