Which of the following are true about the mappings between WLAN coverage scenarios and products? (Choose all that apply.)
A. In densely populated areas, AP4050DN-HD is used
B. In traffic burst scenarios, AP4051TN is used
C. In dense IoT scenarios, AP4050DN-E is used
D. In densely located rooms, AD9431DN-24X plus R251D or R251D-E is used