NCJOSI2 Cheat Sheet 2026

The 30 highest-yield NCJOSI2 facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. An officer must recall the license plate '7KBZ214' from a fleeing vehicle. Which memory grouping is MOST effective? → 7KB-Z214 (two meaningful chunks)
2. During a traffic stop, you notice a driver is nervous and avoiding questions. What should you do? → Calmly ask open-ended questions to gather more information
3. Which term refers to the intent to commit a crime? → Mens rea
4. Which memory technique is MOST useful for accurately recalling the exact sequence of events during a fast-moving incident? → Mental replay — visualizing the incident from beginning to end immediately afterward
5. Look at this series: 4, 5, 7, 10, 14, __. What number should come next? → 19
6. Which sentence contains a spelling error? → The incident occured at approximately 2200 hours.
7. You are dispatched to a burglary in progress. Upon arrival, you see someone matching the suspect’s description running away. What should you do first? → Call for backup while observing the suspect’s direction.
8. What is the primary purpose of criminal law? → To maintain public order and protect society
9. While on patrol, you witness a fellow officer using excessive force on a suspect. What is the appropriate action? → Immediately intervene and report the incident to your supervisor.
10. Which sentence is the most clear and concise for a report? → I spoke with the victim in the kitchen.
11. Look at this series: 90, 83, 77, 72, 68, __. What number should come next? → 65
12. Look at this series: Z, X, U, Q, L, __. What letter should come next? → F
13. After viewing a suspect description for 30 seconds, which detail is MOST critical to remember for officer safety? → Whether the suspect is armed
14. Which of the following best demonstrates professionalism during a high-stress situation? → Remaining calm, focused, and respectful while managing the situation
15. What is the cornerstone of professionalism in law enforcement? → Adhering to ethical standards and codes of conduct
16. An officer uses the 'link' memory technique to recall five witnesses by creating a mental story that connects them. This technique works primarily because: → It organizes separate pieces of information into a narrative that is easier to recall
17. You respond to a domestic disturbance where one party is visibly injured but refuses to press charges. What should you do? → Document the injuries, gather evidence, and report the incident.
18. A person accused of a crime is presumed to be: → Innocent until proven guilty
19. Which sentence uses the correct word? → They're waiting for their ride to get there.
20. After responding to a domestic disturbance, an officer should record which detail in their notes FIRST? → The time of arrival and address
21. You are a police officer responding to a noise complaint. When you arrive, the residents are agitated and uncooperative. What should you do? → Calmly explain the reason for your visit and listen to their concerns.
22. After completing an arrest, an officer is writing an incident report. Which approach BEST reflects proper use of observation in report writing? → Documenting only what the officer can personally verify through direct observation
23. Which of the following is an example of a felony? → Arson causing extensive property damage
24. Which of the following sentences is grammatically correct? → The officers who were on scene secured the perimeter.
25. While patrolling, you find a wallet with $500 in cash but no identification. What is the most professional action to take? → Turn it over to your supervisor or lost-and-found immediately.
26. Using the incident report table, which month had the lowest number of reported Vandalism incidents? → March
27. During a traffic stop, the driver becomes argumentative and refuses to provide identification. What is your best course of action? → Calmly explain the legal requirement and consequences of noncompliance.
28. Using the same incident report table, how many more theft incidents were reported in March than in February? → 14
29. Which of the following is a complete and correctly punctuated sentence? → I arrived on the scene, and I saw the suspect fleeing.
30. While responding to a domestic disturbance, both parties are yelling at each other. What is the best approach? → Take one person outside to de-escalate the situation