Question 21 The subnet 222. 20.128.0/20 is allocated to an organization that has 4 departments, show how to subnet this network to 4 independents networks. Give the IP address of each subnet in binary...

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Extracted text: Question 21 The subnet 222. 20.128.0/20 is allocated to an organization that has 4 departments, show how to subnet this network to 4 independents networks. Give the IP address of each subnet in binary and in dotted decimal notation (a.b.c.d/x) (show your steps, only final answer not accepted).