Licensing Examination Practice

Illinois Locksmith Technician Supervisor Licensing Examination Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• What is the primary role of a locksmith technician supervisor?
• Installing security cameras
• Supervising locksmith operations and staff
• Designing security systems for large facilities
• Manufacturing keys

Answer: B. Supervising locksmith operations and staff

Rationale: The supervisor oversees day-to-day locksmith operations,

ensures compliance with regulations, and manages personnel.

• Which type of lock is most resistant to picking?
• Pin tumbler lock 1 / 4

• Wafer lock
• Disc detainer lock
• Padlock

Answer: C. Disc detainer lock

Rationale: Disc detainer locks have rotating discs that make traditional

lock picking techniques very difficult.

• When issuing master keys, which is the most important consideration?
• Key color
• Hierarchy of access
• Lock age
• Key length

Answer: B. Hierarchy of access

Rationale: Master keys must be issued according to access levels to

maintain security and control within a facility.

• What is the main advantage of a tubular lock?
• Easy to pick
• High resistance to drilling
• Compact design for vending machines and specialty applications
• Low cost

Answer: C. Compact design for vending machines and specialty

applications 2 / 4

Rationale: Tubular locks are small and secure, commonly used in vending

machines, ATMs, and computer locks.

• Which tool is essential for decoding a pin tumbler lock without keys?
• Pick gun
• Key gauge
• Tension wrench
• Bump key

Answer: B. Key gauge

Rationale: A key gauge allows measurement of pin depths to create a

working key without disassembly.

• What is a common legal requirement for locksmith supervisors in

Illinois?

• Must register with the Illinois Secretary of State
• Must have a valid Illinois Locksmith License
• Must have completed a federal background check
• All of the above

Answer: D. All of the above

Rationale: Illinois locksmith supervisors must be licensed, registered, and

pass background checks to comply with state law.

• Which type of key system allows one key to open multiple locks while

maintaining individual lock security?

• Change key system 3 / 4

• Master key system
• Tubular key system
• Double-bitted key system

Answer: B. Master key system

Rationale: Master key systems provide hierarchical access while

maintaining individual lock security.

• Which is the most effective method to prevent unauthorized key

duplication?

• Using standard key blanks
• Requiring restricted keyway blanks
• Changing lock cylinders frequently
• Installing padlocks

Answer: B. Requiring restricted keyway blanks

Rationale: Restricted keyways prevent unauthorized duplication because

the key blanks are controlled by the manufacturer.

• What is the first step when responding to a residential lockout?
• Pick the lock immediately
• Verify the identity of the homeowner
• Call law enforcement
• Drill the lock
• / 4