10 exam-style questions with answers and explanations, straight from our 1,030-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.
These 10 free NCJOSI questions are organized by exam domain, so you can see how each part of the National Criminal Justice Officer Selection Inventory Squared (NCJOSI²) blueprint is tested. Reveal the answer and explanation under each question.
Domain 1: Deductive Reasoning
Question 1
A fictional facility response card states: (1) visible smoke or flame inside an occupied building requires activation of the fire alarm and direction of occupants to the nearest marked exit; (2) an odor without visible smoke or flame requires notification of facilities staff without activating the alarm; and (3) when an odor accompanies visible smoke or flame, rule 1 controls. Employees and visitors are present when a reception wastebasket produces a sharp odor, visible flame, and smoke. What does the card require?
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Correct answer: C - Activate the fire alarm and direct occupants to the nearest marked exit
Domain 4: Information Gathering
Question 2
A failed-unit procedure requires staff to log the container before photographing its seal, photograph the seal immediately before testing, attach a red tag immediately after a failed test, lock the tagged container, and route the form only after locking. The container has failed its test. Select the compliant sequence.
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Correct answer: A - Log, photograph, test, tag, lock, route
Domain 5: Problem Sensitivity
Question 3
A routing process requires every package to receive a unique identifier before scanning. The scanner reads that identifier, and the system routes any blank scan to an exception queue. Package B never received its identifier; the scanner therefore recorded a blank, and the system sent the record to the exception queue. What was the earliest material failure?
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Correct answer: B - Package B was not assigned its required unique identifier before scanning
Domain 6: Selective Attention
Question 4
Hamming distance is the number of character positions that differ between equal-length codes. Compare an entry only with the source code for the same shipment number. The source codes are 27: K7M428Q5 and 28: K9M128R5; the entry labeled 27 is K9N128Q8. Apply this rule: 0 means accept, 1 or 2 means manual verification, and 3 or more means reject and reopen the source record. Which evaluation follows?
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Correct answer: C - Compare it with shipment 27: the distance is 4, so reject and reopen
Domain 7: Spatial Orientation
Question 5
A safety officer must choose the shortest usable route from the control room to an assembly point. Corridor H is closed, and Passage P permits eastbound travel only. Choose the shortest usable route.
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Correct answer: D - Route D: 100 m + 130 m + 140 m, using only open two-way corridors
Domain 11: Anti-Social Behaviors
Question 6
Under the stated conduct criterion, Anti-Social Behaviors requires evidence of deliberate deception, harm, intimidation, exploitation, retaliation, or knowing rule evasion; an isolated accidental error transparently corrected does not establish it. A records clerk transposes two digits, notices the error during review, reports it, preserves the original entry, and makes an authorized traceable correction. Based on these facts, what conclusion is best supported?
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Correct answer: A - The facts support a corrected mistake, not a finding of deliberate misconduct
Question 7
An evaluator uses a conduct standard under which Anti-Social Behaviors requires intentional deception, intimidation, exploitation, retaliation, harm, or knowing rule evasion. The evaluator receives four additional facts about Mara. Identify the fact that most directly supports that classification.
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Correct answer: D - After access is denied, Mara uses another employee's active session and clears the audit alert
Domain 12: Positive Outlook
Question 8
A three-part standard defines constructive Positive Outlook after a setback: acknowledge the setback accurately, choose a controllable next step, and follow through by putting the plan into action, adapting it after a later result, or seeking appropriate help. A project proposal is rejected because required data are missing. Which response satisfies all three parts?
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Correct answer: B - Review the cited gap, add the missing data, and schedule a follow-up check
Domain 13: Orderliness / Diligence
Question 9
Reliable Orderliness/Diligence at task closeout requires a handoff to state current status, unfinished work, its assigned owner, and a deadline. At the 14:00 shift change, Case 418 has verified inventory and totals, its photo upload remains unfinished, and Lee is the designated next-shift owner. Select the handoff that satisfies all four closeout requirements.
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Correct answer: D - Record verified status, assign Lee the photo upload, and set a 16:00 deadline
Domain 14: Socialization
Question 10
In a team setting, Socialization is defined as respectful, task-relevant, authorized cooperation; it does not require extroversion or unrestricted disclosure. A technician prefers quiet independent work. During a joint inventory, she gives assigned partners the required updates, follows turn-taking rules, and clarifies responsibility for discrepancies. When an unauthorized visitor asks for case details, she politely declines. Which judgment best fits?
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Correct answer: C - Her conduct shows effective Socialization within authorized task boundaries