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Unit 1: Principles of Working as a Door Supervisor in the Private Security Industry (Refresher)
Practice for the door supervisor refresher principles exam: searching, protecting vulnerable people, terror threat awareness and spiking.
Each attempt picks a new set of questions from a bank of 55, so you can practise as often as you like.
Suspicious activity that does not need an immediate response can be reported confidentially to the Anti-Terrorist Hotline or online through ACT (Action Counters Terrorism). Use 999 in an emergency.
The levels published by MI5 are LOW (highly unlikely), MODERATE (possible but not likely), SUBSTANTIAL (likely), SEVERE (highly likely) and CRITICAL (highly likely in the near future).
Explain what is happening and why, get the young person's consent, use a searcher of the same sex with another adult present (ideally a parent or guardian) and only ask for outer garments to be removed.
Spiking by injection may leave a small puncture wound and localised pain. Treat it as a possible spiking, arrange first aid and report it to the police.
Washing can destroy forensic evidence, so it helps to explain this, but the victim's welfare and choices come first. Stay supportive and pass the details to the police.
An LBIED is left behind at the target. A PBIED is carried or worn by the attacker, a VBIED is hidden in a vehicle, and VAAW uses the vehicle itself as the weapon.
Secure anything the person may have consumed, such as the glass or bottle, plus CCTV and body-worn camera footage and witness details. The police may be able to test it.
Guidance is 100 m for small items, 200 m for large items or a small vehicle such as a car, and 400 m for a large vehicle. Picture two football pitches end to end.
The question bank has 55 questions across these topics. Every attempt mixes them at random.
Questions last checked: 17 October 2026. These are practice questions written for BookCourse, not the official exam papers.
Practise with our free mock tests until you pass comfortably, then book your course.