ALOA Proficiency Registration Program (PRP) Certification — Questions and Answers

Question 1: What is the key difference between a spring latch and a deadlatch regarding bypass vulnerability?

A deadlatch retracts with a handle
A spring latch is harder to pick
A deadlatch has an auxiliary plunger that locks the bolt when the door is closed, preventing loiding (Correct answer)
A spring latch requires a key to retract

Correct answer: A deadlatch has an auxiliary plunger that locks the bolt when the door is closed, preventing loiding

A deadlatch plunger depresses when the door closes, locking the latch bolt solid and making it immune to loiding or credit-card bypass.

Question 2: What is a 'laser cut' (sidewinder) automotive key?

A key cut by a laser engraver for security marking
A key with the bitting cut into the center of the blade in a winding pattern, requiring a specialized laser cutter (Correct answer)
A key with an RFID chip inside the blade
A key cut to maximum depth for bumping

Correct answer: A key with the bitting cut into the center of the blade in a winding pattern, requiring a specialized laser cutter

Laser-cut (sidewinder) keys have the bitting cut into the center or side of a thicker blade in a winding pattern, providing higher security and requiring specialized cutting equipment.

Question 3: What is 'pinning to the bitting' vs. 'pinning to the code' in lock re-keying?

Pinning to the bitting uses maximum depth pins; pinning to the code uses minimum depth pins
They are different terms for the same process
Pinning to the bitting uses an existing key to determine pin heights; pinning to the code uses the key's numerical code from a code book or database (Correct answer)
Pinning to the code is used only for master key systems

Correct answer: Pinning to the bitting uses an existing key to determine pin heights; pinning to the code uses the key's numerical code from a code book or database

Pinning to the bitting measures an existing key's cuts to determine pin heights, while pinning to the code looks up the numerical key code and selects pins based on the depth table.

Question 4: What does ADA (Americans with Disabilities Act) require regarding door hardware on accessible routes?

Hardware must be electronic and keypad-operated
Hardware must be operable with one hand without tight grasping, pinching, or twisting, and must require no more than 5 lbf to operate (Correct answer)
Hardware must be installed at chair-height (18 inches AFF)
All doors on accessible routes must have lever handles only

Correct answer: Hardware must be operable with one hand without tight grasping, pinching, or twisting, and must require no more than 5 lbf to operate

ADA Standards require accessible hardware to be operable with one hand, without tight grasp or wrist twist, and with no more than 5 pounds of force — which is why lever handles are preferred over round knobs.

Question 5: Which key machine type uses a stylus to trace an existing key and reproduce the cuts on a blank?

OBDII programmer
Mechanical duplicator (pantograph-style) (Correct answer)
Code cutter
Laser key machine

Correct answer: Mechanical duplicator (pantograph-style)

A mechanical duplicator or pantograph machine traces an existing key with a stylus, mechanically transferring the cut pattern to a blank key simultaneously.

Question 6: Which type of hinge allows a door to swing both inward and outward from a centered closed position?

Ball-bearing hinge
Piano (continuous) hinge
Security stud hinge
Double-acting hinge (Correct answer)

Correct answer: Double-acting hinge

A double-acting hinge (also called a double-swing or saloon hinge) allows the door to swing in both directions, returning to center when released.

Question 7: What is the ALOA annual convention (ALOA Convention & SecurityExpo) primarily designed for?

Government regulation of the locksmith industry
Certification testing only
Professional development, continuing education, industry networking, and product demonstrations for locksmith professionals (Correct answer)
New product sales to consumers

Correct answer: Professional development, continuing education, industry networking, and product demonstrations for locksmith professionals

ALOA's annual convention combines seminars, hands-on training, certification testing, and an industry trade show — making it the premier professional development event for locksmiths.

Question 8: Which tool category allows automotive locksmiths to read and write transponder data and program new keys to a vehicle's ECU?

Laser key cutter
Slim Jim tool set
Automotive key programmer / OBDII programmer (Correct answer)
Depth and space gauge

Correct answer: Automotive key programmer / OBDII programmer

Automotive key programmers (such as Autel, Xhorse, or Advanced Diagnostics tools) connect via OBDII or direct to the immobilizer to read security data and program new transponder keys.

Question 9: What does the term 'handed' mean when referring to door hardware?

The hardware is designed for a specific left-hand or right-hand door swing orientation (Correct answer)
The hardware requires manual installation by a certified technician
The hardware includes handles on both sides of the door
The hardware is operated without any tools

Correct answer: The hardware is designed for a specific left-hand or right-hand door swing orientation

'Handed' hardware is manufactured for a specific swing direction and cannot be reversed without modification, so the correct hand must be determined before ordering.

Question 10: Which access control door hardware provides motorized deadbolt locking from the access control system?

Electrified knob
Electric deadbolt (electric bolt) (Correct answer)
Electric strike
Magnetic lock

Correct answer: Electric deadbolt (electric bolt)

An electric deadbolt (or electric bolt) is a motorized or solenoid-driven bolt that extends and retracts under access control system command.

Question 11: If the entire cylinder is turning inside a car lock, the cause could be:

None of the above
The key is blocked
A broken key
A damaged or loose set screw (Correct answer)

Correct answer: A damaged or loose set screw

Explanation: If the entire cylinder is turning inside a car lock, it is likely due to a damaged or loose set screw. The set screw is responsible for securing the cylinder in place, and if it is damaged or loose, the cylinder may rotate freely. A broken key or a blocked key would not cause the entire cylinder to turn.

Question 12: What is a 'surety bond' and why do locksmiths often carry one?

A bond required to purchase restricted key blanks
A performance guarantee from the locksmith's manufacturer
An insurance policy that covers locksmith tools
A financial guarantee that protects customers if the locksmith causes damage or fails to perform contracted work, providing recourse for losses (Correct answer)

Correct answer: A financial guarantee that protects customers if the locksmith causes damage or fails to perform contracted work, providing recourse for losses

A surety bond is a three-party agreement where the bonding company guarantees the locksmith's performance, protecting customers from financial loss due to negligence or misconduct.

