Question :  Convert 734215 8 to binary?

    Answer: 111 011 100 010 001 101

 Question : Convert 734215 16 to binary?

   Answer: 0111 0011 0100 0010 0001 0101 2 

 Question : What is the broadcast address for network 142.16.72.0/23?

   Answer:142.16.73.255 

 Question : Subnet 198.4.81.0/24 into the maximum number of networks that can support 28 hosts each?

   Answer:198.4.81.0/27 and the subnets are:

198.4.81.0/27

198.4.81.32/27

198.4.81.64/27

198.4.81.96/27

198.4.81.128/27

198.4.81.160/27

198.4.81.192/27

198.4.81.224/27

 

Question : What is the broadcast address for network 198.4.81.96/27? Answer : 198.4.81.127