Which of the following is a key responsibility of flight attendants during takeoff?

Performing passenger safety demonstrations is a key responsibility of flight attendants during takeoff. This crucial task involves informing passengers about safety procedures and equipment, such as the use of seat belts, emergency exits, oxygen masks, and life vests. By conducting these demonstrations, flight attendants ensure that passengers are aware of how to act in case of an emergency, which is vital for their safety and well-being during the flight.

While ensuring that cabin features are operational, serving snacks and beverages, and managing in-flight entertainment systems are important responsibilities of flight attendants, they are not priority tasks during the critical phases of takeoff. The focus during takeoff is primarily on passenger safety and making sure everyone is prepared for the flight, making the safety demonstration the most relevant and essential duty at that time.