In ALOHA protocol, select possible answer$($s$)$

Group of answer choices

ALOHA protocols offer better quality of service than CSMA$/$CA protocols

The efficiency of slotted ALOHA is higher than un$-$slotted ALOHA because the venerability period is reduced by half

Some aspects of ALOHA are still used in today's IoT networks such as LoRaWAN

Slotted ALOHA protocol is quite efficient and thus is selected for $4$G and $5$G systems