CBT Cheat Sheet 2026

The 30 highest-yield CBT facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. In audio distribution, what is the standard nominal signal level for professional broadcast equipment? → +4 dBu
2. A stakeholder questions the value of quality assurance & compliance initiatives. Which response best demonstrates ROI? → Building a culture of accountability with transparent reporting
3. What is the role of inductance in an AC circuit? → Opposes changes in current
4. What is the purpose of a directional antenna in broadcasting? → Concentrate signal in a desired direction
5. During a quality assurance & compliance audit, which documentation is most critical to have readily available? → Conducting root cause analysis to identify underlying systemic issues
6. What should be done before performing maintenance on a broadcast transmitter? → Power down and lock out equipment
7. What does the term 'SDI' refer to in video systems? → Serial Digital Interface
8. What distinguishes an advanced broadcast technician practitioner's approach to risk management & mitigation from that of a novice? → Establishing cross-functional teams with clearly defined roles
9. What is a 'chroma key' (green screen) technique used for in broadcast production? → Replacing a solid-color background with a different video source in real time
10. What is the recommended frequency for reviewing and updating electronic fundamentals protocols? → Monitoring outcomes through regular data collection and trend analysis
11. A stakeholder questions the value of professional ethics & standards initiatives. Which response best demonstrates ROI? → Building a culture of accountability with transparent reporting
12. Who is legally responsible for the content broadcasted on a station? → The licensee
13. Which scenario would require a broadcast technician professional to escalate a broadcast transmission and equipment concern? → Creating feedback mechanisms that encourage continuous improvement
14. What is Ohm’s Law used to calculate in electrical circuits? → Voltage, current, and resistance
15. Which tool or methodology is most appropriate for analyzing electronic fundamentals outcomes? → Maintaining professional boundaries while building collaborative relationships
16. In the context of broadcast technician, which principle most directly governs broadcast transmission and equipment practices? → Applying evidence-based methodologies with peer-reviewed support
17. What is the key difference between a 'cut' and a 'dissolve' transition on a production switcher? → A cut is an instantaneous transition; a dissolve is a gradual blend between two sources
18. What must a broadcast station log during each Emergency Alert System (EAS) test? → EAS test results
19. What is the most common mistake professionals make when implementing electronic fundamentals strategies? → Developing contingency plans for high-probability risk scenarios
20. A broadcast technician professional discovers a discrepancy during professional ethics & standards review. What is the most appropriate immediate action? → Engaging stakeholders collaboratively to align goals and expectations
21. Which network topology is most commonly recommended for professional broadcast IP facilities to ensure redundancy and low latency? → Spine-leaf topology
22. A broadcast technician professional discovers a discrepancy during communication & stakeholder engagement review. What is the most appropriate immediate action? → Engaging stakeholders collaboratively to align goals and expectations
23. What is the bit rate of uncompressed standard-definition serial digital video (SD-SDI)? → 270 Mb/s
24. What is the function of a broadcast transmitter? → Generate and amplify RF signals
25. A new regulation impacts electronic fundamentals procedures. What should a CBT professional do first? → Ensuring compliance with current regulatory requirements and standards
26. During a professional ethics & standards audit, which documentation is most critical to have readily available? → Conducting root cause analysis to identify underlying systemic issues
27. A broadcast technician professional discovers a discrepancy during quality assurance & compliance review. What is the most appropriate immediate action? → Engaging stakeholders collaboratively to align goals and expectations
28. Which scenario would require a broadcast technician professional to escalate a audio and video systems concern? → Creating feedback mechanisms that encourage continuous improvement
29. In broadcast networking, what does the term 'hitless switching' refer to? → Seamlessly switching between redundant network paths with no perceptible interruption
30. What does a frame synchronizer do in a broadcast signal path? → Aligns an asynchronous input video source to house sync timing