Refer to Figure 12.14 Procedure for CSMA/CD and Figure 12.4 Procedure for pure ALOHA protocol. Write three modifications on CSMA/CD make it produce better throughput than ALOHA. In brief explain each point. Refer to Figure 12.14 Procedure for CSMA/CD and Figure 12.4 Procedure for pure ALOHA protocol. Write three modifications on CSMA/CD make it produce better throughput than ALOHA. In brief explain each point