1. Give two reasons why networks might use an error-correcting code instead of error detection and retransmission. 2. List two ways in which WiMAX is similar to 802.11, and two ways in which it is...

1. Give two reasons why networks might use an error-correcting code instead of error detection and retransmission.

2. List two ways in which WiMAX is similar to 802.11, and two ways in which it is different from 802.11.