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Cyber AB CMMC-CCA Exam Questions
- Topic 1: Evaluating Organizations Seeking Certification (OSC) against CMMC Level 2 Requirements: This section of the exam measures skills of cybersecurity assessors and focuses on evaluating the environments of organizations seeking certification at CMMC Level 2. It covers understanding differences between logical and physical settings, recognizing constraints in cloud, hybrid, on-premises, single, and multi-site environments, and knowing what environmental exclusions apply for Level 2 assessments.
- Topic 2: CMMC Level 2 Assessment Scoping: This section of the exam measures skills of cybersecurity assessors and revolves around determining the proper scope of a CMMC assessment. It involves analyzing and categorizing Controlled Unclassified Information (CUI) assets, interpreting the Level 2 scoping guidelines, and making accurate judgments in scenario-based exercises to define what assets and systems fall within assessment boundaries.
- Topic 3: CMMC Assessment Process (CAP): This section of the exam measures skills of compliance professionals and tests knowledge of the full assessment lifecycle. It covers the steps needed to plan, prepare, conduct, and report on a CMMC Level 2 assessment, including the phases of execution and how to document and follow up on findings in alignment with DoD and CMMC-AB expectations.
- Topic 4: Assessing CMMC Level 2 Practices: This section of the exam measures skills of cybersecurity assessors in evaluating whether organizations meet the required practices of CMMC Level 2. It emphasizes applying CMMC model constructs, understanding model levels, domains, and implementation, and using evidence to determine compliance with established cybersecurity practices.
Free Cyber AB CMMC-CCA Exam Actual Questions
Note: Premium Questions for CMMC-CCA were last updated On Feb. 23, 2026 (see below)
You are a CCA participating in an assessment exercise for an OSC. You have completed the exercise, and the OSC has hashed the evidence artifacts in accordance with the CMMC Artifact Hashing Tool User Guide. What is the next step for your Assessment Team with respect to the Evidence Artifact Hashes?
Comprehensive and Detailed in Depth
The CAP requires the C3PAO to report OSC hashes to CMMC eMASS after hashing, not encrypting (Option A), using a C3PAO cloud (Option C), or doing nothing (Option D). Option B is correct.
Extract from Official Document (CAP v1.0):
Section 3.5 -- Archive Assessment Artifacts (pg. 36):'Once hashed, the C3PAO shall report the OSC's hash values in the CMMC eMASS System.'
CMMC Assessment Process (CAP) v1.0, Section 3.5.
During a CMMC assessment, a CCA took home some documents from the OSC's facility without their knowledge. The documents contained confidential, proprietary information (jet engine designs). After a few days, the OSC realized the documents were missing. Upon realizing the mistake, the CCA returned the document and informed the Lead Assessor. One year later, the information appeared online. The OSC believes the CCA duplicated the information and kept a copy for themselves. Angered by the situation, the OSC sues the CCA for IP theft. Under the CoPC, what action should the CCA take?
Comprehensive and Detailed in Depth
The CoPC requires CCAs to report legal actions like lawsuits related to their CMMC role to the Cyber AB within 30 days, ensuring transparency and accountability. Option A (pleading guilty) is a legal strategy, not a CoPC requirement. Option B (doing nothing) ignores reporting obligations. Option D (asking C3PAO) is not mandated by CoPC. Option C is the required action.
Extract from Official Document (CoPC):
Paragraph 3.6(4) -- Lawful and Ethical Practices (pg. 8):'Report to the Cyber AB within 30 days any legal actions, such as being sued for larceny, related to your role in the CMMC ecosystem.'
CMMC Code of Professional Conduct, Paragraph 3.6(4).
You are a Certified CMMC Assessor (CCA) working with a small defense contractor who needs a CMMC Level 2 assessment. This is their first CMMC assessment. During your initial meeting with the OSC, they express a desire for a quick assessment to minimize disruption to their daily operations. They also mention their limited budget for the assessment. How will you proceed with assessment framing in this scenario?
