The Second Referee uses this mechanic to repeat the First Referee's signals on their side of the net for coaches and players to see.
What is mirroring?
This is the net height required for a high school girls' volleyball match.
What is 7 feet 4 1/8 inches?
Players must rotate in this direction each time their team gains the serve.
What is clockwise?
This action is defined as directing the ball toward the opponent's court, excluding a serve or block.
What is an attack or hit?
True or False: The Libero is allowed to serve.
What is True?
During warmups, a referee notices a player wearing illegal jewelry. This is the correct action to take at this time.
What is issuing a verbal warning, or asking the player to take the jewelry off, to correct the equipment (no penalty/delay card yet)?
This is the net height required for a high school boys' volleyball match.
What is 7 feet 11 5/8 inches?
When a team gains the serve, the player standing in Position 2 rotates directly to this position to serve.
What is Position 1?
Deflecting an incoming ball from the opponent while reaching higher than the top of the net near the net is classified as this.
What is a block?
True or False: The Libero can jump around in the serving order.
What is False?
If a player attempts to enter a set wearing illegal equipment, this administrative penalty is assessed to the team.
What is an Unnecessary Delay?
If a player makes contact with the ball while standing in playable space, but the ball then lands on the team benches, the ball is ruled this.
What is out of bounds / dead?
The main purpose of the rotation rule is to prevent players from getting stuck in this row.
What is the back row?
This is the call if there is a double fault during a live ball.
What is a Replay?
If you look at a volleyball team on the court, the libero is the easiest player to spot because they are the only one wearing a different colored this.
What is a jersey?
This official initiates all ball-handling call signals during a match, even if another official spots the fault first.
Who is the First Referee (R1)?
Any ball that lands directly on the boundary tape of the sideline or end line is ruled this.
What is in bounds (live)?
If a starting lineup contains duplicate jersey numbers, the coach has these two legal options to fix it.
What is changing the duplicate number to an legal unassigned number OR making a substitution?
This fault occurs when a server steps on or over the baseline before contacting the ball, instantly awarding a point to the opposing team.
What is a Foot Fault?

Looking at this picture, this jersey number identifies the defensive specialist who must wear a contrasting color to the rest of the team.
What is number 7?
This type of penalty is issued if a team commits a second unnecessary delay during the same set.
What is an Administrative Red Card (and loss of rally point)?
If the genders are mixed evenly in a coed match, this net height specification should be used.
What is the women's / girls' net height (7 feet 4 1/8 inches)?
Players are considered out-of-position (overlapping) if they are not in correct relative position to adjacent teammates at this exact moment.
What is the instant the ball is contacted for serve?
This infraction is called if a player makes contact with any part of the net between the antennae while actively playing the ball.
What is a Net Fault?
If the original Libero is injured and replaced by a secondary Libero, the new Libero must serve in this position.
What is the original Libero's designated serving position?