Transportation Security Officer (TSO) Certification Exam — Questions and Answers
Question 1: When viewing an X-ray image, a TSO sees an object shaped like a pistol but rendered entirely in orange. What should the officer conclude?
- The object is food-related and can be cleared immediately
- The color confirms it is not a threat
- The shape warrants resolution regardless of color because firearms can be made of polymer or plastic (Correct answer)
- The object is safe because orange indicates organic material
Correct answer: The shape warrants resolution regardless of color because firearms can be made of polymer or plastic
Polymer-framed or 3D-printed firearms display as organic (orange) but retain their characteristic shape, which must still be resolved.
Question 2: What is the primary purpose of the Behavior Detection Officer (BDO) program at TSA checkpoints?
- To identify passengers exhibiting behaviors that may indicate a threat (Correct answer)
- To verify boarding passes against flight manifests
- To manage passenger flow and reduce wait times
- To conduct random bag checks
Correct answer: To identify passengers exhibiting behaviors that may indicate a threat
BDOs are trained to identify stress, fear, and deceptive behaviors that may indicate a security threat through observation techniques.
Question 3: Which of the following best describes 'target hardening' in airport security?
- Making airport floors harder for easier cleaning
- Strengthening aircraft fuselages
- Implementing security measures that make it more difficult for attackers to successfully execute a threat (Correct answer)
- Training TSOs in self-defense combat
Correct answer: Implementing security measures that make it more difficult for attackers to successfully execute a threat
Target hardening refers to implementing physical and procedural security measures that increase the difficulty and risk for would-be attackers.
Question 4: Which document formally authorizes a TSO to perform screening duties at a specific checkpoint?
- TSA Form 3020 (Personnel Action)
- The TSO's federal ID badge alone
- A checkpoint certification issued after completing all required training (Correct answer)
- The TSO's appointment letter from HR
Correct answer: A checkpoint certification issued after completing all required training
Checkpoint certification documents that a TSO has completed all required training and is authorized to work at that specific screening location.
Question 5: A passenger loudly disputes a prohibited item confiscation in front of other travelers. The TSO should:
- Immediately call law enforcement for any public dispute
- Ignore the passenger and process the next traveler
- Calmly restate the policy, offer to move the conversation aside to reduce the audience, and notify a supervisor if needed (Correct answer)
- Match their volume to restore order in the checkpoint area
Correct answer: Calmly restate the policy, offer to move the conversation aside to reduce the audience, and notify a supervisor if needed
Moving a dispute away from the public area reduces escalation and allows for a calmer, more effective resolution.
Question 6: The concept of 'layered security' in an airport environment means that:
- The TSO's role at the checkpoint is the single most important and final layer of defense against threats.
- Multiple, overlapping security measures are in place, so that if one layer is bypassed, another is likely to detect the threat. (Correct answer)
- Passengers are screened multiple times using the exact same procedure to ensure nothing is missed.
- Each security function, like the TDC and X-ray, operates independently to prevent a single point of failure.
Correct answer: Multiple, overlapping security measures are in place, so that if one layer is bypassed, another is likely to detect the threat.
Layered security is a core principle where security is not dependent on a single measure. It combines various elements—such as intelligence, passenger vetting, law enforcement presence, access controls, and checkpoint screening—to create a multi-faceted defense. A failure at one point can be caught by another, increasing overall security effectiveness.
Question 7: TSOs performing ETD screening must wear nitrile gloves primarily to:
- Maintain a professional appearance during passenger interaction
- Comply with OSHA heat protection requirements at the checkpoint
- Protect themselves from electrical hazards in the ETD equipment
- Prevent their own skin residue from contaminating swab samples (Correct answer)
Correct answer: Prevent their own skin residue from contaminating swab samples
Nitrile gloves prevent the TSO's own skin residue — which may include lotions, fertilizers, or other interfering substances — from contaminating ETD swab samples.
Question 8: What is the maximum number of lithium-ion spare batteries between 100Wh and 160Wh a passenger may carry in carry-on baggage?
- None; batteries over 100Wh are prohibited
- No limit, any number is permitted
- Up to 5 batteries with airline approval
- Up to 2 batteries with airline approval (Correct answer)
Correct answer: Up to 2 batteries with airline approval
Spare lithium-ion batteries between 100Wh and 160Wh are allowed in carry-on with airline approval, limited to 2 batteries per passenger.
Question 9: A passenger nervously watches TSO officers while repeatedly checking their carry-on bag and avoiding eye contact. This behavior is best described as:
- A behavioral indicator requiring further observation (Correct answer)
- Grounds for immediate arrest
- Standard traveler impatience
- Normal pre-flight anxiety
Correct answer: A behavioral indicator requiring further observation
Repeated checking of baggage combined with surveillance-like watching of officers are behavioral indicators that warrant additional observation.
Question 10: How should a TSO handle a passenger who becomes verbally aggressive but compliant during a pat-down?
- Skip remaining steps of the pat-down for safety
- Remain calm, continue the pat-down professionally, and report the behavior to a supervisor (Correct answer)
- Raise their voice to match the passenger's tone
- Immediately stop the pat-down and call law enforcement
Correct answer: Remain calm, continue the pat-down professionally, and report the behavior to a supervisor
Officers should remain calm and professional while completing the screening and reporting any issues to a supervisor.
Question 11: A passenger arrives at the checkpoint with a snow globe larger than 3.4 ounces. What should the TSO advise?
- Test it with ETD swabs and allow it if negative
- Freeze it to pass as a solid
- Allow it through in a quart-sized bag
- Inform the passenger it must be checked or surrendered, as it exceeds the liquid limit (Correct answer)
Correct answer: Inform the passenger it must be checked or surrendered, as it exceeds the liquid limit
Snow globes containing liquid exceeding 3.4 ounces are not permitted in carry-on baggage and must be checked or surrendered.
Question 12: A passenger is selected for AIT screening but declines. What must the TSO do?
- Allow the passenger through with a standard metal detector only
- Offer the passenger a pat-down as an alternative screening method (Correct answer)
- Deny the passenger entry to the sterile area
- Escalate immediately to law enforcement
Correct answer: Offer the passenger a pat-down as an alternative screening method
Passengers who decline AIT screening must be offered a pat-down as an alternative; they cannot simply be denied entry without alternative screening.
Question 13: When a new screening technology is deployed at an airport, TSOs must complete what type of training before using it?
- No formal training if the technology is similar to existing equipment
- Only self-study using the device manual
- Technology-specific certification training (Correct answer)
- A 30-day observation period
Correct answer: Technology-specific certification training
TSA policy requires technology-specific certification training before any officer may independently operate newly deployed screening equipment.
Question 14: Under TSA policy, which personnel have primary responsibility for ensuring TSOs complete required recurrent training on schedule?
- Transportation Security Managers (TSMs) (Correct answer)
- Individual TSOs themselves
- The TSA Academy staff
- Airport operations directors
Correct answer: Transportation Security Managers (TSMs)
Transportation Security Managers are accountable for tracking and ensuring their officers complete all mandatory recurrent training within required timeframes.
Question 15: What is the correct procedure when ETD (Explosive Trace Detection) equipment produces an alarm?
