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Question 1

Score: 0/0

An Organization Seeking Certification (OSC) has submitted their self-assessment results showing all 110 NIST SP 800-171 practices as "MET." As a CCA, what is your primary concern before beginning the formal assessment?

The OSC used an automated scanning tool instead of manual review

A self-assessment showing all practices as MET without any deficiencies is statistically unlikely and warrants verification

The OSC did not hire a certified consultant to perform the self-assessment

The self-assessment must be performed by a CCA, not the organization itself

to track

Sample CMMC CCA Practice Questions

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1An Organization Seeking Certification (OSC) has submitted their self-assessment results showing all 110 NIST SP 800-171 practices as "MET." As a CCA, what is your primary concern before beginning the formal assessment?

A.The OSC used an automated scanning tool instead of manual review

B.A self-assessment showing all practices as MET without any deficiencies is statistically unlikely and warrants verification

C.The OSC did not hire a certified consultant to perform the self-assessment

D.The self-assessment must be performed by a CCA, not the organization itself

Explanation: While OSCs are encouraged to conduct self-assessments, a perfect score of all 110 practices marked as MET without any deficiencies is statistically unusual. The CCA should verify the evidence and maturity of implementations rather than accepting self-assessment results at face value. Self-assessments can be performed by the OSC and do not require a CCA or certified consultant.

2During a pre-assessment review, an OSC provides System Security Plan (SSP) documentation dated three years ago with no subsequent updates. What determination should the CCA make regarding AC.L2-3.1.1 (Access Control Policy)?

A.NOT MET because the SSP is outdated and does not reflect current system environment

B.MET because the SSP exists and covers access control requirements

C.NOT APPLICABLE because the SSP was created before CMMC requirements were finalized

D.MET with deficiencies because the policy exists but needs updating

Explanation: AC.L2-3.1.1 requires the organization to establish and maintain access control policy and procedures. A three-year-old SSP that has not been updated does not demonstrate ongoing maintenance and is unlikely to accurately reflect the current system environment, operational requirements, and security controls. Documentation must be current and maintained to satisfy CMMC Level 2 requirements.

3An OSC has provided evidence for IA.L2-3.5.1 (Identify System Users) showing their identity management system automatically disables accounts after 90 days of inactivity. What is the appropriate finding?

A.MET because 90 days is within industry standard

B.NOT MET because NIST SP 800-171 requires account disablement after 30 days of inactivity

C.NOT MET because the organization should disable accounts immediately upon termination

D.MET if the organization can demonstrate risk acceptance for the 90-day period

Explanation: IA.L2-3.5.1 requires that system accounts be disabled after 35 days of inactivity (not 90 days). While some organizations may implement shorter periods, 90 days significantly exceeds the requirement and presents an unnecessary security risk. The finding should be NOT MET because the implementation does not satisfy the control requirement as specified in NIST SP 800-171.

4During an assessment, the OSC provides audit logs showing successful authentication events but cannot produce logs for failed authentication attempts. The OSC claims their SIEM solution only captures successful logons due to storage constraints. What is the correct determination for AU.L2-3.3.1 (Audit Events)?

A.MET because the OSC has audit logging implemented and documented their justification

B.NOT MET because AU.L2-3.3.1 specifically requires auditing of failed logon attempts

C.NOT APPLICABLE because storage constraints are a legitimate technical limitation

D.MET with POAM because the control is partially implemented

Explanation: AU.L2-3.3.1 requires the organization to create and retain audit logs of events that could facilitate reconstruction of historical events. Failed authentication attempts are explicitly listed as a required auditable event in NIST SP 800-171. Storage constraints do not constitute a valid justification for omitting required audit events. The determination must be NOT MET, and a POAM would be required to address the deficiency.

5Before conducting a CMMC Level 2 assessment, what document must the CCA verify exists and is current?

A.A fully executed Department of Defense contract

B.A valid CMMC Level 1 certificate

C.A System Security Plan (SSP) that addresses all 110 NIST SP 800-171 security requirements

D.A third-party penetration test report dated within 30 days

Explanation: A System Security Plan (SSP) is a foundational document required for CMMC Level 2 assessments. The SSP must describe the system boundary, operational environment, implementation of security requirements, and relationships with other systems. While contracts and other documentation are important for business context, the SSP is the essential document the CCA must verify exists and is current before beginning the assessment.

6An OSC informs the assessment team that their previous C3PAO assessment found three practices NOT MET, which they addressed through a POAM. The OSC completed the POAM items and is now requesting reassessment. What must the CCA verify?

A.Only that the POAM items were marked complete by the OSC

B.That the POAM items were completed AND objective evidence exists demonstrating full implementation of the practices

C.That the OSC paid all fees associated with the previous assessment

D.That the previous C3PAO agrees the POAM is complete

Explanation: When assessing practices that were previously found NOT MET and addressed through a POAM, the CCA must verify not only that the POAM items were completed but also that objective evidence exists demonstrating full implementation of the required practices. The CCA must independently assess the practices against NIST SP 800-171 requirements and should not rely solely on the OSC's assertion of completion.