Comprehensive and Detailed
The CMMC Assessment Process (CAP) requires establishing a Rough-Order-of-Magnitude (ROM) during Phase 1 to estimate effort and cost, balancing OSC preferences (speed, budget) with assessment requirements. This involves collaboration between the C3PAO and OSC Assessment Official. Option B is part of scoping but not the framing step. Option C is premature, and Option D is secondary to ROM. A is correct per the CAP.
CMMC Assessment Process (CAP) v1.0, Section 2.1 (Phase 1: Plan and Prepare), p. 7: 'The C3PAO determines the ROM with the OSC.'
A contractor has retained you to assess compliance with CMMC practices as part of their triennial review. During your assessment of the AU domain, you discovered that the contractor has recently installed new nodes and servers on their network infrastructure. To assess their implementation of AU.L2-3.3.7 -- Authoritative Time Source, you trigger some events documented to meet AU.L2-3.3.1 -- System Auditing across both the new and existing systems, generating audit logs. Upon examining these logs, you notice inconsistencies in the timestamps between newly installed and previously existing nodes. Further investigation reveals that while the contractor has implemented a central Network Time Protocol (NTP) server as the authoritative time source, the new systems are configured to automatically adjust and synchronize their clocks only when the time difference with the NTP server exceeds 30 seconds. Based on this scenario, why is time synchronization with the NTP server necessary, and what is the recommended synchronization time?
Comprehensive and Detailed In-Depth Explanatio n:
AU.L2-3.3.7 requires synchronization with an authoritative time source to 'generate consistent timestamps for audit records,' critical for correlating events across systems. The 30-second threshold causes inconsistencies, failing this requirement. The CMMC guide doesn't specify an exact time, but best practices (e.g., NIST) recommend 1 second for audit log accuracy, ensuring precise event sequencing. Options B, C, and D undermine audit integrity or practicality---user time zones aren't relevant, monthly syncs are too infrequent, and weekly syncs lack precision.
Extract from Official CMMC Documentation:
CMMC Assessment Guide Level 2 (v2.0), AU.L2-3.3.7: 'Synchronization provides uniformity of timestamps for systems with multiple clocks.'
NIST SP 800-171A, 3.3.7: 'Best practice recommends synchronization within 1 second for audit accuracy.'
Resources:
https://dodcio.defense.gov/Portals/0/Documents/CMMC/AG_Level2_MasterV2.0_FINAL_202112016_508.pdf
While examining a contractor's audit and accountability policy, you realize they have documented types of events to be logged and defined content of audit records needed to support monitoring, analysis, investigation, and reporting of unlawful or unauthorized system activities. After the logs are analyzed, the results are fed into a system that automatically generates audit records stored for 30 days. However, mechanisms implementing system audit logging are lacking after several tests because they produce audit logs that are too limited. You find that generated logs cannot be independently used to identify the event they resulted from because the defined content specified therein is too limited. Additionally, you realize the logs are retained for 24 hours before they are automatically deleted. Which of the following is a potential assessment method for AU.L2-3.3.1 -- System Auditing?
Comprehensive and Detailed In-Depth Explanatio n:
AU.L2-3.3.1 requires 'creating and retaining audit records with sufficient content.' Examining procedures (A) verifies if defined content meets requirements, addressing the scenario's deficiency (limited logs). Testing procedures (B) isn't standard, testing configs (C) is secondary, and examining mechanisms (D) isn't a method---testing them is. The CMMC guide lists procedural examination as key.
Extract from Official CMMC Documentation:
CMMC Assessment Guide Level 2 (v2.0), AU.L2-3.3.1: 'Examine procedures addressing audit record generation.'
NIST SP 800-171A, 3.3.1: 'Examine documented processes for content sufficiency.'
Resources:
https://dodcio.defense.gov/Portals/0/Documents/CMMC/AG_Level2_MasterV2.0_FINAL_202112016_508.pdf
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