- Immediately evacuate the checkpoint
- Conduct additional screening and notify a supervisor (Correct answer)
- Retest with the same swab to confirm
- Allow the passenger through and note the incident in a log
Correct answer: Conduct additional screening and notify a supervisor
An ETD alarm requires additional screening steps and supervisor notification to determine if a threat exists.
Question 16: A passenger alarms the Advanced Imaging Technology (AIT) scanner. According to TSA procedures, which of the following is the most appropriate next step for the TSO?
- Immediately conduct a pat-down of the passenger's entire body.
- Conduct a pat-down procedure to resolve the alarm. (Correct answer)
- Direct the passenger to a private screening area for a bag search.
- Ask the passenger to go through the AIT scanner a second time.
Correct answer: Conduct a pat-down procedure to resolve the alarm.
When a passenger alarms the AIT or a walk-through metal detector, the standard procedure is to perform a pat-down to identify and resolve the source of the alarm. While other steps might be taken in different situations, the direct response to an AIT alarm is a pat-down.
Question 17: Under TSA rules, how many ounces may a single liquid container in a carry-on bag hold?
- 3.4 ounces (Correct answer)
- 4 ounces
- 2 ounces
- 8 ounces
Correct answer: 3.4 ounces
TSA's 3-1-1 rule limits individual liquid containers in carry-ons to 3.4 ounces (100 milliliters) or less.
Question 18: ETD machines analyze collected swab samples using which primary detection technology?
- Magnetic resonance imaging (MRI)
- Infrared thermal imaging
- Ion mobility spectrometry (IMS) (Correct answer)
- Ultrasonic frequency scanning
Correct answer: Ion mobility spectrometry (IMS)
Most ETD equipment used by TSA employs ion mobility spectrometry (IMS), which identifies explosive compounds by analyzing the mobility of ionized particles from the swab sample.
Question 19: Which behavior by a TSO BEST demonstrates professional conduct toward all passengers?
- Skipping pleasantries to process passengers faster
- Applying stricter scrutiny to passengers who match a specific profile
- Focusing only on passengers who appear nervous or suspicious
- Greeting every passenger consistently and applying procedures uniformly (Correct answer)
Correct answer: Greeting every passenger consistently and applying procedures uniformly
Consistent, uniform treatment of all passengers upholds civil rights and TSA non-discrimination standards.
Question 20: Which type of lighter is prohibited in both carry-on AND checked baggage?
- Torch lighters (blue flame) (Correct answer)
- Common book matches
- Disposable BIC-style lighters
- Zippo-style lighters without fuel
Correct answer: Torch lighters (blue flame)
Torch lighters (also called blue flame or jet lighters) are prohibited in both carry-on and checked baggage due to their high-intensity flame.
Question 21: A passenger presents a state-issued ID that appears to be expired by two weeks. What should the TSO do?
- Automatically deny boarding
- Refer the passenger to document verification procedures per current TSA policy (Correct answer)
- Confiscate the ID as fraudulent
- Accept the ID without question
Correct answer: Refer the passenger to document verification procedures per current TSA policy
TSA policy provides guidance on accepting recently expired IDs and may allow passengers to proceed through identity verification procedures.
Question 22: A TSO discovers an unattended bag in the sterile area. What is the correct initial response?
- Move the bag to lost and found
- Announce over the PA for the owner to claim it immediately
- Do not touch it and notify a supervisor and follow protocol (Correct answer)
- Open the bag to check its contents
Correct answer: Do not touch it and notify a supervisor and follow protocol
Unattended bags in secure areas must be treated as potential threats; TSOs should not touch them and should notify supervisors.
Question 23: While conducting a bag search, a passenger quietly offers a TSO a significant amount of money, saying, "Let's just make this quicker." Which of the following is the correct and most professional response?
- Firmly refuse the offer, immediately report the bribery attempt to a supervisor, and continue with the required screening procedures. (Correct answer)
- Refuse the offer and immediately stop the screening process to detain the passenger for law enforcement.
- Accept the money but conduct the search anyway to avoid suspicion from other officers.
- Ignore the offer and complete the search quickly without reporting it to avoid a confrontation with the passenger.
Correct answer: Firmly refuse the offer, immediately report the bribery attempt to a supervisor, and continue with the required screening procedures.
TSA has a zero-tolerance policy for corruption. Any attempt at bribery is a serious security and ethical breach. The TSO must unequivocally refuse the offer, report the incident to a supervisor immediately for proper handling, and must also complete the security screening as required to ensure no threats are present. Ignoring the event or accepting the bribe are severe violations of professional conduct.
Question 24: Which of the following citizenship or residency statuses would disqualify a candidate from TSO accreditation?
- Non-immigrant visa holder with work authorization (Correct answer)
- U.S. citizen born abroad to American parents
- Naturalized U.S. citizen
- Lawful permanent resident (green card holder)
Correct answer: Non-immigrant visa holder with work authorization
TSO positions require U.S. citizenship or lawful permanent resident status; non-immigrant visa holders are ineligible.
Question 25: During a shift, a TSO notices a colleague appears impaired. What should the TSO do?
- Report the observation to a supervisor immediately (Correct answer)
- Confront the colleague directly in the screening lane
- Quietly cover for the colleague until they recover
- Wait until the shift ends to report it
Correct answer: Report the observation to a supervisor immediately
An impaired coworker poses a direct security risk and must be reported to a supervisor without delay.
Question 26: Which behavioral indicator might suggest a passenger is attempting to smuggle prohibited items through the checkpoint?
- Voluntarily removing shoes and laptop before being asked
- Wearing loose-fitting clothing appropriate for air travel
- Avoiding eye contact, appearing excessively nervous, and repeatedly checking surroundings (Correct answer)
- Making eye contact with TSOs and greeting them politely
Correct answer: Avoiding eye contact, appearing excessively nervous, and repeatedly checking surroundings
Behavioral detection officers are trained to identify clusters of indicators such as avoidance of eye contact, excessive nervousness, and hypervigilance as potential signs of deceptive intent.
Question 27: Which of the following is permitted in carry-on baggage when properly packaged?
- Bear spray canister
- Fueled camp stove
- Dry ice up to 5.5 lbs for perishables (Correct answer)
- Flare gun with flares
Correct answer: Dry ice up to 5.5 lbs for perishables
Dry ice up to 5.5 lbs is permitted in carry-on when properly packaged with venting to prevent gas buildup; the others are prohibited.
Question 28: A TSO observes a uniformed airline employee use their security badge to allow another individual, who is not in uniform and has no visible ID, through a secure door leading to the airfield. This scenario is a classic example of what potential threat?
- An insider threat and 'piggybacking'. (Correct answer)
- A simple customer service courtesy for a valued client.
- A diversion tactic to distract TSOs.
- A Known Crewmember violation.
Correct answer: An insider threat and 'piggybacking'.
This is a prime example of an insider threat, where a trusted individual uses their credentials to compromise security. The act of allowing an unauthorized person to follow through a secured entry point is known as 'piggybacking.' This bypasses critical access controls and creates a significant security breach.