7During evidence review, a CCA discovers that an OSC's network diagram shows connections to a subcontractor's environment that processes CUI, but the OSC's SSP makes no mention of this external connection. The OSC claims the subcontractor handles all security for their portion. What is the appropriate assessment action?

A.Accept the OSC's explanation as the subcontractor is responsible for their own security

B.Mark SC.L2-3.13.1 (Boundary Protection) as MET since the connection is documented in the network diagram

C.Request the OSC update the SSP to include the external connection and conduct further review of the subcontractor relationship

D.Immediately terminate the assessment as the OSC is not in compliance

Explanation: The SSP must accurately reflect the system environment, including all external connections and relationships. The CCA should request the OSC update the SSP to include the external connection and conduct additional review to understand the flow of CUI, security responsibilities, and whether the subcontractor environment is within scope of the assessment. Simply accepting the OSC's explanation without verification would not fulfill the CCA's responsibility to assess the control environment accurately.

8An OSC presents evidence for CM.L2-3.4.1 (Baseline Configuration) showing configuration baselines established two years ago. When asked about change history, the OSC admits they have not updated baselines since initial creation despite numerous system changes. What is the appropriate finding?

A.MET because baselines were established as required

B.NOT MET because CM.L2-3.4.1 requires maintaining and updating baseline configurations

C.NOT APPLICABLE because the systems are stable and do not require frequent baseline updates

D.MET with POAM because the baselines exist but need refreshing

Explanation: CM.L2-3.4.1 requires organizations to establish, maintain, and update baseline configurations. The keyword "maintain" requires ongoing updates to reflect changes in the system. Configuration baselines that are two years out of date do not represent the current state of the system and cannot be used effectively for configuration management or incident recovery. The determination should be NOT MET.

9Which of the following assets would be categorized as a CUI Asset in a CMMC Level 2 assessment scope?

A.The corporate public website server

B.A workstation used by an employee to process CUI from a DoD contract

C.The network firewall protecting the corporate infrastructure

D.A standalone air-gapped test environment with no CUI

Explanation: A CUI Asset is defined as an asset that processes, stores, or transmits CUI. A workstation used to process CUI from a DoD contract directly handles CUI and is therefore categorized as a CUI Asset. The corporate public website server would typically be an Out-of-Scope asset, the network firewall would be a Security Protection Asset (SPA), and the standalone test environment with no CUI would be Out-of-Scope.

10During scoping activities, a CCA identifies an outsourced IT provider that manages the OSC's email system which contains CUI. The provider has not achieved CMMC Level 2 certification. What impact does this have on the assessment scope?

A.The OSC must immediately terminate the contract with the IT provider

B.The IT provider's environment becomes part of the assessment scope and must be assessed

C.The OSC cannot achieve CMMC Level 2 certification with an uncertified service provider

D.The CCA must exclude the email system from the scope and document the limitation

Explanation: When a third-party service provider processes, stores, or transmits CUI on behalf of the OSC, that provider's relevant environment becomes part of the assessment scope. The CCA must either assess the provider's environment directly or review the provider's CMMC certification. If the provider is not certified, the CCA must assess the relevant portions of the provider's environment that handle the OSC's CUI.

About the CMMC CCA Exam

The Cyber AB Certified CMMC Assessor (CCA) is the advanced certification for professionals who conduct official CMMC Level 2 assessments for organizations seeking certification (OSC). It validates expertise in evaluating evidence, scoping assessments, applying the CMMC Assessment Process (CAP), and making definitive determinations on CMMC practice implementation.

Questions

150 scored questions

Time Limit

4 hours

Passing Score

500+ (scaled)

Exam Fee

$350 USD (Cyber AB / CAICO (Cybersecurity Assessor and Instructor Certification Organization))

CMMC CCA Exam Content Outline

15%

Evaluating Organizations Seeking Certification

OSC readiness assessment, evidence maturity evaluation, artifact review, documentation review, pre-assessment activities, and OSC eligibility verification. Understanding the OSC's preparation and readiness for formal assessment.

20%

Scoping

Asset categorization methodology, in-scope determination criteria, asset inventory review, network diagram analysis, data flow analysis, cloud environment scoping, third-party connection evaluation, contractor risk assessment, and enterprise scoping considerations.

25%

Assessment Process

Assessment plan development, objective evidence evaluation, findings determination methodology, deficiency identification, Met/Not Met criteria, POAM requirements, SPRS reporting, and final findings compilation. The complete CMMC Assessment Process (CAP).

40%

Level 2 Practices

Detailed assessment of all 110 NIST SP 800-171 security requirements across 14 domains: Access Control, Awareness & Training, Audit & Accountability, Configuration Management, Identification & Authentication, Incident Response, Maintenance, Media Protection, Personnel Security, Physical Protection, Risk Assessment, Security Assessment, System & Communications Protection, and System & Information Integrity.

