Which of the following 802.11 transmission requirements contributes to

The right answer for the question that is being asked and shown above is that: "c. A destination node must issue an acknowledgment for every packet that is received intact." This is the statement that 802.11 transmission requirements contributes to its efficiency.

This is what i found on google “eightin 1997, the mccaughey septuplets were born in carlisle, iowa. multiple births of as many as eight babies have been born alive, the first set on record to the chukwu family in texas in 1998; one died and seven survived. in 2009, a second set, the suleman octuplets, were born in bellflower, california.” i was surprised about this . i don’t want to have that many babies .