How many re-serves is a server entitled to during every service?

A server is entitled to one re-serve during every service. This means that if a player serves the ball and it goes out of bounds, is not playable, or if there was a violation on the serve (such as an incorrect rotation), the server can take another serve without any penalty.

This rule emphasizes the importance of ensuring that the serve is executed correctly for it to be valid. Allowing only one re-serve helps maintain the pace of play and ensures that the game continues efficiently, avoiding prolonged interruptions for repeatedly serving. Other options suggest multiple re-serves or unlimited chances, which do not align with the standard rules of volleyball governing service. Therefore, one re-serve is the correct answer as it reflects the official guidelines that govern the game.