What steps should passengers take if they are subject to a random security check?

When passengers are subject to a random security check, the appropriate course of action is to cooperate fully with security personnel. This cooperation helps ensure a smooth and efficient security process for everyone involved. Security personnel are trained to conduct these checks as a part of maintaining safety and security within the airport and on flights.

By cooperating, passengers demonstrate an understanding of the importance of security measures and contribute to a positive atmosphere, which can lead to quicker resolutions and less frustration for both the personnel and other travelers. Engaging respectfully with security helps maintain a secure environment and fosters compliance with regulations designed to protect all individuals in the airport setting.

The other options represent actions that could lead to unnecessary complications or delays. For instance, refusing to comply could escalate the situation, while requesting legal documentation may not be practical in this context and could hinder security operations. Ignoring the check is neither advisable nor feasible, as it undermines the very purpose of these security measures.