Question 29: When performing a pat-down of a passenger, a TSO must:
- Perform the search without explanation to maintain efficiency
- Use only the fingertips and skip sensitive areas entirely
- Allow only supervisors to conduct all pat-downs
- Use the back of the hand on sensitive areas and explain the procedure beforehand (Correct answer)
Correct answer: Use the back of the hand on sensitive areas and explain the procedure beforehand
TSA protocol requires TSOs to explain the pat-down procedure before beginning and use the back of the hand on sensitive body areas.
Question 30: What is the purpose of the 'resolution pat-down' compared to a standard pat-down?
- It is more invasive and covers the entire body
- It replaces AIT scanning for all passengers
- It is only used for PreCheck passengers
- It is targeted to a specific area identified by imaging or alarm (Correct answer)
Correct answer: It is targeted to a specific area identified by imaging or alarm
A resolution pat-down is targeted to the specific area flagged by AIT or alarm technology to resolve the detected anomaly.
Question 31: Which action should a TSO take when they cannot conclusively resolve an anomaly on the X-ray image?
- Re-run the bag through the X-ray machine five times
- Refer the bag for additional screening such as ETD testing or a physical search (Correct answer)
- Clear the bag and document the uncertainty
- Ask a fellow TSO to give a second opinion and then clear the bag
Correct answer: Refer the bag for additional screening such as ETD testing or a physical search
An unresolved anomaly must be escalated to additional screening methods; clearing an ambiguous bag creates a security gap.
Question 32: An officer is conducting a pat-down when the passenger states they have a medical condition affecting their abdomen. What should the TSO do?
- Require a doctor's note before continuing
- Proceed with standard pat-down ignoring the statement
- Acknowledge the condition, adjust technique if appropriate, and use ETD swabbing as an alternative if needed (Correct answer)
- Skip the abdominal area entirely
Correct answer: Acknowledge the condition, adjust technique if appropriate, and use ETD swabbing as an alternative if needed
Officers should acknowledge medical conditions, adapt screening techniques appropriately, and use ETD swabbing as an alternative when direct contact is problematic.
Question 33: A passenger's carry-on bag alarms the X-ray machine but the image is unclear. What is the correct next step?
- Wave the passenger through to avoid delays
- Send the bag through the X-ray a second time only
- Detain the passenger indefinitely
- Conduct a physical bag search to resolve the alarm (Correct answer)
Correct answer: Conduct a physical bag search to resolve the alarm
When an X-ray alarm cannot be resolved visually, TSOs must perform a physical bag search to identify the source of the alarm.
Question 34: When an X-ray image shows thin, flat rectangular metal sheets stacked together inside a bag, a TSO should consider the possibility of:
- Currency wrapped in foil
- A set of metal rulers or straightedges
- Standard aluminum food packaging
- Sheet explosives such as PETN-based flex explosive concealed within innocent-looking items (Correct answer)
Correct answer: Sheet explosives such as PETN-based flex explosive concealed within innocent-looking items
Sheet explosives like PETN flex can appear as flat, dense metallic layers and require additional screening.
Question 35: A TSO notices a coworker consistently skipping a required step in the pat-down procedure. The correct action is to:
- Report the concern to a supervisor or through the TSA reporting process (Correct answer)
- Document it privately and wait for a formal audit
- Personally confront and discipline the coworker
- Ignore it since the coworker is experienced
Correct answer: Report the concern to a supervisor or through the TSA reporting process
TSA officers have a duty to report procedure non-compliance to supervisory staff so corrective training or counseling can occur promptly.
Question 36: A TSO is screening the carry-on bag of a family with a 10-year-old child. Which of the following items is subject to modified screening procedures specifically for the child?
- The child's backpack full of toys.
- The child's laptop computer.
- The child's quart-sized bag of liquids.
- The child's shoes and light jacket. (Correct answer)
Correct answer: The child's shoes and light jacket.
TSA has modified screening procedures for children 12 and under, which includes allowing them to leave on their shoes, light jackets, and headwear during the screening process.
Question 37: A TSO observes an X-ray image with an object that appears as a solid orange rectangle with no distinguishable internal structure. What is the most appropriate response?
- Clear the bag since organic materials are usually harmless
- Mark it as food and allow it through without further action
- Flag the bag for additional screening because solid undifferentiated masses can conceal threats (Correct answer)
- Escalate directly to law enforcement without further screening steps
Correct answer: Flag the bag for additional screening because solid undifferentiated masses can conceal threats
Solid undifferentiated masses with no visible internal structure are a concealment red flag and warrant additional screening to identify the contents.
Question 38: A passenger refuses to remove their shoes at the checkpoint. What should the TSO do?
- Explain the requirement and offer alternative screening methods if applicable (Correct answer)
- Allow the passenger to proceed if they show ID
- Immediately call law enforcement
- Permit the passenger through without shoe screening
Correct answer: Explain the requirement and offer alternative screening methods if applicable
TSOs should calmly explain the screening requirement and may offer alternatives such as ETD (explosive trace detection) if the passenger cannot comply for medical reasons.
Question 39: What is the required TSO action when explosive trace detection (ETD) from a pat-down glove swab returns an alarm?
- Dismiss the result if the passenger appears non-threatening
- Re-swab the same area and average the results
- Immediately arrest the passenger
- Conduct additional screening and notify a supervisor per alarm resolution protocols (Correct answer)
Correct answer: Conduct additional screening and notify a supervisor per alarm resolution protocols
An ETD alarm requires additional screening steps and supervisor notification in accordance with alarm resolution protocols.
Question 40: What is the primary function of a Security Directive (SD) or Emergency Amendment (EA) issued by the TSA?
- To mandate specific, legally-binding security measures in response to credible intelligence or an evolving threat. (Correct answer)
- To provide optional best-practice recommendations to airport operators.
- To inform the public about new travel tips and packing guidelines.
- To document routine administrative changes to TSO work shifts and break schedules.
Correct answer: To mandate specific, legally-binding security measures in response to credible intelligence or an evolving threat.
Security Directives (SDs) and Emergency Amendments (EAs) are formal, compulsory regulations issued by the TSA to airports, aircraft operators, and other stakeholders. They are not optional. They are implemented to counter specific, often time-sensitive, security threats based on the latest intelligence.
Question 41: A passenger declares a personal oxygen concentrator in their carry-on. What is the correct procedure?
- Require it to be checked as oversize baggage
- Allow it; FAA-approved personal oxygen concentrators are permitted in carry-on (Correct answer)
- Allow it only with a physician's note presented at the checkpoint
- Prohibit it; medical devices with batteries are not allowed
Correct answer: Allow it; FAA-approved personal oxygen concentrators are permitted in carry-on
FAA-approved personal oxygen concentrators (POCs) are allowed in carry-on baggage; a physician's note is an airline requirement, not a TSA checkpoint requirement.
Question 42: Why must TSOs change ETD swabs between each passenger screened?
- To reset the machine's detection threshold to baseline
- To prevent cross-contamination between passengers (Correct answer)
- Because each swab can only absorb a limited amount of moisture
- To comply with machine calibration requirements after each test
Correct answer: To prevent cross-contamination between passengers
Using a fresh swab for each passenger prevents cross-contamination, which could transfer residue from one person to another and cause false positive results.
Question 43: During a pat-down, a TSO discovers a hard, unidentifiable object on a passenger. What is the appropriate action?