How to Pass the CMMC CCA Exam

What You Need to Know

Passing score: 500+ (scaled)
Exam length: 150 questions
Time limit: 4 hours
Exam fee: $350 USD

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

CMMC CCA Study Tips from Top Performers

1Master Evidence Evaluation — the CCA exam focuses heavily on evaluating objective evidence. Study what constitutes valid evidence for each CMMC practice: policies, procedures, system configurations, logs, interview results, and test outputs. Understand how to determine if evidence is sufficient to support a Met, Not Met, or Not Applicable determination.

2Practice Scoping Complex Environments — scoping is critical for CCA success. Practice analyzing complex scenarios: hybrid cloud environments, multi-site enterprises, contractor relationships, outsourced IT services, and supply chain connections. Understand how to identify in-scope vs. out-of-scope assets and determine assessment boundaries.

3Deep Dive into Level 2 Practices — the Level 2 Practices domain represents 40% of the exam. Master all 110 NIST SP 800-171 requirements. For each control, understand: what the requirement means, what evidence would demonstrate implementation, common implementation approaches, and typical deficiencies. Focus on AC, IA, SC, and SI domains which have the most practices.

4Study the CMMC Assessment Process — understand CAP in detail: pre-assessment planning, on-site activities, evidence collection, artifact review, interviews, testing, findings analysis, POAM evaluation, and final reporting. Know the roles of Lead Assessor vs. Team Members, quality assurance requirements, and reporting obligations to Cyber AB.

Frequently Asked Questions

What is the CMMC CCA passing score?

The CMMC CCA exam requires a passing score of 500 or higher on a scaled basis. The exam consists of 150 questions to be completed in 4 hours. Questions include multiple choice and scenario-based items. Results are provided immediately upon completion through the testing platform.

How hard is the CMMC CCA exam?

The CMMC CCA exam is considered challenging with an estimated pass rate of 65% for prepared candidates. The exam requires deep understanding of CMMC Level 2 requirements, hands-on assessment experience, and the ability to evaluate complex evidence scenarios. Candidates must demonstrate competency in scoping, evidence evaluation, and making definitive assessment determinations. Prior assessment experience is highly beneficial.

What topics are covered in the CMMC CCA exam?

The CCA exam covers 4 domains: Evaluating OSC (15%) — readiness, evidence maturity; Scoping (20%) — asset categorization, boundaries, cloud; Assessment Process (25%) — CAP, evidence evaluation, findings, POAMs; Level 2 Practices (40%) — all 110 NIST 800-171 requirements across 14 domains. The exam emphasizes practical assessment skills and evidence evaluation.

What are the prerequisites for CMMC CCA?

To sit for the CCA exam, candidates must: 1) Hold an active CCP (Certified CMMC Professional) credential; 2) Complete Cyber AB Authorized Training Provider (ATP) CCA training; 3) Be a U.S. citizen; 4) Pass a Tier 3 background investigation. The CCP credential must be current, and candidates should have practical experience with CMMC assessments or NIST 800-171 compliance evaluations.

What can I do with CMMC CCA certification?

CCA certification qualifies you to: 1) Lead CMMC Level 2 assessments as a Certified Assessor; 2) Join a C3PAO (Certified Third-Party Assessment Organization) assessment team; 3) Conduct official OSC assessments for CMMC certification; 4) Make definitive Met/Not Met determinations on CMMC practices; 5) Sign assessment reports submitted to the Cyber AB. CCAs are in high demand as DoD contractors must achieve CMMC certification.

How long should I study for the CMMC CCA exam?

Most candidates need 8-12 weeks of study time, investing 100-150 hours total. This includes completing the ATP training (40+ hours) plus extensive self-study. Key study activities: 1) Deep review of all 110 NIST 800-171 controls and assessment methods; 2) Practice scoping complex environments including cloud and third-party connections; 3) Study evidence evaluation techniques and findings determination; 4) Complete 200+ practice questions and score 80%+ before scheduling.

Is CMMC CCA worth it in 2026?

Yes — CMMC CCA is one of the most valuable cybersecurity certifications for 2026. With the DoD requiring CMMC certification for all contractors handling CUI, demand for qualified assessors far exceeds supply. Career opportunities include: Lead CMMC Assessor ($130,000-$200,000), C3PAO Team Member ($120,000-$180,000), Senior CMMC Consultant ($140,000-$220,000), and Cybersecurity Assessor Manager ($150,000-$250,000). CCAs can work for C3PAOs or as independent consultants.

What is the difference between CCA and CCP?

CCP is the entry-level credential for supporting CMMC assessments and consulting. CCA is the advanced credential for actually conducting assessments and making official determinations. CCPs can work for RPOs and support assessments; CCAs can lead assessments for C3PAOs and sign official assessment reports. CCP is a prerequisite for CCA. CCA requires ATP training, US citizenship, and a security clearance investigation.