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Question: 27  

 

Suppose an organisation has CIDR based IP address 215.58.204.10./20, Organisation decided to divide the network into three

subnet name as X, Y, Z respectively. Which of the following is a valid IP address of the subnet Y?

1.

215.58.192.12/22

 

2.

215.58.201.100/22

 

3.

215.58.196.254/21

 

4.

None of  these

 


According to me both and can be the ans, but they have provided only B as ans. Who is right?

in Computer Networks by (1.7k points) | 21 views
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Here third octet should be greater > 204 when we do the subnetting as for that IP the subnet mask of third octet is 11111100 →  252 and value of 204 is 11001100 so 252 & 204 is 204 hence NID will contain 204. So third octet should be greater > 204

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