Question 13: What is a 'swing bolt' locking mechanism in a safe?

A decorative bolt on the exterior of the safe door
A spring-loaded bolt that retracts when a lever is pulled
A bolt that automatically swings open when the combination is correct
A locking bolt that pivots on a pin rather than sliding linearly, providing strong resistance to prying (Correct answer)

Correct answer: A locking bolt that pivots on a pin rather than sliding linearly, providing strong resistance to prying

Swing bolts pivot on a pin to engage the door frame, making them highly resistant to pry attacks because the bolt's geometry redirects prying force into the door frame rather than shearing the bolt.

Question 14: What is the primary advantage of a magnetic lock (maglock) over an electric strike?

No moving parts means longer service life and less mechanical wear (Correct answer)
It works without electricity
It can be installed on outswing doors only
It is cheaper to install

Correct answer: No moving parts means longer service life and less mechanical wear

Magnetic locks have no moving parts, making them extremely durable with minimal mechanical wear compared to electric strikes with moving keeper components.

Question 15: A biometric access control system identifies users by which method?

Proximity cards containing stored IDs
Wiegand wire signals
PIN codes entered on a keypad
Unique physical or behavioral characteristics such as fingerprints, iris patterns, or facial recognition (Correct answer)

Correct answer: Unique physical or behavioral characteristics such as fingerprints, iris patterns, or facial recognition

Biometric systems authenticate users by measuring and comparing unique physiological or behavioral traits against a stored template.

Question 16: When performing an automotive lockout service on a newer vehicle, why should locksmiths avoid using metal Slim Jim tools on most modern cars?

They are too short for modern door frames
They require a locksmith license to use legally
They can damage wiring, airbag sensors, and weather stripping, and may trigger airbag deployment (Correct answer)
They cannot reach the lock linkage in SUVs

Correct answer: They can damage wiring, airbag sensors, and weather stripping, and may trigger airbag deployment

Modern vehicles route airbag wiring and complex electronic linkages through the door, making metal Slim Jim tools dangerous — they can trigger airbag deployment or destroy wiring harnesses.

Question 17: What does 'keying different' (KD) mean?

Locks are keyed so no two locks share any bitting in common
All locks operate with different master keys
Each lock in a group operates with its own unique key and no others in the group (Correct answer)
Each lock requires two different keys to open

Correct answer: Each lock in a group operates with its own unique key and no others in the group

Keying different means each lock has a unique change key that operates no other lock, providing maximum individual security while still allowing a master key to operate all.

Question 18: What information does a locksmith typically need to verify before performing an automotive lockout or key service?

A police report for any vehicle work
Only a valid driver's license
Proof of ownership (registration or title) and government-issued ID matching the vehicle owner (Correct answer)
The vehicle's VIN number alone

Correct answer: Proof of ownership (registration or title) and government-issued ID matching the vehicle owner

Locksmiths should verify proof of ownership (registration or title) and a matching ID to confirm the requester is the legal owner before servicing a vehicle.

Question 19: When a key turns hard in a car door cylinder, it is often the result of:

A broken lock
A screwdriver that was shoved into it
Bugs in the lock
An improperly bent rod (Correct answer)

Correct answer: An improperly bent rod

Explanation: When a key turns hard in a car door cylinder, it is often the result of an improperly bent rod. The rod connects the key cylinder to the door latch mechanism, and if it is bent incorrectly, it can cause friction and difficulty in turning the key. This can happen due to wear and tear over time or improper installation.

Question 20: Which legal concept makes a locksmith potentially liable if they service a lock for an unauthorized person who then uses access to commit a crime?

Vicarious liability only applies to employers
Negligence — failing to exercise reasonable care (like verifying authorization) that foreseeably leads to harm (Correct answer)
Respondeat superior
Strict liability

Correct answer: Negligence — failing to exercise reasonable care (like verifying authorization) that foreseeably leads to harm

A locksmith can be found negligent if they fail to take reasonable steps (like verifying authorization) and a foreseeable harm results — this is why authorization verification is both ethical and legally protective.

Question 21: Which ALOA-recognized ethical principle requires locksmiths to confirm customer identity and legal right before bypassing a lock?

Authorization verification (Correct answer)
Bypass documentation
Impressioning protocol
Key control

Correct answer: Authorization verification

Authorization verification is an ethical and legal requirement for locksmiths to confirm the requester has legal authority over the property before performing bypass services.

Question 22: Which standard defines the mechanical dimensions for cylindrical lock preps used with electrified cylindrical locks?

ANSI/BHMA A156.2 (Correct answer)
NFPA 80
ADA 4.13
UL 294

Correct answer: ANSI/BHMA A156.2

ANSI/BHMA A156.2 covers bored and preassembled locks and latches, including the mechanical prep dimensions for cylindrical lock installation.

Question 23: Which lock picking technique involves applying light rotational tension to the plug while manipulating pins individually?

Impressioning
Bumping
Single Pin Picking (SPP) (Correct answer)
Raking

Correct answer: Single Pin Picking (SPP)

Single Pin Picking (SPP) applies light tension to the plug while individually lifting each pin to the shear line.

Question 24: What is the function of a 'construction master key' (CMK) in new building projects?

A key held by the general contractor for subcontractor access
A key that operates all utility and mechanical rooms
A temporary master key used during construction that is rendered inoperative when the building owner's permanent keys are first used (Correct answer)
A key that only opens exterior doors during construction

Correct answer: A temporary master key used during construction that is rendered inoperative when the building owner's permanent keys are first used

A construction master key allows construction workers access during building but is designed to be disabled (made inoperative) when the permanent change keys or owner's master keys are first inserted.

Question 25: What does ALOA's 'PRP' (Professional Registered Programs) provide to its members?

A proprietary software system for key system design
A partnership program with hardware manufacturers for discounts
A tiered certification pathway including RL, CRL, CPL, CML, and specialty designations recognizing professional competency levels (Correct answer)
A government-endorsed licensing program replacing state licensing

Correct answer: A tiered certification pathway including RL, CRL, CPL, CML, and specialty designations recognizing professional competency levels

ALOA's Professional Registered Programs (PRP) offer a progressive certification pathway that validates locksmiths' knowledge and skills at increasing levels from Registered Locksmith to Certified Master Locksmith.

