CPL Study Guide 2026
Everything you need to pass the CPL exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 CPL Exam Format at a Glance
📚 CPL Topics to Study (69)
✍️ Sample CPL Questions & Answers
1. When disassembling a pin tumbler cylinder for repair, a follower tool is used primarily to:
A follower maintains pressure on the driver pins and springs so they stay seated in the shell when the plug is removed.
2. What is the purpose of a 'do-not-duplicate' (DND) stamp on a key?
A DND stamp is a professional courtesy request, not a legal prohibition; it signals that duplication should only occur with the key holder's authorization.
3. What is 'key control' as it relates to pin tumbler cylinders?
Key control refers to restricting unauthorized key duplication, typically through patented keyways, restricted blanks, or high-security cylinders.
4. What is 'tailgating' or 'piggybacking' as a physical security threat?
Tailgating occurs when an unauthorized person follows an authorized user through a secured door, bypassing access control without detection.
5. Which of the following is a fundamental principle of commercial security solutions as it applies to Certified Professional Locksmith?
A fundamental principle of commercial security solutions in Certified Professional Locksmith is the systematic evaluation and adherence to established industry standards, which ensures consistency, quality, and regulatory compliance across all professional activities.
6. How is key control related to security?
Key control is a critical security measure that involves managing and tracking all keys within an organization. It helps maintain a clear record of who has access to which areas, preventing unauthorized key duplication and ensuring accountability. By implementing robust key control, organizations can significantly reduce the risk of security breaches and unauthorized entry.
🎯 Free CPL Practice Tests
📖 CPL Guides & Articles
What Practice Test Geeks adds beyond an AI chat for CPL
An AI chatbot can quiz you, but it can't reproduce the exam conditions or keep your record. Here you get:
- A timed, full-length CPL mock exam — 100 questions in 120 minutes with a 70% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
- A fixed CPL question bank: the same test every attempt, so your score is comparable from one try to the next instead of changing with every regenerated quiz.
- Progress saved on your device: completed tests, scores and missed questions stay in My Progress, so you can retake only what you got wrong.
- A printable CPL cheat sheet you can print or save as a PDF.
- CPL flashcards built from the same question bank.
- Free CPL practice tests with the correct answer shown after each question.