Select the correct statement(s) regarding IEEE 802.16 WiMAX BWA. a. OFDM is implemented to increase spectral efficiency and to improve noise performance b. QPSK and M’ary QAM are both used as modulation techniques c. LTE implements WiMAX BWA for backhaul connectivity d. all of the statements are correct

"it security policy enforcement and monitoring" respond to the following: describe how monitoring worker activities can increase the security within organizations. describe the rationale that managers should use to determine the degree of monitoring that the organization should conduct. explain the extent to which you believe an organization has the right to monitor user actions and traffic. determine the actions organizations can take to mitigate the potential issues associated with monitoring user actions and traffic.

In a game with three frames, where will the objects on layer 1 appear? a. next to the play area b. in the middle of the game c. behind everything else d. in front of everything else

What are the 12 colors of the spectrum called?