Question 26: Which fire rating classification indicates a safe has been tested to protect paper documents (ignition point ~350°F) for 1 hour?

UL TL-30 Fire
UL Class 150-1 Hour
NFPA 232
UL Class 350-1 Hour (Correct answer)

Correct answer: UL Class 350-1 Hour

UL Class 350 fire safes are tested to keep the interior below 350°F (the ignition point of paper) for the rated duration (e.g., 1 hour) when exposed to external fire.

Question 27: UL 294 is the standard that applies to which access control component?

Access control system units (panels, readers, software) (Correct answer)
Door closers
Electromagnetic locks
Electric strikes

Correct answer: Access control system units (panels, readers, software)

UL 294 is the Standard for Access Control System Units, covering panels, readers, and related electronic access control equipment.

Question 28: A rim cylinder is normally used in what type of locks?

Profile locks
Deadbolts (Correct answer)
Mortise locks
Lever tumbler locks

Correct answer: Deadbolts

Explanation: A rim cylinder is typically used in deadbolt locks. These cylinders are mounted on the surface of the door rather than being installed within it, making them suitable for deadbolt applications where the lock mechanism is mounted separately from the door handle or knob.

Question 29: What is the NASTF (National Automotive Service Task Force) Vehicle Security Professional (VSP) credential relevant to automotive locksmiths?

A certification for cutting high-security automotive keys
A credentialing program that allows vetted locksmiths to access OEM immobilizer security data and PIN codes (Correct answer)
A license required to work on electric vehicles
A training program for automotive air bag safety

Correct answer: A credentialing program that allows vetted locksmiths to access OEM immobilizer security data and PIN codes

The NASTF VSP credential allows background-checked automotive locksmiths to access OEM security data portals for immobilizer PIN codes and security data needed for key programming.

Question 30: What is 'errors and omissions' (E&O) insurance relevant to locksmith consulting services?

Insurance that covers claims alleging that the locksmith's professional advice or service design caused financial harm due to mistakes or oversights (Correct answer)
Insurance for vehicle accidents
Insurance for tool breakage during a job
Insurance covering employee theft

Correct answer: Insurance that covers claims alleging that the locksmith's professional advice or service design caused financial harm due to mistakes or oversights

E&O insurance (also called professional liability insurance) protects locksmiths who provide security consulting from claims that their advice, system design, or recommendations led to financial loss for the client.

Question 31: What is the purpose of a 'work authorization form' used by professional locksmiths before performing services?

To document the customer's payment method before starting work
To record the key codes cut for each lock
To register the job with the local locksmith licensing board
To document the customer's authorization, describe the work to be performed, and provide written consent protecting the locksmith from liability claims (Correct answer)

Correct answer: To document the customer's authorization, describe the work to be performed, and provide written consent protecting the locksmith from liability claims

A work authorization form documents that the customer authorized the specific services, provides a written record of the work scope, and establishes consent protecting the locksmith against unauthorized-access claims.

Question 32: What is the primary reason a safe door may be difficult to open even after the correct combination is dialed and the handle is turned?

Low battery in an electronic lock
Incorrect combination dialing technique
A triggered relocker from a previous attack
Bolt work binding due to the safe being out of level or the door being under pressure (Correct answer)

Correct answer: Bolt work binding due to the safe being out of level or the door being under pressure

If a safe is not level or the door is under pressure from stacking, the bolt work can bind even with the correct combination, making it impossible to turn the handle.

Question 33: Which federal law regulates the locksmith industry's ability to sell, transfer, or provide certain restricted access devices?

The ALOA Federal Charter
There is no single federal law; the locksmith industry is primarily regulated at the state level with specific federal laws applying to certain products (e.g., gun locks under federal firearms law) (Correct answer)
The Federal Locksmith Regulation Act
The Homeland Security Locksmith Compliance Act

Correct answer: There is no single federal law; the locksmith industry is primarily regulated at the state level with specific federal laws applying to certain products (e.g., gun locks under federal firearms law)

Locksmith regulation is primarily a state responsibility, with individual states enacting licensing, background check, and practice laws; specific products like firearm locks may also be subject to federal regulations.

Question 34: What is a Request-to-Exit (REX) device used for in access control?

To signal the controller that someone is legally exiting so the door alarm is suppressed (Correct answer)
To monitor door position
To request entry from outside
To reset a locked-out credential

Correct answer: To signal the controller that someone is legally exiting so the door alarm is suppressed

A REX device (motion sensor or push button) detects egress and suppresses the door alarm to prevent false alarms when authorized users exit.

Question 35: The Wiegand protocol is used in access control primarily for what purpose?

Transmitting credential data from a reader to an access control panel (Correct answer)
Communicating between controllers over a network
Programming lock firmware
Encrypting card data

Correct answer: Transmitting credential data from a reader to an access control panel

Wiegand is a legacy communication protocol used to send card data (typically 26-bit format) from a reader to an access control panel.

Question 36: What is a 'proximity key' or 'smart key' in modern vehicles?

A standard transponder key with an embedded chip
A key programmed via a 10-cut laser machine
A key fob that communicates with the vehicle wirelessly and allows push-button starting without inserting a key (Correct answer)
A key that opens doors with a mechanical backup only

Correct answer: A key fob that communicates with the vehicle wirelessly and allows push-button starting without inserting a key

Proximity (smart) keys use low-frequency radio communication to authenticate with the vehicle when the fob is nearby, enabling keyless entry and push-button start.

Question 37: What is a 'deposit safe' or 'drop safe' designed to do?

Accept one-way cash or check deposits through a slot without opening the main door, protecting deposits until a manager can remove them (Correct answer)
Automatically count and sort deposited cash
Accept deposits and dispense change
Store cash in a fireproof environment

Correct answer: Accept one-way cash or check deposits through a slot without opening the main door, protecting deposits until a manager can remove them

A drop safe has a one-way deposit slot (hopper) allowing employees to deposit cash or envelopes without access to the main compartment, reducing employee theft risk.