- Ignore it if the passenger says it is harmless
- Document and report the finding to a supervisor and resolve through additional screening (Correct answer)
- Immediately arrest the passenger
- Allow the passenger through if they provide a reasonable explanation
Correct answer: Document and report the finding to a supervisor and resolve through additional screening
Unidentifiable objects found during a pat-down must be reported to a supervisor and resolved through proper additional screening procedures.
Question 44: A passenger is carrying a CPAP machine. What is the TSA policy regarding this device at the checkpoint?
- It must always be checked; CPAP machines are too large for carry-on
- It is allowed in carry-on and must be removed from the bag for X-ray screening (Correct answer)
- It can remain in the bag during X-ray if placed separately from other items
- It requires a physician's note to pass through security
Correct answer: It is allowed in carry-on and must be removed from the bag for X-ray screening
CPAP machines are allowed in carry-on and must be removed from the carry-on bag and placed in a bin for separate X-ray screening.
Question 45: What does 'density' refer to in the context of X-ray image interpretation?
- The temperature of the object being scanned
- How fast an object moves through the scanner
- How much an object absorbs X-ray energy relative to its size (Correct answer)
- The number of items packed in a bag
Correct answer: How much an object absorbs X-ray energy relative to its size
Density in X-ray imaging refers to how much a material absorbs X-ray radiation, which determines its brightness and color on the image.
Question 46: A passenger traveling with a 10-year-old child is selected for additional screening, which will require a pat-down of the child. Which of the following statements is TRUE regarding this procedure?
- TSA has modified screening procedures to reduce the likelihood of pat-downs for children 12 and under. (Correct answer)
- The parent must consent in writing before the pat-down can occur.
- The pat-down procedure is identical to the one used for adults.
- The child must be screened in a private room away from the parent.
Correct answer: TSA has modified screening procedures to reduce the likelihood of pat-downs for children 12 and under.
TSA has implemented modified screening procedures specifically for children aged 12 and under to make the process less intrusive and reduce the need for pat-downs. If a pat-down is necessary, it will also be a modified procedure, and parents are consulted throughout the process.
Question 47: Which technique does TSA use during a standard pat-down to check sensitive areas?
- Pinching motion with fingers
- Back-of-the-hand technique for sensitive areas (Correct answer)
- Only visual inspection without physical contact
- Firm grip with full palm
Correct answer: Back-of-the-hand technique for sensitive areas
TSA uses the back-of-the-hand for sensitive body areas such as the groin and chest during standard pat-downs.
Question 48: When screening a passenger in a wheelchair, which step is required before beginning a pat-down?
- A supervisor must be called to observe
- The wheelchair must be sent through the X-ray tunnel first
- The officer must explain the procedure to the passenger before beginning (Correct answer)
- The passenger must transfer to a standard chair
Correct answer: The officer must explain the procedure to the passenger before beginning
Before conducting any pat-down, officers must explain the procedure to the passenger, which is especially important for passengers with disabilities.
Question 49: Which TSA program provides supplemental training for officers identified as needing improvement in specific screening skills?
- Leadership pipeline program
- TSA Cares program
- Voluntary overtime training
- Remedial or corrective training (Correct answer)
Correct answer: Remedial or corrective training
Remedial or corrective training is assigned to officers who demonstrate skill deficiencies, targeting the specific gaps identified through testing or covert evaluation.
Question 50: Which of the following is TRUE regarding gel shoe insoles at the TSA checkpoint?
- Gel insoles are prohibited because gel exceeds 3.4 oz
- Gel insoles must be declared and placed in a quart-sized bag
- Gel insoles must be removed from shoes and screened separately
- Gel insoles remain in shoes and are screened with the shoe X-ray (Correct answer)
Correct answer: Gel insoles remain in shoes and are screened with the shoe X-ray
Gel shoe insoles are not subject to the 3-1-1 liquid rule; they remain inside shoes, which are screened through the X-ray machine.
Question 51: During screening with the Advanced Imaging Technology (AIT), an anomaly is detected on a passenger. The passenger refuses a pat-down. What is the most likely outcome?
- The passenger will be allowed to proceed to their flight after a verbal warning.
- The passenger will be denied access to the sterile area and will not be able to board their flight. (Correct answer)
- The TSO will conduct a pat-down against the passenger's will.
- The passenger will be offered an alternative screening method, such as a walk-through metal detector.
Correct answer: The passenger will be denied access to the sterile area and will not be able to board their flight.
While passengers can opt out of AIT screening in favor of a pat-down, refusing a required pat-down to resolve an alarm or anomaly will result in being denied access to the secure area of the airport and thus, the flight.
Question 52: In TSA training, 'adult learning principles' are applied primarily to ensure that:
- All training is delivered via lecture only
- Training content is relevant, immediately applicable, and respects prior experience (Correct answer)
- Officers are tested without prior instruction
- Training is limited to officers over age 30
Correct answer: Training content is relevant, immediately applicable, and respects prior experience
Adult learning principles (andragogy) recognize that adult learners need relevance, practical application, and acknowledgment of their existing experience to learn effectively.
Question 53: Which on-the-job training element requires a TSO trainee to be directly supervised while performing checkpoint screening duties?
- Independent checkout
- Proficiency testing
- Recurrent training
- Supervised on-the-job training (OJT) (Correct answer)
Correct answer: Supervised on-the-job training (OJT)
During supervised OJT, a qualified TSO mentor directly observes and guides the trainee while performing live screening operations.
Question 54: Which situation would most likely require a TSO to complete a Significant Incident Report (SIR)?
- A passenger who forgot their boarding pass
- A discovery of a firearm in carry-on baggage (Correct answer)
- A passenger requesting a private screening
- A long queue at the checkpoint during peak hours
Correct answer: A discovery of a firearm in carry-on baggage
Discovery of a firearm in carry-on baggage is a significant security incident requiring formal documentation via a SIR.
Question 55: How does a TSA officer confirm that a pat-down has been completed correctly?
- By reviewing security camera footage after the fact
- By asking the passenger if they felt fully screened
- By consulting with a co-worker after the passenger departs
- By verifying all designated body regions were screened per SOP and the alarm was resolved (Correct answer)
Correct answer: By verifying all designated body regions were screened per SOP and the alarm was resolved
Completion is confirmed when all required body regions per SOP have been systematically screened and any alarm triggering the pat-down has been resolved.
Question 56: A passenger's bag triggers an alarm for explosive trace detection (ETD). The follow-up ETD swab also tests positive. What is the next step?
- Allow the passenger to proceed after a pat-down
- Re-test once more with ETD and release the passenger if the third test is negative
- Confiscate the bag and detain the passenger immediately
- Conduct a thorough physical bag search and if still unresolved, involve law enforcement (Correct answer)
Correct answer: Conduct a thorough physical bag search and if still unresolved, involve law enforcement
A confirmed positive ETD result requires a thorough physical inspection of the bag, and law enforcement must be notified if the alarm cannot be resolved.
Question 57: A passenger attempts to distract a TSO with an argument while an accomplice moves bags through screening. This tactic is known as:
- Random act of frustration
- Social engineering or a diversionary tactic (Correct answer)
- A passenger rights complaint procedure
- Standard checkpoint congestion
Correct answer: Social engineering or a diversionary tactic
Social engineering uses human interaction and distraction to manipulate security personnel into lowering their guard while an accomplice exploits the gap.
