Security guard
SIA CCTV Operator Practice Test 2026: Practice test 4
Practice test 4 of 5 for the SIA CCTV Operator Practice Test: 25 more questions with answers and explanations.
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Question 1 of 25
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Answer: D. Carbon dioxide (CO2)
All extinguishers have red bodies with a coloured band: red for water, cream for foam, blue for dry powder, black for CO2 and yellow for wet chemical.
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Question 2 of 25
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Answer: A. The right to liberty and security (Article 5)
Detaining someone takes away their liberty. Any arrest must be lawful, or it may breach Article 5 and be false imprisonment.
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Question 3 of 25
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Answer: C. Someone very drunk and alone
Vulnerability can come from alcohol or drugs, being alone, age, mental health or being targeted by others.
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Question 4 of 25
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Answer: A. Cream
Foam extinguishers have a cream band. They are used on Class A and Class B fires.
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Question 5 of 25
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Answer: B. Class A
Class A is solids, Class B flammable liquids, Class C flammable gases, Class D metals and Class F cooking oils and fats.
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Question 6 of 25
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Answer: A. 5
The levels are low, moderate, substantial, severe and critical.
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Question 7 of 25
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Answer: A. Information about an identifiable living person
Personal data includes names, images, CCTV footage and notes that can identify someone.
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Question 8 of 25
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Answer: A. When a police officer cannot reasonably make the arrest instead and it is necessary for a listed reason
The arrest must be necessary, for example to stop the person causing injury or damage or making off, and it must not be reasonably practicable for a constable to do it.
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Question 9 of 25
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Answer: A. Something you must do, such as wear protective equipment
Blue signs are mandatory. Red signs show prohibitions or fire equipment, yellow signs warn of hazards, and green signs show safe conditions such as escape routes.
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Question 10 of 25
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Answer: B. Trouble sleeping, flashbacks or avoiding the place where it happened
These can be signs of stress or post-traumatic stress. Colleagues should be encouraged to seek support.
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Question 11 of 25
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Answer: A. Beyond reasonable doubt
The prosecution must prove guilt beyond reasonable doubt. Civil cases use the lower standard of the balance of probabilities.
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Question 12 of 25
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Answer: B. Make entries in time order and leave no blank spaces
Entries should be in order, in ink, with no gaps or torn-out pages, so nothing can be added later.
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Question 13 of 25
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Answer: C. Religion or belief
Religion or belief is one of the nine protected characteristics. Refusing service because of one of them can be unlawful discrimination.
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Question 14 of 25
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Answer: C. Gangs using children and vulnerable people to move and sell drugs across areas
Security operatives should watch for signs of exploitation, such as young people out late with unexplained money or phones, and report concerns.
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Question 15 of 25
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Answer: D. Carbon dioxide (CO2)
CO2 does not conduct electricity and leaves no residue. Never use water on electrical fires.
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Question 16 of 25
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Answer: A. Move people away from the item to a safe distance
The 4 Cs are Confirm, Clear, Communicate and Control. Never touch or move the item.
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Question 17 of 25
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Answer: C. Licensing individuals who work in designated security activities
The SIA licenses individuals, runs the Approved Contractor Scheme and works to raise standards in the industry.
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Question 18 of 25
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Answer: A. Hidden
HOT asks whether the item is Hidden, Obviously suspicious, and not Typical of what you would expect in that place.
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Question 19 of 25
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Answer: D. An indictable offence
Section 24A powers apply only to indictable offences, such as theft or assault causing injury, and only when further conditions are met.
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Question 20 of 25
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Answer: D. As soon as possible after the incident
Reports written soon after an event are more accurate and carry more weight as evidence.
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Question 21 of 25
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Answer: B. The Regulatory Reform (Fire Safety) Order 2005
The Fire Safety Order applies in England and Wales. Scotland has the Fire (Scotland) Act 2005, and Northern Ireland has its own fire safety laws.
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Question 22 of 25
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Answer: A. Loud background noise
Noise, language differences, intoxication and strong emotions can all stop a message being understood.
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Question 23 of 25
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Answer: B. Facial expressions and body posture
Non-verbal communication includes body language, gestures, facial expressions and eye contact. It can say more than words.
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Question 24 of 25
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Answer: C. Common law
PACE does not apply in Scotland. A citizen's arrest there is based on common law, generally for a serious crime the person has seen being committed.
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Question 25 of 25
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Answer: A. To slow the spread of fire and smoke
Fire doors hold back fire and smoke so people have time to escape. Wedging them open defeats their purpose.
Keyboard: 1–4 to answer, Enter for the next question.
The real test: 70% in each multiple-choice exam (72 questions and 40 questions)