Question 38: Which ALOA professional designation is the entry-level certification requiring passage of a written exam on basic locksmithing knowledge?

Certified Master Locksmith (CML)
Certified Registered Locksmith (CRL)
Certified Professional Locksmith (CPL)
Registered Locksmith (RL) (Correct answer)

Correct answer: Registered Locksmith (RL)

Registered Locksmith (RL) is the entry-level ALOA designation, requiring passage of a written exam demonstrating basic knowledge of locks, keys, and security hardware.

Question 39: What is a 'borescope' used for in safe opening?

A laser tool that cuts through safe walls
A drill guide for precise hole placement
A flexible optical instrument inserted through a drilled hole to view the lock mechanism's wheel positions to determine the combination (Correct answer)
An acoustic device that listens to combination lock feedback

Correct answer: A flexible optical instrument inserted through a drilled hole to view the lock mechanism's wheel positions to determine the combination

A borescope is inserted through a small drilled hole to visually inspect the safe lock's internal components and determine wheel positions, enabling the safe to be opened without full disassembly.

Question 40: Impressioning a lock involves which primary process?

Filing a blank key based on marks left by binding pins (Correct answer)
Picking pins with a hook pick
Decoding a key by sight
Drilling out the lock cylinder

Correct answer: Filing a blank key based on marks left by binding pins

Impressioning inserts a blank key, applies tension, and reads the marks left by binding pins to file cuts to the correct depth.

Question 41: What parts of the key most commonly stop it from deeper insertion in the cylinder than is necessary?

The tip
The bow
A and B (Correct answer)
The shoulder

Correct answer: A and B

Explanation: Both the shoulder and the tip of the key can prevent it from deeper insertion into the cylinder than necessary. The shoulder can hit against the face of the lock, while the tip may come into contact with the back of the keyway.

Question 42: GM 10-cut lock system normally means that the lock has:

An odd number of total cut depths
Five -1 depths
An even number of total cut depths (Correct answer)
Four equal-depth cuts in the 10 spaces

Correct answer: An even number of total cut depths

Explanation: In a GM 10-cut lock system, each side typically has five different depths, resulting in an even total number of cut depths. This system is commonly used in automotive locks for General Motors vehicles.

Question 43: In an access control system, what is the function of the door position switch (DPS)?

To read RFID credentials
To control the electric strike
To monitor whether the door is open or closed and report its status to the access control panel (Correct answer)
To request exit

Correct answer: To monitor whether the door is open or closed and report its status to the access control panel

The door position switch (typically a magnetic reed switch) continuously monitors door open/close status and reports it to the controller for alarm and audit trail purposes.

Question 44: What is a 'grand master key' (GMK) in a master key hierarchy?

A key that operates all locks in the entire system, superseding all master keys and change keys (Correct answer)
A key that operates only the highest-security locks
A key programmed to expire after a set number of uses
A key that opens all fire exits in a building

Correct answer: A key that operates all locks in the entire system, superseding all master keys and change keys

A grand master key sits at the top of a multi-level master key hierarchy and operates every lock in the entire system, across all groups and levels.

Question 45: What does 'fail-secure' mean in an electrified locking device?

The lock cycles between locked and unlocked
The lock unlocks when power is lost
The lock triggers an alarm on power loss
The lock remains locked (secured) when power is lost (Correct answer)

Correct answer: The lock remains locked (secured) when power is lost

A fail-secure lock is electrically locked, meaning it stays locked when power is removed, prioritizing security over free egress.

Question 46: A wafer lock is commonly found in which application?

Mortise cylinders
Residential deadbolts
Filing cabinets and automobile doors (Correct answer)
High-security vaults

Correct answer: Filing cabinets and automobile doors

Wafer locks are low-security locks commonly found in filing cabinets, desk drawers, and older automobile doors.

Question 47: Which type of electric strike allows the door latch to be held in the strike while the door is in the closed position and releases when energized?

Magnetic lock
Fail-safe electric strike
Fail-secure electric strike (Correct answer)
Electric bolt

Correct answer: Fail-secure electric strike

A fail-secure electric strike holds the latch captive when de-energized (locked) and releases it when power is applied (unlocked).

Question 48: Which type of safe lock uses electronic input (keypad) and a motorized bolt to control locking bolts?

Group 2 combination lock
Lever lock
Electronic safe lock (e.g., LaGard, Sargent & Greenleaf 6120) (Correct answer)
Group 1R combination lock

Correct answer: Electronic safe lock (e.g., LaGard, Sargent & Greenleaf 6120)

Electronic safe locks use a keypad to accept a PIN, then drive a motorized cam or bolt to retract the lock's bolt work, allowing the door to open.

Question 49: A skeleton key usually operates:

A tumbler lock
A mortise lock
Handcuffs
A warded lock (Correct answer)

Correct answer: A warded lock

Explanation: A skeleton key typically operates a warded lock. These locks use a simple design where the key has to bypass wards, or obstacles within the lock, to turn the mechanism.

Question 50: Which tool is used to cut carbide-tipped hardplate inside a high-security safe?

Angle grinder with cutting disc
High-speed steel (HSS) drill bits at maximum RPM
Carbide-tipped drill bits rated for hardened steel, often used with a slow drill speed and cutting fluid (Correct answer)
Diamond saw blade

Correct answer: Carbide-tipped drill bits rated for hardened steel, often used with a slow drill speed and cutting fluid

Carbide-tipped drill bits (cobalt or solid carbide) operated at slow speed with cutting fluid (or with frequent pauses to cool) are required to penetrate the hardplate used in high-security safes.

Question 51: Frank Best developed the interchangeable core locks and their most popular manufacturer is:

Chubb Locks
Kwikset
Core Lock Corporation
Best Lock Corporation (Correct answer)

Correct answer: Best Lock Corporation

Explanation: Frank Best developed interchangeable core locks, and the most popular manufacturer of these locks is the Best Lock Corporation. These locks allow for quick and easy replacement of the lock core without disassembling the entire lock, providing convenience and security in commercial settings.

