1. Change the following IP addresses from dotted-decimal notation to binary notation a. 50.45.78 b) 193.36.5.1:2 c) 240.81.56.100 2. Find the class of each address (show how you come about your decision) a) 227.12.14.87 b)194.4.56.22 c)10.23.121.8 d)203.56.15.111 e 253.50.150.111 3. Find the mask, Network address and host address of the following classful IP addresses in dotted decimals and binary a) 80.20.10.3 b) 130.5.4.128 c) 192.25.30.1 4. You work in an IT department in the accounting section of a company. The IP address given to the company is 192.109.8.17. The number of hosts in the account department of the company is 29. If you are requesting for a block of address for your department Determine the following a) The sub net mask used b) The total number of hosts permitted in your network c) The broadcast address of your department