Question 58: What action should a TSO take if a passenger claims a liquid medication exceeds 3.4 ounces?
- Confiscate it immediately
- Require a prescription label before any decision
- Deny it regardless of medical need
- Allow it in reasonable quantities after informing the passenger it is subject to additional screening (Correct answer)
Correct answer: Allow it in reasonable quantities after informing the passenger it is subject to additional screening
TSA allows medically necessary liquids in excess of 3.4 ounces but they are subject to additional screening such as ETD testing.
Question 59: A passenger wearing a back brace alarms both the WTMD and AIT. The best screening approach is:
- Ask the passenger to remove the brace for X-ray screening
- Clear the passenger automatically since a brace is a known medical device
- Refer to law enforcement without further TSO action
- Pat down over the brace, swab it with ETD, and conduct visual inspection if appropriate (Correct answer)
Correct answer: Pat down over the brace, swab it with ETD, and conduct visual inspection if appropriate
Medical braces that alarm should be screened via pat-down over the device, ETD swabbing, and visual inspection as appropriate.
Question 60: During a pat-down, what should the TSO do with their hands when transitioning between body regions?
- Briefly lift hands away between regions and announce the next area being checked (Correct answer)
- Keep hands in continuous contact to maintain efficiency
- Switch to the other hand between each region
- Return to the passenger's shoulders before each new region
Correct answer: Briefly lift hands away between regions and announce the next area being checked
Officers should lift hands and announce what area they will check next before transitioning, ensuring transparency and passenger awareness.
Question 61: What is the purpose of the TSA Applicant Medical Questionnaire submitted during the hiring process?
- To assess mental health history for psychological screening
- To identify medical conditions that may affect ability to perform essential job functions (Correct answer)
- To determine eligibility for health insurance benefits
- To establish baseline health for future workers' compensation claims
Correct answer: To identify medical conditions that may affect ability to perform essential job functions
The medical questionnaire helps TSA determine whether any medical conditions would prevent the applicant from performing the essential physical and cognitive functions required of a TSO.
Question 62: A passenger asks a TSO for a private screening area. The TSO should:
- Deny the request as it creates a security risk
- Ask the passenger to waive screening if they are uncomfortable in public
- Conduct the pat-down publicly and explain the passenger has no right to privacy
- Accommodate the request by conducting screening in a private room with a witness present (Correct answer)
Correct answer: Accommodate the request by conducting screening in a private room with a witness present
Passengers have the right to request private screening, which TSA accommodates with a witness present to ensure transparency and dignity.
Question 63: What does AIT stand for in TSA checkpoint operations?
- Advanced Imaging Technology (Correct answer)
- Airport Identification Terminal
- Automated Imaging Technology
- Authorized Inspection Tool
Correct answer: Advanced Imaging Technology
AIT stands for Advanced Imaging Technology, which includes millimeter wave scanners used at TSA checkpoints.
Question 64: Which of the following tools is generally permitted in a passenger's carry-on baggage, according to TSA regulations?
- A cordless power drill with the battery pack installed.
- A screwdriver that is 6 inches long. (Correct answer)
- A hammer with a 10-inch handle.
- A crowbar.
Correct answer: A screwdriver that is 6 inches long.
TSA regulations generally permit tools that are 7 inches or less in length to be carried in carry-on baggage. Hammers, crowbars, and power tools must be placed in checked baggage. A 6-inch screwdriver falls within the acceptable size limit for carry-on items.
Question 65: During X-ray screening, a TSO identifies a shape consistent with a handgun inside a carry-on bag. What is the TSO's immediate required action upon identifying this threat?
- Notify a supervisor and local law enforcement without touching the bag. (Correct answer)
- Allow the bag to continue and alert officers at the boarding gate.
- Open the bag immediately at the console to remove the item.
- Ask the passenger if they have a license for the item.
Correct answer: Notify a supervisor and local law enforcement without touching the bag.
Upon visual identification of a firearm on the X-ray screen, TSA procedure requires the TSO to immediately notify law enforcement. TSOs are not to open the bag or handle the firearm themselves; this is the responsibility of law enforcement officers who will respond to the checkpoint, secure the weapon, and engage with the passenger.
Question 66: What is the purpose of Behavioral Detection Officers (BDOs) within TSA screening operations?
- To process expedited screening for frequent flyers
- To conduct random drug testing of TSA employees
- To manage crowd flow and reduce checkpoint wait times
- To identify potentially high-risk individuals through observable behavioral indicators (Correct answer)
Correct answer: To identify potentially high-risk individuals through observable behavioral indicators
BDOs use behavior detection techniques to identify passengers displaying indicators of stress, fear, or deception that may suggest a security threat.
Question 67: A passenger begins recording video of the checkpoint with their phone. Under TSA guidelines, a TSO should:
- Block the camera with your hand and order them to stop
- Inform the passenger that photography is generally permitted in public areas of the airport but must not interfere with screening (Correct answer)
- Immediately confiscate the phone and detain the passenger
- Ignore it completely since there is no policy on recording
Correct answer: Inform the passenger that photography is generally permitted in public areas of the airport but must not interfere with screening
TSA acknowledges First Amendment considerations and generally permits photography in public airport areas as long as it does not interfere with security operations.
Question 68: A passenger claims a religious head covering prevents them from removing it for inspection. How should the TSO respond?
- Ask the passenger to pat down their own head covering while the officer observes
- Bypass screening of the head covering entirely
- Require removal of the head covering or deny boarding
- Conduct an officer pat-down of the head covering and offer private screening (Correct answer)
Correct answer: Conduct an officer pat-down of the head covering and offer private screening
TSA accommodates religious head coverings by offering a private screening and conducting an officer pat-down of the covering.
Question 69: How much liquid is a passenger permitted to carry in a single container in their carry-on under TSA's 3-1-1 rule?
- Up to 6 ounces (177 ml)
- Up to 3.4 ounces (100 ml) (Correct answer)
- Up to 2 ounces (59 ml)
- Up to 4 ounces (118 ml)
Correct answer: Up to 3.4 ounces (100 ml)
The TSA 3-1-1 rule limits each liquid container to 3.4 ounces (100 ml) or less per item.
Question 70: A supervisor asks a TSO to pass a bag through screening without full inspection due to long lines. The TSO should:
- Request a written order before complying
- Screen only the outside of the bag quickly
- Comply to maintain checkpoint throughput
- Refuse and follow standard screening procedures (Correct answer)
Correct answer: Refuse and follow standard screening procedures
TSOs must follow all standard screening procedures regardless of queue length or supervisor pressure that violates protocol.
Question 71: What should a TSO do if they notice a bag left unattended near the checkpoint with no visible owner?
- Ignore it if it appears small and harmless
- Open it to search for identification
- Move it to lost and found immediately
- Treat it as a potential threat, keep people away, and notify law enforcement per protocol (Correct answer)
Correct answer: Treat it as a potential threat, keep people away, and notify law enforcement per protocol
Unattended baggage is treated as a potential security threat; TSOs must follow protocol by securing the area and notifying law enforcement.