Question 52: The MACS of the Titan by Kwikset is:

7
4 (Correct answer)
2
6

Correct answer: 4

Explanation: The MACS (Maximum Adjacent Cut Specification) of the Titan by Kwikset is 4. This means that the difference between the largest and smallest adjacent cuts on the key should not exceed 4 units. It ensures the key's compatibility with the lock's mechanism.

Question 53: Which picking method uses a serrated pick moved rapidly in and out of the keyway to randomly set multiple pins?

Raking (Correct answer)
Single Pin Picking
Decoding
Impressioning

Correct answer: Raking

Raking uses a serrated or wavy pick moved quickly in and out while applying tension, relying on random pin setting rather than precision.

Question 54: What is the primary difference between a 'commercial' and 'residential' grade lock per ANSI/BHMA ratings?

Commercial locks are all electronic
Commercial locks are larger in physical size
Commercial grade (Grade 1) is tested to higher cycle counts, greater force resistance, and more stringent durability standards than residential Grade 2 or 3 (Correct answer)
Residential locks have higher security ratings

Correct answer: Commercial grade (Grade 1) is tested to higher cycle counts, greater force resistance, and more stringent durability standards than residential Grade 2 or 3

ANSI/BHMA Grade 1 (commercial) locks are tested to withstand 250,000+ cycles and higher force requirements, while Grade 2 and 3 have lower thresholds suitable for residential use.

Question 55: In access control terminology, what does 'fail-safe' mean?

The lock alarms when power is lost
The lock re-locks automatically after access
The lock unlocks (opens) when power is lost (Correct answer)
The lock remains locked when power is lost

Correct answer: The lock unlocks (opens) when power is lost

A fail-safe lock is electrically unlocked, meaning it opens (fails to the safe/egress position) when power is removed.

Question 56: Which NFPA code is most relevant to locksmiths when working on door hardware in commercial buildings regarding egress requirements?

NFPA 72 Fire Alarm Code
NFPA 13 Sprinkler Standard
NFPA 101 Life Safety Code (Correct answer)
NFPA 80 Fire Door Standard

Correct answer: NFPA 101 Life Safety Code

NFPA 101 Life Safety Code governs means of egress requirements including door hardware, locking devices, and maximum force needed to operate doors on egress routes.

Question 57: In a master key system, what is a 'cross-keying' problem?

When a key is cut to work in both vertical and horizontal keyways
When two or more change keys in the same system can operate each other's locks, which is an unintended security flaw (Correct answer)
When the grand master key stops working due to worn pins
When a master key opens a lock in a different building system

Correct answer: When two or more change keys in the same system can operate each other's locks, which is an unintended security flaw

Cross-keying occurs when the combination of master wafers and change key bitting accidentally creates a shear line that allows an unintended change key to open a different lock in the system.

Question 58: What is the correct way to change a combination on a dial combination safe lock?

Drill out the old combination wheels and install new ones
Follow the lock manufacturer's specific procedure, typically dialing to a change index position, inserting a change key, and re-dialing the new combination (Correct answer)
Simply re-number the dial face
Enter the old combination twice followed by the new combination

Correct answer: Follow the lock manufacturer's specific procedure, typically dialing to a change index position, inserting a change key, and re-dialing the new combination

Changing a combination requires the manufacturer's specific procedure using a change key (or change index), which temporarily unlocks the wheel mechanism so new gate positions can be set.

Question 59: What is a 'great grand master key' (GGMK) in a multi-level keying hierarchy?

A key that operates all locks in the system and sits above the grand master key level, typically used for a campus or multi-building complex (Correct answer)
A ceremonial key given to building owners
The highest-security change key in the system
A key that overrides electronic access control

Correct answer: A key that operates all locks in the system and sits above the grand master key level, typically used for a campus or multi-building complex

A great grand master key (GGMK) is a hierarchy level above the grand master key, used in large systems (e.g., university campuses) to provide access to multiple buildings each with their own GMK.

Question 60: Which automotive service involves re-pinning or replacing all lock cylinders in a vehicle so they operate with a new key?

Ignition repair
Key cutting by code
Re-keying or rekeying the vehicle (Correct answer)
Transponder programming

Correct answer: Re-keying or rekeying the vehicle

Re-keying a vehicle involves changing the internal pin configuration of all cylinders (door, ignition, trunk) so they work with a new key, rendering old keys useless.

Question 61: In automotive locksmithing, what does 'all keys lost' (AKL) describe?

A vehicle that needs its door locks re-keyed
A vehicle with a broken ignition cylinder
A situation where no working keys exist for the vehicle, requiring programming of new transponder keys from scratch (Correct answer)
A car with a faulty immobilizer module

Correct answer: A situation where no working keys exist for the vehicle, requiring programming of new transponder keys from scratch

All Keys Lost (AKL) means no existing programmed key is present, requiring the locksmith to use specialized programmer tools to write new key data to the vehicle's immobilizer module.

Question 62: When installing a new safe, what is the primary anchoring recommendation for burglary resistance?

Place the safe in the heaviest corner of the building
Bolt the safe to the floor and/or wall using the manufacturer's anchor points and appropriate hardware (Correct answer)
Install the safe behind a false wall panel
Fill the safe completely to increase its weight

Correct answer: Bolt the safe to the floor and/or wall using the manufacturer's anchor points and appropriate hardware

Anchoring a safe to the floor or wall using manufacturer-provided anchor holes prevents thieves from simply removing and transporting the safe to open it elsewhere.

Question 63: What is the purpose of a door coordinator installed on a pair of doors?

To synchronize electronic access control signals between the two leaves
To coordinate automatic locking during a fire alarm
To ensure the inactive leaf closes before the active leaf (Correct answer)
To prevent both doors from being opened simultaneously

Correct answer: To ensure the inactive leaf closes before the active leaf

A door coordinator controls closing sequence so the inactive leaf (with the overlapping astragal) always closes first, preventing the active leaf from binding against it.

Question 64: Which access control credential technology uses radio frequency to read a card or fob without physical contact?

