A game of regulation basketball has two officials.
Two; an up-ref and a down-ref.
as many as you would like but in a real volleyball game 6 on each team and there is 2 teams so 12 people can play in a game of volleyball.
There are no parts
There are seven officials during a NFL game
There are seven officials on the field during a football game.
there are 4 different officials in badminton
There are no quarters in a volleyball game. Their called "sets" its a game and you either play best 2 of 3 or 3 of 5.
Normally, there are two players in a game of beach volleyball.
at least 6.