Question 72: If a passenger refuses to complete a pat-down after initially agreeing, the TSO should:
- Allow the passenger to proceed without further screening
- Forcibly complete the screening for security reasons
- Inform the passenger they will not be permitted to fly and notify a supervisor (Correct answer)
- Offer the passenger an alternative form of ID verification
Correct answer: Inform the passenger they will not be permitted to fly and notify a supervisor
A passenger who refuses to complete a required pat-down cannot be permitted to enter the sterile area and the officer must notify a supervisor.
Question 73: Which type of knife is permitted in carry-on baggage under current TSA rules?
- A folding knife with a 3-inch blade
- A 2-inch pocket knife with a non-locking blade
- A plastic or round-bladed butter knife (Correct answer)
- A Swiss Army knife with scissors under 4 inches
Correct answer: A plastic or round-bladed butter knife
Plastic knives and round-bladed butter knives are permitted in carry-on baggage; all other knives (including pocketknives) are prohibited.
Question 74: A TSO is completing an incident report and is unsure about one detail. What is the best course of action?
- Leave the field blank and submit the report without it
- Estimate the detail based on what seems most likely
- Note that the detail is uncertain and consult available information or witnesses (Correct answer)
- Ask a coworker to fill in the uncertain detail for you
Correct answer: Note that the detail is uncertain and consult available information or witnesses
Incident reports must be accurate; uncertain details should be flagged as such and verified using available resources before or after submission.
Question 75: A TSO detects what appears to be a firearm magazine loaded with cartridges in a carry-on bag. The correct procedure is to:
- Allow the item if the passenger has a concealed carry permit
- Remove the magazine and allow the rest of the bag to proceed
- Alarm the lane, notify a supervisor, and follow the prohibited item resolution process (Correct answer)
- Ask the passenger to unload the magazine at the checkpoint
Correct answer: Alarm the lane, notify a supervisor, and follow the prohibited item resolution process
Firearms and ammunition are prohibited in carry-on baggage; the item must be resolved through the prohibited item process regardless of permits.
Question 76: Which of the following is permitted in carry-on baggage?
- Compressed gas cylinder (scuba tank)
- Pepper spray canister
- Aerosol insecticide (16 oz)
- CO2 cartridge bicycle tire inflator (small, max 75g CO2) (Correct answer)
Correct answer: CO2 cartridge bicycle tire inflator (small, max 75g CO2)
Small CO2 cartridges up to 75g used for bicycle tires are permitted in carry-on; the other items are prohibited due to compressed gas or hazardous content.
Question 77: Which of the following is the primary purpose of conducting a pat-down screening at an airport security checkpoint?
- To find undeclared currency or illegal narcotics.
- To identify passengers who appear nervous or suspicious.
- To ensure all passengers have a valid boarding pass and ID.
- To detect concealed prohibited items and other threats to transportation security. (Correct answer)
Correct answer: To detect concealed prohibited items and other threats to transportation security.
The fundamental reason for a pat-down is to determine if prohibited items, particularly weapons or explosives, are hidden under a person's clothing. It is a security measure used to resolve alarms or as an alternative to AIT screening to ensure no threats pass into the sterile area of the airport.
Question 78: What is the primary reason TSOs are required to wear uniforms and display credentials while on duty?
- To distinguish TSOs from airline personnel for boarding purposes
- To establish visible authority, deter threats, and allow passengers to identify officials (Correct answer)
- To make TSOs easier to photograph for official ID purposes
- To comply with airport dress code regulations for all airport employees
Correct answer: To establish visible authority, deter threats, and allow passengers to identify officials
Uniforms and visible credentials establish TSO authority, provide accountability, and allow passengers to identify and approach security personnel.
Question 79: How often are TSOs required to test screening equipment such as X-ray machines and ETD devices?
- Annually during TSA audits only
- Once a week regardless of use
- At intervals specified by TSA standard operating procedures, typically at the start of each shift (Correct answer)
- Only when a malfunction is reported
Correct answer: At intervals specified by TSA standard operating procedures, typically at the start of each shift
TSA SOPs require equipment testing at regular intervals, typically at the start of each shift, to ensure operational accuracy and reliability.
Question 80: Which of the following is an example of 'Standard Operating Procedure' (SOP) compliance for a TSO?
- Applying shortcuts learned from experienced coworkers to increase efficiency
- Following all TSA-prescribed steps for each screening task as written in official guidance (Correct answer)
- Adapting screening techniques based on personal experience with similar passengers
- Skipping documentation steps when no prohibited items are found
Correct answer: Following all TSA-prescribed steps for each screening task as written in official guidance
SOP compliance means following all prescribed steps exactly as written in official TSA guidance, without improvisation.
Question 81: According to the 3-1-1 rule for liquids, what does the '1' represent?
- Only 1 liquid item is allowed per passenger.
- Passengers are allowed 1 liter of liquids in total.
- All liquid containers must fit in 1 clear, quart-sized, zip-top bag. (Correct answer)
- Liquids must be in 1-ounce containers.
Correct answer: All liquid containers must fit in 1 clear, quart-sized, zip-top bag.
The 3-1-1 rule specifies that liquids, gels, and aerosols must be in containers of 3.4 ounces (100ml) or less; all containers must fit into 1 quart-sized, clear, plastic, zip-top bag; and each passenger is limited to 1 bag.
Question 82: On an X-ray image, a dense object is partially hidden behind a shoe. What is the recommended technique to better evaluate the obscured item?
- Clear the bag because the shoe likely caused a false positive
- Ask the passenger to remove the shoe from the bag so both items can be screened separately (Correct answer)
- Increase the X-ray machine's voltage to penetrate through the shoe
- Approve the bag and document the obscured area for post-screening audit
Correct answer: Ask the passenger to remove the shoe from the bag so both items can be screened separately
Separating overlapping items through a physical bag check or re-screening resolves superimposition and ensures thorough evaluation of both objects.
Question 83: While analyzing an X-ray image of a carry-on bag, a TSO observes an object that displays as a dense, dark blue color. The item is uniformly shaped and lacks any moving parts or wires. Based on standard color interpretation, which of the following is the most likely category for this item?
- A plastic water bottle filled with liquid
- A collection of paper documents
- A dense metal object, such as a firearm component (Correct answer)
- A block of cheese
Correct answer: A dense metal object, such as a firearm component
On a standard X-ray scanner display, different colors represent different material densities. Blue typically indicates dense, inorganic materials like metals. Organic materials, such as food (cheese) and paper, appear as orange. Less dense materials like plastics may appear green or orange. Therefore, a dense, dark blue object is most indicative of metal, which could be a firearm or another prohibited item.
Question 84: A traveler claims they have a medical implant that will alarm the walk-through metal detector. What is the TSO's appropriate response?
- Require a doctor's note before proceeding
- Deny them access to the checkpoint
- Note the claim and conduct alternative screening such as AIT or a pat-down (Correct answer)
- Waive all screening based on the traveler's statement
Correct answer: Note the claim and conduct alternative screening such as AIT or a pat-down
Passengers with medical implants are offered alternative screening methods like AIT or a pat-down; no documentation is legally required.