Wiegand wire
Magnetic stripe
Smart chip contact
RFID (Radio Frequency Identification) (Correct answer)

Correct answer: RFID (Radio Frequency Identification)

RFID technology reads credential data wirelessly using radio frequency signals between the card/fob and the reader.

Question 65: What does 'anti-passback' mean in an access control system?

A rule preventing a credential from being used to enter the same zone twice in a row without first exiting (Correct answer)
A feature that blocks tailgating at turnstiles
A setting that disables a card after it is reported stolen
A policy requiring two-person authorization

Correct answer: A rule preventing a credential from being used to enter the same zone twice in a row without first exiting

Anti-passback prevents a credential from granting re-entry to a zone until that credential has been used to exit, stopping card sharing and unauthorized re-entry.

Question 66: What does the ALOA Safe and Vault Technician (SAVTA) designation represent?

A professional certification from ALOA recognizing competency in safe and vault opening, servicing, and installation (Correct answer)
A manufacturer certification for a specific safe brand
An insurance certification for bonded safe technicians
A government license required for all safe work

Correct answer: A professional certification from ALOA recognizing competency in safe and vault opening, servicing, and installation

SAVTA (Safe and Vault Technicians Association), affiliated with ALOA, offers professional certifications recognizing demonstrated competency in safe and vault servicing.

Question 67: What does 'keying alike' mean?

Locks are re-keyed to eliminate worn bitting
All locks in a building are keyed to a single grand master
Multiple locks are configured to operate with the same key (Correct answer)
Multiple locks share the same master key but have different change keys

Correct answer: Multiple locks are configured to operate with the same key

Keying alike (KA) means two or more locks are set to the same key bitting so a single key can operate all of them, regardless of whether a master key system is in place.

Question 68: What is a 'gun safe' rated to and how does that differ from a UL-listed burglary safe?

Gun safes carry the same ratings as fire safes
Gun safes are fireproof but not burglar resistant
Gun safes are typically not UL burglary rated and offer basic storage security, while UL safes meet independently tested standards (Correct answer)
Gun safes are rated to TL-15 by default

Correct answer: Gun safes are typically not UL burglary rated and offer basic storage security, while UL safes meet independently tested standards

Most consumer 'gun safes' are not UL burglary rated and only provide basic security against opportunistic theft; true UL-rated burglary safes are tested to specific attack resistance standards.

Question 69: Which ANSI/BHMA grade designation indicates the highest level of commercial door hardware durability?

Grade 2
Grade 4
Grade 1 (Correct answer)
Grade 3

Correct answer: Grade 1

ANSI/BHMA Grade 1 is the highest grade, subjected to the most rigorous cycle and load testing and required for heavy commercial applications.

Question 70: Which power supply consideration is critical when installing a fail-safe magnetic lock on a fire egress door?

The lock must release (de-energize) on fire alarm activation (Correct answer)
The lock must remain energized during a fire alarm
The lock must be installed with a manual key override
The lock must be connected to a battery backup only

Correct answer: The lock must release (de-energize) on fire alarm activation

Per life-safety codes, fail-safe maglocks on fire egress doors must be integrated with the fire alarm system to release (de-energize and unlock) when the fire alarm activates.

Question 71: Please indicate what statement is correct about the locking system on most BMW vehicles:

BMW vehicles usually feature a deadlocking key mechanism
B and C (Correct answer)
BMW locks are the easiest to pick open
It is difficult to open a BMW vehicle lock with car-opening tools

Correct answer: B and C

Explanation: Most BMW vehicles usually feature a deadlocking key mechanism, which provides an additional level of security by preventing the lock from being easily picked or manipulated. Additionally, it is difficult to open a BMW vehicle lock with car opening tools due to the advanced security features and design of the locking system.

Question 72: What does 'ALOA SCTA' stand for and what is its focus?

Safe Combination Technology Authority
Safe and Vault Technicians Association — focused on safe opening, servicing, and vault technology (Correct answer)
Secured Commercial Trade Association
Security Consulting and Technology Association

Correct answer: Safe and Vault Technicians Association — focused on safe opening, servicing, and vault technology

SAVTA (Safe and Vault Technicians Association) is an ALOA affiliate focused specifically on safe and vault servicing education, certifications, and professional standards.

Question 73: What is the recommended practice when a locksmith is asked to service a lock for someone claiming to be the property owner but cannot produce identification?

Require a cash deposit before starting work
Decline service until proper identification and proof of ownership or right to access can be verified (Correct answer)
Proceed but document the interaction thoroughly
Call police before beginning any service

Correct answer: Decline service until proper identification and proof of ownership or right to access can be verified

When proper ID and authorization cannot be verified, the professional and legally safe practice is to decline service until the customer can provide required documentation.

Question 74: What term describes the picking-resistant feature where pins have a spool or mushroom shape to create false sets?

Driver pins
Master pins
Control pins
Security pins (Correct answer)

Correct answer: Security pins

Security pins (spools, serrated, or mushroom) create a false set when picking, causing the plug to partially rotate before binding again.

Question 75: What is the primary function of an access control 'time zone' or 'schedule' setting?

To define the door hold-open time
To restrict when a credential is valid, allowing access only during defined hours or days (Correct answer)
To set the clock on the access control panel
To schedule automatic firmware updates

Correct answer: To restrict when a credential is valid, allowing access only during defined hours or days

Time zones define the hours and days when a credential is permitted to grant access, enabling different access schedules for different users or groups.

Question 76: Which states require locksmiths to hold a state-issued license to legally perform locksmith services?

All 50 states require a federal locksmith license
Only states with populations over 10 million require locksmith licensing
No states have locksmith licensing requirements
Several states including Alabama, California, Connecticut, Illinois, New Jersey, North Carolina, Oklahoma, Tennessee, Texas, and Virginia have locksmith licensing laws (Correct answer)

Correct answer: Several states including Alabama, California, Connecticut, Illinois, New Jersey, North Carolina, Oklahoma, Tennessee, Texas, and Virginia have locksmith licensing laws

As of current US law, a subset of states have enacted locksmith licensing requirements with varying exam, background check, and continuing education requirements.

