9. An ISP is granted a block of addresses starting with 190.100.0.0/16 (65,536 addresses). The ISP needs to distribute these addresses to three groups of customers as follows:
a. The first group has 64 customers; each needs 256
addresses.
b. The second group has 128 customers; each needs 128
addresses.
c. The third group has 128 customers; each needs 64
addresses.
Assume the blocks of IPs are sequentially assigned. Design the subblocks and find out how many addresses are still available after these allocations. Illustrate the network structure of this implementation [ 10 Marks]
10. A Customer in question 9 a desires to create 5 subnets in its organization one for the HR office with 20 network devices, another subnetwork finance department with 30 nodes, the payroll data entry section with 120 devices, assets section with 50 nodes and pensions department with 30 network devices. Illustrate the network design using an elaborate diagram and show the subnet masks for all the subnets [ 15 Marks]
11. A Customer in question 9 b desires to create 4 subnets in its organization one for the HR office with 20 network devices, another subnetwork finance department with 30 nodes, the payroll data entry section with 40 devices, assets section with 20 nodes and pensions department with 30 network devices. Illustrate the network design using an elaborate diagram and show the subnet masks for all the subnets [ 10 Marks]
