4. Read the file IP Addresses and Routing Tables. Preview the document Then, answer the following question.

a.) An organization wants to form subnets for four departments with the following number of hosts: A dept: 82; B dept: 40; C dept: 18; D dept: 60.

b.) Assuming the ISP serving the company starts with the old class C address 210.118.63, what does the companys CIDR entries in the routing table look like?

c.) The ISP needs to provide CIDR addresses for four subnets: one will handle up to 126 hosts (for department A) and the other three will handle up to 62 hosts each for departments B, C, and D.

5. Describe a metric that might be used in a routing table for Internet data communications.