Question 77: What does 'key cutting by code' mean in automotive locksmithing?

Cutting a key by tracing an existing key
Picking the ignition to determine bitting
Using the vehicle's factory key code (obtained via VIN) to cut a new key to the correct bitting without disassembling the lock (Correct answer)
Programming a transponder chip

Correct answer: Using the vehicle's factory key code (obtained via VIN) to cut a new key to the correct bitting without disassembling the lock

Key cutting by code uses the manufacturer's key code database, accessed via VIN or lock code, to cut a key to exact factory specifications.

Question 78: What does 'cloning' a transponder key mean, and why is it important for automotive locksmiths?

Copying the transponder chip's crypto ID to a blank chip without accessing the vehicle's ECU, allowing a duplicate key to start the car (Correct answer)
Cutting a key to match the blade of an original
Extracting a broken key from the ignition
Programming a new key using the OBDII port

Correct answer: Copying the transponder chip's crypto ID to a blank chip without accessing the vehicle's ECU, allowing a duplicate key to start the car

Cloning copies the transponder's fixed code to a cloneable blank, creating a working duplicate without needing to access or modify the vehicle's immobilizer programming.

Question 79: What is 'bumping' in the context of lock picking?

Using a rake pick in rapid strokes
Ramming a door to force a deadbolt
Using a specially cut bump key struck with force to momentarily bounce pins above the shear line (Correct answer)
Drilling above the plug to destroy driver pins

Correct answer: Using a specially cut bump key struck with force to momentarily bounce pins above the shear line

Bumping uses a bump key cut to the deepest bitting, struck with a mallet so kinetic energy launches driver pins above the shear line long enough to rotate the plug.

Question 80: Which tool is used by automotive locksmiths to open a vehicle door without a key by sliding between the window and weather stripping?

Bump key
Slim Jim or long reach tool (Correct answer)
Pick gun
Plug spinner

Correct answer: Slim Jim or long reach tool

A Slim Jim is a thin metal tool inserted between the window glass and weather stripping to manipulate the door's internal locking linkage to unlock the door.

Question 81: What is a 'high-security automotive key' that requires an automotive locksmith to be factory-authorized or have specific tooling to duplicate?

Any key with a remote fob attached
A key with patent-protected cuts and an embedded transponder that cannot be cut or programmed without specific licensed equipment (Correct answer)
A key made of reinforced steel
Any transponder key from a luxury brand

Correct answer: A key with patent-protected cuts and an embedded transponder that cannot be cut or programmed without specific licensed equipment

High-security automotive keys (e.g., Medeco, Mul-T-Lock ignition-grade) have patent-protected keyways and cuts, requiring licensed cutters and authorized dealers to duplicate or program.

Question 82: Which automotive ignition issue is described as a cylinder that turns but does not engage the starter or accessory position properly?

An immobilizer fault code
A discharged key fob battery
A faulty transponder chip
Worn ignition wafers or a damaged ignition actuator (Correct answer)

Correct answer: Worn ignition wafers or a damaged ignition actuator

Worn ignition wafers or a damaged actuator prevent the cylinder from properly engaging ignition switch positions, requiring cylinder replacement or repair.

Question 83: What does it mean to 'virginize' an immobilizer module during automotive key programming?

To disable the immobilizer permanently
To clone existing key data to a new module
To update the module's firmware
To reset the immobilizer ECU to its factory unprogrammed state so new keys can be learned from scratch (Correct answer)

Correct answer: To reset the immobilizer ECU to its factory unprogrammed state so new keys can be learned from scratch

Virginizing resets the immobilizer to its factory blank state, erasing all previously programmed keys and allowing the technician to program an entirely new set of keys.

Question 84: What is a plug spinner used for during lock picking?

To apply tension to the plug
To decode the bitting of a key
To remove a broken key from the keyway
To quickly rotate the plug back past the shear line after over-rotation without re-picking (Correct answer)

Correct answer: To quickly rotate the plug back past the shear line after over-rotation without re-picking

A plug spinner allows the locksmith to reverse the plug's rotation when it has been turned too far, avoiding the need to re-pick all pins.

Question 85: What does 'tailgating' (or 'piggybacking') mean in physical access control security?

An unauthorized person following an authorized person through a controlled door without presenting credentials (Correct answer)
Forcing a door open
Bypassing a card reader electronically
Cloning an access card

Correct answer: An unauthorized person following an authorized person through a controlled door without presenting credentials

Tailgating occurs when an unauthorized person follows closely behind an authorized user through a secured door before it closes, gaining entry without credentials.

Question 86: What is the purpose of a 'depth and space gauge' in automotive key cutting?

To measure the cut depths and spaces on an existing key or lock wafer to determine the bitting code (Correct answer)
To test transponder signal strength
To set the laser cutter to the correct angle
To measure the ignition cylinder diameter

Correct answer: To measure the cut depths and spaces on an existing key or lock wafer to determine the bitting code

A depth and space gauge measures the precise cut depths and spacing on a key or wafer, allowing the locksmith to identify the bitting code without a code database.

Question 87: What is 'decoding' a lock in the context of bypass techniques?

Using a bump key
Picking the lock by feel
Determining the key bitting without disassembly using a decoder tool or by reading pin positions (Correct answer)
Drilling out the lock cylinder

Correct answer: Determining the key bitting without disassembly using a decoder tool or by reading pin positions

Decoding reads the bitting of a lock by measuring pin heights through the keyway or using a specially designed decoder tool.

Question 88: What record-keeping practice is recommended for locksmiths regarding key codes and customer lock records?

Store all records in the vehicle's glove compartment for quick access
Destroy records immediately after job completion
Post all key codes on an online locksmith network for industry sharing
Store records securely and confidentially, share only with authorized parties, and retain records per applicable laws and business policy (Correct answer)

Correct answer: Store records securely and confidentially, share only with authorized parties, and retain records per applicable laws and business policy

Key codes and customer lock records are sensitive security information that must be stored securely, shared only with authorized parties, and managed per privacy laws and ALOA ethical standards.

