DOD Cheat Sheet 2026

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

1. What DoD policy mandates the use of encryption for data at rest on mobile devices and removable media containing CUI? → DoD Instruction 8582.01 and FIPS 140-2 validated encryption
2. What action is required when a DoD Common Access Card (CAC) is lost or stolen? → Report immediately to the security office and revoke the certificate through RAPIDS
3. What is DNS (Domain Name System)? → It translates domain names into IP addresses.
4. Under DoD guidance, a Sensitive Compartmented Information Facility (SCIF) must meet construction standards outlined in which document? → ICD 705
5. Which quality is MOST important for professionals conducting incident investigation & analysis in Department of Defense Certified? → Objectivity and attention to detail
6. Which practice BEST ensures safe personal protective equipment operation in Department of Defense Certified? → Pre-use inspection combined with proper training and adherence to procedures
7. An OPSEC program review should be conducted: → Periodically and whenever significant changes occur to operations or threats
8. Which DoD Instruction establishes the DoD Privacy Program and requires a System of Records Notice (SORN) for systems containing PII? → DoD Instruction 5400.11
9. What is the purpose of containment during an incident response? → To prevent the incident from spreading
10. Which personnel are authorized to conduct a search of a privately owned vehicle (POV) on a DoD installation? → Security forces personnel with legal authority granted by the installation commander
11. What is the required response time for an alarm activation at a DoD Category I resource (e.g., arms, ammunition, explosives)? → 15 minutes or less
12. In the OPSEC five-step process, which step comes immediately after analyzing vulnerabilities? → Assess Risk
13. Which factor is MOST important when evaluating the effectiveness of hazard identification & assessment measures in Department of Defense Certified? → Reduction in incident rates over time
14. Under the DoD CUI Registry, which category covers technical data subject to export control laws such as ITAR? → CUI//Export Controlled
15. What is an example of an incident recovery action? → Restoring system backups to restore normal operations
16. When adapting training & awareness programs for diverse learners in Department of Defense Certified, what is MOST important? → Offering multiple formats and accommodating different learning needs and styles
17. In Department of Defense Certified, what role does employee training play in hazard identification & assessment? → It ensures all personnel can recognize, report, and respond to hazards
18. In Department of Defense Certified, how should incident investigation & analysis results be communicated to stakeholders? → Through clear, structured reports with actionable recommendations
19. In Department of Defense Certified, what is the MOST appropriate response when a potential compliance violation is discovered? → Report it immediately through established channels and document findings
20. What does a Critical Information List (CIL) primarily help commanders do? → Focus OPSEC efforts by listing specific information that must be protected
21. What is the role of a security information and event management (SIEM) system in incident response? → It helps detect, analyze, and respond to security incidents
22. In Department of Defense Certified, what role does employee training play in environmental health & safety? → It ensures all personnel can recognize, report, and respond to hazards
23. What is the primary purpose of Operations Security (OPSEC) in the DOD? → To deny adversaries critical information that could be used against friendly operations
24. What is the first action to take when a data breach is suspected? → Disconnect the affected systems from the network
25. What is a vulnerability in cybersecurity risk management? → A weakness that can be exploited
26. Which regulation requires DoD contractors who handle CUI to implement specific cybersecurity controls? → DFARS 252.204-7012 and NIST SP 800-171
27. In Department of Defense Certified, what is the PRIMARY purpose of conducting regular hazard identification & assessment assessments? → To identify potential hazards before incidents occur
28. Which process formally grants a DoD IT system authorization to operate (ATO)? → The Risk Management Framework (RMF) Authorization process
29. What is the MOST important factor in personal protective equipment selection for Department of Defense Certified? → Suitability for the intended purpose and compliance with applicable standards
30. What does the term ‘residual risk’ mean? → Risk after implementing controls