Continue hitting the ball back and forth across the net until a fault happens. This could be because of any one of the following:
The ball hits the ground.
If the ball hits the ground on the side of the serving team, then the other team has the opportunity to serve.
If the ball hits the ground on the side of the receiving team, then the serving team can serve again.
The point is awarded to the team that did not allow the ball to hit the ground.
The ball goes out of bounds. The team that hits the ball out of bounds loses the point.
Someone touches the net. If a player on one team touches the net, then the opposing team picks up a point.
Someone's foot goes under the net. When this happens, the opposing team receives the point.
Someone hits the ball 2 consecutive times. Players can't strike the ball twice in a row.
A team hits the ball 4 or more times without sending it over. 3 is the maximum.