Question 89: What is the primary function of a door closer in commercial applications?

To control closing speed and ensure the door returns to the closed position after each use (Correct answer)
To prevent unauthorized entry from outside
To provide emergency egress capability
To reinforce the door frame against forced entry

Correct answer: To control closing speed and ensure the door returns to the closed position after each use

A door closer controls the sweep and latch speed of a door, ensuring it returns completely to the closed and latched position after every opening.

Question 90: Which credential technology provides the highest level of security due to encryption and mutual authentication between the card and reader?

Wiegand card
125 kHz proximity card
Smart card (13.56 MHz with encryption, e.g., HID iCLASS SE) (Correct answer)
Magnetic stripe card

Correct answer: Smart card (13.56 MHz with encryption, e.g., HID iCLASS SE)

Modern 13.56 MHz smart cards (like HID iCLASS SE/Seos) use encryption and mutual authentication, making them far more resistant to cloning than proximity or mag stripe cards.

Question 91: What is the ALOA Code of Ethics requirement regarding servicing locks for customers?

Locksmiths must only service their registered customers
Locksmiths must only provide services to authorized persons and must not use their skills for illegal purposes (Correct answer)
Locksmiths must provide services to anyone who pays the service fee
Locksmiths must obtain a court order before re-keying any lock

Correct answer: Locksmiths must only provide services to authorized persons and must not use their skills for illegal purposes

ALOA's Code of Ethics requires members to verify customer authorization and never use their technical skills to assist in illegal activities such as unauthorized entry.

Question 92: In a master key system, what is the 'change key' (also called 'servant key')?

A key that can open all locks in the system
A key used to change the combination of a lock
A key that opens locks in one department or group only
The lowest level key that opens only one specific lock in the system (Correct answer)

Correct answer: The lowest level key that opens only one specific lock in the system

A change key (servant key) operates a single specific lock in the master key system, providing the most restricted level of access.

Question 93: What is an uncombinated key called?

A key blank (Correct answer)
A key base
A non-key
A practice key

Correct answer: A key blank

Explanation: An uncombinated key, also known as a key blank, refers to a key that has not been cut or coded to operate a specific lock. It serves as the raw material from which a finished key is made by cutting the grooves and ridges necessary to match a particular lock's configuration.

Question 94: What does 'general liability insurance' protect a locksmith business from?

Employee injuries on the job
Vehicle accidents during service calls
Tool theft or damage
Third-party bodily injury and property damage claims arising from the locksmith's business operations (Correct answer)

Correct answer: Third-party bodily injury and property damage claims arising from the locksmith's business operations

General liability insurance covers claims from third parties (customers, bystanders) for bodily injury or property damage caused by the locksmith's business activities.

Question 95: What is a transponder key in automotive locksmithing?

A key with a laser-cut blade
A key cut by code from the vehicle's VIN
A key with an embedded microchip that communicates with the vehicle's immobilizer system to allow the engine to start (Correct answer)
A key that transmits a radio signal to unlock doors remotely

Correct answer: A key with an embedded microchip that communicates with the vehicle's immobilizer system to allow the engine to start

A transponder key contains a microchip that sends a unique signal to the vehicle's immobilizer ECU; if the signal doesn't match, the engine will not start.

Question 96: What is 'key control' in the context of a master key system?

The policies and hardware (restricted keyways, key tracking records) that prevent unauthorized key duplication and track key issuance (Correct answer)
The protocol for storing keys in a secure key cabinet
The electronic system that tracks when keys are used
The mechanical process of cutting keys to specific depths

Correct answer: The policies and hardware (restricted keyways, key tracking records) that prevent unauthorized key duplication and track key issuance

Key control encompasses the procedures, hardware, and documentation that prevent unauthorized key duplication and track who holds which keys in the system.

Question 97: What UL Group rating designates the highest security level for a dial combination lock used on safes?

Group 3
Group 2
Group 1R (manipulation-resistant) (Correct answer)
Group 1

Correct answer: Group 1R (manipulation-resistant)

UL Group 1R is the highest manipulation-resistance rating, requiring that the lock withstand at least 20 man-hours of expert manipulation attempts.

Question 98: Which Ford vehicle system uses a resistor pellet embedded in the key to provide a basic form of ignition security?

Ford SecuriCode
PATS (Passive Anti-Theft System) predecessor — Ford's resistor key system (Correct answer)
Ford Transponder Plus
Ford SYNC

Correct answer: PATS (Passive Anti-Theft System) predecessor — Ford's resistor key system

Earlier Ford vehicles used a resistor key system where a resistor pellet in the key blade sent a resistance value to the ignition module to allow starting — an early precursor to transponder systems.

Question 99: What is the recommended approach when a locksmith discovers that a customer's current lock installation violates building or fire code?

Correct the violation immediately without informing the customer
Refuse to touch the installation until code compliance is achieved
Ignore code issues that are not part of the service request
Inform the customer in writing of the code violation and recommend corrective action, documenting the notification (Correct answer)

Correct answer: Inform the customer in writing of the code violation and recommend corrective action, documenting the notification

Professionally and ethically, the locksmith should document and inform the customer in writing of any code violations discovered, recommending correction — this protects both the customer and the locksmith.

Question 100: Which component in an access control system reads the credential and sends data to the controller?

REX sensor
Electric strike
Reader (Correct answer)
Door position switch

Correct answer: Reader

The reader (card reader, keypad, or biometric device) captures credential data and transmits it to the access control panel for verification.

ALOA Proficiency Registration Program (PRP) Certification

The ALOA PRP certification verifies locksmith knowledge across mandatory and elective topic areas. Each category exam tests practical and theoretical locksmithing skills with a minimum 70% passing score required.

100

Questions

90 min

Time Limit

70%

To Pass

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These practice questions were written with AI tools. They are not real exam questions. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

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aesbl.alabama.gov — Eligibility · verified Oct 2026
aloa.org — Test delivery, eligibility, exam format, score validity, fees, score release, test dates, registration deadline, exam information · verified Oct 2026
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