Question 85: The TSA 'Automated Screening Lane' (ASL) certification requires TSOs to demonstrate proficiency in:
- Only manual bag search procedures
- Programming the lane's conveyor belt speed settings
- Operating the automated lane technology and managing passenger flow through the enhanced screening system (Correct answer)
- Conducting passenger interviews at the automated lane entry point
Correct answer: Operating the automated lane technology and managing passenger flow through the enhanced screening system
ASL certification requires TSOs to be proficient in operating the technology and managing the passenger flow through this advanced screening system.
Question 86: What is a 'private screening' and when should it be offered?
- A remote video screening option
- A screening reserved for TSA PreCheck members only
- A screening conducted out of public view at a passenger's request or when sensitive areas must be screened (Correct answer)
- A screening done in a back office for all first-class passengers
Correct answer: A screening conducted out of public view at a passenger's request or when sensitive areas must be screened
Private screening is offered when a passenger requests it or when a pat-down involves sensitive areas of the body, ensuring dignity and privacy.
Question 87: TSA's English language proficiency requirement for TSO candidates exists primarily because:
- TSOs must communicate clearly with passengers, colleagues, and law enforcement in English (Correct answer)
- Federal law prohibits bilingual screening personnel
- Most security threats involve non-English-speaking passengers
- TSA SOPs are only available in English and cannot be translated
Correct answer: TSOs must communicate clearly with passengers, colleagues, and law enforcement in English
Clear English communication is operationally essential for TSOs to direct passengers, coordinate with teams, and relay security information.
Question 88: When must TSOs use fresh gloves during a physical search?
- Gloves are optional at TSO discretion
- Only when the previous passenger had visible dirt on their belongings
- Before each new passenger search to prevent cross-contamination (Correct answer)
- Only when searching children
Correct answer: Before each new passenger search to prevent cross-contamination
TSOs are required to change gloves between passengers to prevent cross-contamination and maintain screening integrity.
Question 89: How should a TSO handle a passenger traveling with a CPAP machine?
- Allow it without any screening
- Prohibit it entirely due to its electronic components
- Permit it as a carry-on and screen it separately from other bag contents (Correct answer)
- Require the passenger to check it as baggage
Correct answer: Permit it as a carry-on and screen it separately from other bag contents
CPAP machines are allowed as carry-ons and are typically screened separately by placing them in a bin for X-ray imaging.
Question 90: What visual characteristic helps distinguish a grenade from a similarly sized bottle or canister on an X-ray image?
- Grenades produce a completely black image due to their iron casing
- Grenades appear identical to aerosol cans and cannot be distinguished on X-ray alone
- Grenades are always rendered in blue on X-ray systems
- Grenades display a segmented or textured outer casing, a dense fill, and often a visible fuze or pin assembly (Correct answer)
Correct answer: Grenades display a segmented or textured outer casing, a dense fill, and often a visible fuze or pin assembly
Grenades have a characteristic segmented body, dense explosive fill, and fuze hardware that differentiates them from common cylindrical containers.
Question 91: A passenger claims ownership of a bag only after being told it will be abandoned and destroyed. This behavior is:
- Normal behavior for nervous flyers
- A potential indicator of someone who placed an item and is now reassessing (Correct answer)
- A sign of forgetfulness typical of frequent travelers
- Grounds to waive screening
Correct answer: A potential indicator of someone who placed an item and is now reassessing
Delayed claim of ownership, especially after threat of destruction, is a recognized behavioral indicator that warrants additional screening.
Question 92: A TSO is patting down a passenger and feels an item that could be a prohibited item but could also be a medical device. What is the appropriate next step?
- Pat the area again and if unsure, clear the passenger
- Immediately call law enforcement without speaking to the passenger
- Assume it is medical and clear the passenger
- Ask the passenger what the item is and, if not resolved, conduct additional screening per protocols (Correct answer)
Correct answer: Ask the passenger what the item is and, if not resolved, conduct additional screening per protocols
Officers should ask the passenger about the item and, if the explanation does not resolve the concern, escalate to additional screening per standard protocols.
Question 93: Which federal law primarily governs the establishment and authority of the Transportation Security Administration?
- Homeland Security Act of 2002
- Patriot Act of 2001
- Aviation and Transportation Security Act (ATSA) of 2001 (Correct answer)
- Federal Aviation Act of 1958
Correct answer: Aviation and Transportation Security Act (ATSA) of 2001
The Aviation and Transportation Security Act of 2001 created the TSA following the September 11 attacks.
Question 94: How often are Transportation Security Officers required to complete refresher training?
- Every 6 months
- Every year
- Once in a lifetime
- Every 3-5 years (Correct answer)
Correct answer: Every 3-5 years
To maintain their certification and ensure they remain proficient with evolving security threats and technologies, Transportation Security Officers are required to complete refresher training periodically. This typically occurs every 3-5 years, aligning with the recertification cycle. Regular training ensures TSOs are up-to-date on the latest security protocols, equipment, and best practices.
Question 95: Which of the following liquids is EXEMPT from the 3-1-1 rule when carried in reasonable quantities?
- Sunscreen (6 oz tube)
- Hair gel in a 5 oz container
- Cologne (4 oz bottle)
- Baby formula and breast milk for infants traveling with the passenger (Correct answer)
Correct answer: Baby formula and breast milk for infants traveling with the passenger
Baby formula, breast milk, and juice for infants or toddlers are exempt from the 3-1-1 rule in reasonable quantities when a child is traveling with the passenger.
Question 96: During a pat-down, the TSO notices the passenger is visibly distressed and crying. What is the best action?
- Call for a behavioral detection officer before proceeding
- Immediately stop and let the passenger go to avoid further distress
- Pause, acknowledge the passenger's feelings, offer private screening if not already offered, and continue professionally (Correct answer)
- Proceed without acknowledgment to finish quickly
Correct answer: Pause, acknowledge the passenger's feelings, offer private screening if not already offered, and continue professionally
Officers should acknowledge distress, ensure the passenger is aware of all options including private screening, and continue professionally.
Question 97: The concept of 'layers of security' in aviation means:
- Baggage goes through multiple X-ray machines
- TSA employs multiple ranks of officers
- Passengers must pass through multiple ticket counters
- Multiple independent security measures work together so that failure of one does not mean total failure (Correct answer)
Correct answer: Multiple independent security measures work together so that failure of one does not mean total failure
Layered security ensures that no single point of failure can compromise the entire system, with measures including intel, behavior detection, document checks, and screening.
Question 98: A TSO identifies a perfectly circular, dense blue object with several smaller, distinct blue shapes inside it on the X-ray screen. The overall shape is consistent with a grenade. Which feature is the most critical indicator of a potential threat in this image?
- The presence of organic materials packed around the object.
- The object's placement in the corner of the bag.
- The recognizable and characteristic shape of a prohibited item. (Correct answer)
- The blue color, which is common for many harmless items.
Correct answer: The recognizable and characteristic shape of a prohibited item.
While color indicates the material's density, the primary factor for identifying a threat is its shape and structure. A TSO is trained to recognize the specific shapes and components of threat items like firearms and improvised explosive devices (IEDs). The characteristic shape of a grenade, regardless of its color, is a significant indicator of a threat that requires immediate action.
Question 99: During X-ray screening, a TSO encounters a laptop computer inside a carry-on bag. The image of the laptop displays a mixture of green, blue, and some orange components. Why does the laptop appear with multiple colors?
