5. CSMA/CD based Ethernet LANs in various sites and Frame Relay (FR) service to connect them together. You want to make a difference in the organization by upgrading the LANs to be more scalable, better accessible and compatible with future initiatives such as private cloud. You are preparing a report to board of VPs about your proposal. Answer the following questions about your proposal:

5.1 List at least three shortcomings of the current CSMA/CD based Ethernet LAN.

5.2 Write down at least four technological improvements that you propose for the wireline LAN infrastructure.

5.3 Write down at least two advantages and two issues of adding a wireless LAN for the organization.