- The laptop is made of a single, unknown material that reflects all colors.
- The X-ray machine is malfunctioning and showing incorrect colors.
- It contains a complex mix of materials, including plastics, metals, and a circuit board. (Correct answer)
- Laptops are exempt from standard color-coding rules.
Correct answer: It contains a complex mix of materials, including plastics, metals, and a circuit board.
Electronic devices like laptops are made from a variety of materials. The green color indicates a mix of organic and inorganic components (like the circuit board), blue indicates dense metals (in ports and internal structures), and orange can represent lighter plastics or other organic parts. This mixture of colors is characteristic of complex electronic items.
Question 100: Under what condition may a TSO conduct a pat-down on a minor?
- Only when the minor alarms the screening equipment and alternative resolution is not possible, with a parent or guardian present (Correct answer)
- Whenever a supervisor requests it
- Only for international flights
- Never under any circumstance
Correct answer: Only when the minor alarms the screening equipment and alternative resolution is not possible, with a parent or guardian present
Pat-downs of minors follow strict TSA protocols, are only conducted when necessary, and should be performed with a parent or guardian present.
Question 101: What is the standard procedure regarding pat-downs for passengers who identify as a different gender than what might be perceived?
- Pat-downs in such cases are only conducted by a lead or supervisory TSO.
- The pat-down is conducted by an officer of the same gender as the passenger purports themselves to be. (Correct answer)
- The passenger must present identification verifying their gender before the pat-down.
- A pat-down must be conducted by two TSOs, one of each gender.
Correct answer: The pat-down is conducted by an officer of the same gender as the passenger purports themselves to be.
TSA policy dictates that pat-downs are conducted by an officer of the same gender as the passenger. A passenger's gender is based on what they state it to be, and this procedure is to be handled with professionalism and respect.
Question 102: Which of the following best describes the chain of custody for a prohibited item found at a checkpoint?
- The item is destroyed on-site immediately
- The item is documented, secured, and handed off to law enforcement or a supervisor following established procedures (Correct answer)
- The passenger is allowed to mail the item home from the airport
- The TSO keeps the item until the passenger boards
Correct answer: The item is documented, secured, and handed off to law enforcement or a supervisor following established procedures
Prohibited items must be properly documented and handled through the chain of custody to ensure accountability and legal compliance.
Question 103: An X-ray image shows a dense rectangular mass in the corner of a bag with wires visible nearby. What is the priority action?
- Flag the bag for additional screening and alert a supervisor (Correct answer)
- Clear the bag and allow the passenger to proceed
- Ask the passenger if the item is a battery pack and accept their word
- Continue screening other passengers while noting the bag
Correct answer: Flag the bag for additional screening and alert a supervisor
Dense masses combined with visible wiring are indicators of a potential IED and require immediate escalation to additional screening and supervisor notification.
Question 104: A TSO notices a passenger behaving nervously and avoiding eye contact at the checkpoint. What is the BEST initial action?
- Apply behavior detection principles and observe for additional indicators (Correct answer)
- Skip the passenger to avoid profiling allegations
- Ask the passenger directly if they are hiding something
- Immediately detain the passenger and call law enforcement
Correct answer: Apply behavior detection principles and observe for additional indicators
TSOs trained in behavior detection should observe for multiple indicators before escalating, avoiding snap judgments.
Question 105: A TSO observes an X-ray image of a dense, cylindrical object with wires leading to a small rectangular box. The passenger states it is a homemade portable speaker. Which factor is MOST critical for the TSO to consider when determining if this is a threat?
- The brand name of the electronic components.
- Whether the speaker is functional.
- The passenger's travel destination.
- The object's resemblance to a pipe bomb, regardless of the passenger's explanation. (Correct answer)
Correct answer: The object's resemblance to a pipe bomb, regardless of the passenger's explanation.
Threat recognition training emphasizes identifying the components and characteristics of IEDs. A dense pipe-like object (confinement), wires (conductor), and a rectangular box (potential power source/switch) are all hallmarks of a pipe bomb. While it could be a benign item, the resemblance to a known threat requires the TSO to follow protocol for a potential threat and not accept the passenger's explanation at face value.
Question 106: A passenger is traveling with medically necessary liquids in a container larger than 3.4 ounces. Which of the following is the correct procedure for the TSO to follow?
- Confiscate the item as it exceeds the 3-1-1 rule limit.
- Inform the passenger that the item requires additional screening and separate it from other belongings. (Correct answer)
- Allow the item but require the passenger to check it in their baggage.
- Instruct the passenger to discard a portion of the liquid until it is less than 3.4 ounces.
Correct answer: Inform the passenger that the item requires additional screening and separate it from other belongings.
TSA procedures allow for medically necessary liquids in amounts greater than 3.4 ounces, but they must be declared to an officer and undergo additional screening, which may include X-ray, bottled liquid scanning, or other methods.
Question 107: What is the purpose of the random additional screening (SSSS) designation on a boarding pass?
- It flags a passenger for secondary security screening (Correct answer)
- It marks unaccompanied minors for extra attention
- It indicates a passenger needs wheelchair assistance
- It identifies TSA PreCheck members for expedited screening
Correct answer: It flags a passenger for secondary security screening
SSSS (Secondary Security Screening Selection) indicates a passenger has been selected for enhanced security screening at the checkpoint.
Question 108: ETD screening may be used as an alternative screening method to which technology?
- Handheld metal detection wands (HHMD)
- Document verification scanning systems
- Advanced Imaging Technology (AIT) (Correct answer)
- X-ray baggage screening conveyors
Correct answer: Advanced Imaging Technology (AIT)
ETD can be used as an alternative to Advanced Imaging Technology (AIT) for passengers who opt out or who cannot use the AIT machine.
Question 109: Which action is a TSO required to take if a passenger becomes aggressive or threatening at the checkpoint?
- Ask other passengers to assist
- De-escalate verbally and immediately notify law enforcement or airport police (Correct answer)
- Physically restrain the passenger alone
- Continue screening to minimize disruption
Correct answer: De-escalate verbally and immediately notify law enforcement or airport police
TSOs are trained to de-escalate verbally while immediately summoning law enforcement for aggressive or threatening behavior.
Question 110: Which of the following describes the correct SOP for screening a container with cremated remains?
- The TSO must open the container to visually inspect the contents and test for explosives.
- The container is exempt from all screening out of respect for the deceased.
- The container must be screened by the X-ray system, and under no circumstances should it be opened. (Correct answer)
- The container must undergo Explosive Trace Detection (ETD) swabbing as the primary screening method.
Correct answer: The container must be screened by the X-ray system, and under no circumstances should it be opened.
The SOP for screening cremated remains requires them to pass through the X-ray system. To treat the remains with respect, TSOs are explicitly prohibited from opening the container, even if requested by the passenger. If the X-ray operator cannot clear the container, it will not be allowed into the sterile area.
Transportation Security Officer (TSO) Certification Exam
The TSA Computer-Based Test (CBT) evaluates candidates for Transportation Security Officer positions, assessing their ability to identify prohibited items via X-ray image interpretation, apply checkpoint screening procedures, conduct pat-downs, and maintain professional conduct during security incidents.
Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds