Free Cyber AB CMMC-CCP Practice Exam with Questions & Answers | Set: 3

Understanding "Adequate Evidence" in the CMMC Assessment Process

In aCMMC assessment,adequate evidencerefers to the proof required to demonstrate that a specific cybersecurity practice has been implemented correctly. Evidence can come from:

Artifacts(e.g., security policies, system configurations, logs).

Interview responses(e.g., verbal confirmation from personnel about their responsibilities).

Demonstrations(e.g., showing how a security control is implemented in real time).

Testing(e.g., verifying technical security mechanisms such as multi-factor authentication).

Thegoalof evidence collection is to determinewhether a CMMC practice is met—not just whether the organization operates within the assessment scope.

Why is the Correct Answer "Determine if a given artifact, interview response, demonstration, or test meets the CMMC practice" (D)?

A. Verify, based on an assessment and organizational scope → Incorrect

Theassessment scopedefineswhat is evaluated, but adequacy of evidence is based oncompliance with specific CMMC practices.

B. Verify, based on an assessment and organizational practice → Incorrect

CMMC assessments focus on cybersecurity practices defined in the CMMC framework, not just general organizational practices.

C. Determine if a given artifact, interview response, demonstration, or test meets the CMMC scope → Incorrect

Thescopedefines the assessment boundaries, but theassessment team's job is to confirm whether CMMC practices are satisfied.

D. Determine if a given artifact, interview response, demonstration, or test meets the CMMC practice → Correct

TheCMMC assessment process focuses on ensuring that required practices are implemented, making this the correct answer.

CMMC 2.0 References Supporting this Answer:

CMMC Assessment Process (CAP) Document

Defines "adequate evidence" asproof that a CMMC practice has been correctly implemented.

CMMC 2.0 Assessment Criteria

Specifies that evidence must beevaluated against specific cybersecurity practices.

NIST SP 800-171A (Assessment Procedures for NIST SP 800-171)

Provides guidance on evaluating artifacts, interviews, demonstrations, and testing to confirm compliance with required practices.

Final Answer:

✔D. Determine if a given artifact, interview response, demonstration, or test meets the CMMC practice.

Contractors that handle Covered Defense Information (CDI) are required to report cyber incidents to the Department of Defense within 72 hours of discovery.

Supporting Extracts from Official Content:

DFARS 252.204-7012(c)(1): “When the Contractor discovers a cyber incident that affects a covered contractor information system or the covered defense information residing therein, the Contractor shall conduct a review… and rapidly report the cyber incident to DoD within 72 hours of discovery.”

Why Option C is Correct:

The regulation explicitly specifies 72 hours.

Options A (24 hrs), B (48 hrs), and D (96 hrs) do not align with DFARS requirements.

References (Official CMMC v2.0 Content and Source Documents):

DFARS 252.204-7012, Safeguarding Covered Defense Information and Cyber Incident Reporting.

CMMC v2.0 Governance – Source Documents list includes DFARS 252.204-7012.

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Step 1: Understanding CMMC Level 1 Self-Assessment Scope

CMMC Level 1applies toFederal Contract Information (FCI)systems.

Any system or device that is connected to an FCI-handling network is within the assessment scopebecause it canintroduce vulnerabilitiesinto the environment.

Step 2: Why the Thermostat is in Scope

TheWi-Fi-enabled thermostat is connected to the FCI network, meaning it haspotential accessto sensitive contract-related data.

PerCMMC Scoping Guidance, this type of device is classified as aRestricted Information System (Restricted IS)—devices that do not store, process, or transmit FCI but areconnected to networks that do.

Restricted IS must be accounted for in the self-assessment scope to ensure they do not compromise security controls.

Understanding the Assessment Environment Requirement

During aCMMC Level 2 assessment, assessors requireobjective evidencethat security controls are implementedin the actual operating environmentwhereControlled Unclassified Information (CUI)is handled.

This means thattests or demonstrations must be conducted in the production environment, where the organization’s real systems and security controls are in use.

Why Option B (Production) is Correct

Assessment teams need to validate security controls in the actual environment where they are applied, ensuring that security measures are in effect in thereal-world operating conditions.

Option A (Client)is incorrect because "Client" is not a defined assessment environment.

Option C (Development)is incorrect because testing in a development environmentdoes not accurately represent the production security posture.

Option D (Demonstration)is incorrect becausedemonstrations in a separate test environment do not provide valid evidence for CMMC assessments—actual security implementations must be verified in production.

Official CMMC Documentation References

CMMC Assessment Process (CAP) Guide – Section 3.5 (Assessment Methods)

NIST SP 800-171 Assessment Procedures(Verification must occur in the actual system where CUI resides.)

Final Verification

SinceCMMC assessments require security controls to be validated in the actual production environment, the correct answer isOption B: Production.

Per DoDI 5200.48, Controlled Unclassified Information (CUI), the minimum marking requirement is that the word “CUI” must appear in the header and footer of each page of a document containing CUI. Additional markings such as portion markings or cover sheets may be applied depending on the situation, but the minimum baseline requirement is header and footer placement of "CUI".

Reference Documents:

DoDI 5200.48,Controlled Unclassified Information (CUI)

Understanding the Role of the Lead Assessor in CMMC Assessments

TheLead Assessoris responsible for managing theAssessment Teamand ensuring that all team members meet the required qualifications as defined by theCMMC Accreditation Body (CMMC-AB)and theCybersecurity Maturity Model Certification (CMMC) Assessment Process (CAP) Guide.

Why the Correct Answer is "C. Lead Assessor"?

Lead Assessor’s Key Responsibilities (Per CAP Guide)

Verify team member qualificationsto ensure compliance with CMMC-AB guidelines.

Assignappropriate assessment tasksbased on team members’ expertise.

Ensure that theassessment is conducted in accordance with CMMC procedures.

Why Not the Other Options?

A. C3PAO (Certified Third-Party Assessor Organization)→Incorrect

AC3PAOis responsible fororganizing assessmentsand ensuring their execution, but itdoes not verify individual team member qualifications—that responsibility belongs to theLead Assessor.

B. CMMC-AB (CMMC Accreditation Body)→Incorrect

TheCMMC-ABestablishestraining and certification requirements, but itdoes not verify individual assessment team members—that responsibility is given to theLead Assessor.

D. CMMC Marketplace→Incorrect

TheCMMC Marketplacelists authorizedC3PAOs, Registered Practitioners (RPs), and Certified Professionals (CCPs)butdoes not verify assessment team qualifications.

Relevant CMMC 2.0 References:

CMMC Assessment Process (CAP) Guide– Defines theLead Assessor’s responsibilityfor verifying assessment team qualifications.

CMMC-AB Certification Guide– Specifies that the Lead Assessor must ensure all assessment team members meet CMMC-AB qualification standards.

Final Justification:

Since theLead Assessor is responsible for verifying assessment team member qualifications, the correct answer isC. Lead Assessor.

According to the CMMC Assessment Process (CAP) and the CMMC Level 2 Assessment Guide, an assessment finding is built upon evidence collected through three primary methods: Examine, Interview, and Test. The term "affirmation" in this context refers to the verbal or written statements provided by the Organization Seeking Certification (OSC) personnel to confirm that a practice is implemented as described.

Broad Definition of Evidence: The CAP allows for a wide variety of artifacts to be used as evidence. "Affirmations" are typically captured during the Interview process or found within Examine objects.

Validity of Formats:

Interviews: Direct verbal affirmations from subject matter experts (SMEs).

Emails and Messaging (Chat/Slack/Teams): These are considered valid "Examine" objects (records/artifacts) that serve as written affirmations or evidence of an activity (e.g., an email chain approving a firewall change or a message confirming a system update).

Presentations and Demonstrations: These fall under "Examine" (the presentation slides) and "Test/Examine" (the demonstration of a mechanism).

Why Option C is correct: The CMMC framework does not disqualify digital communications like emails or messaging as evidence. In fact, these are often the primary artifacts used to prove that a process (like an approval workflow or notification) is occurring in practice. As long as the assessor can verify the authenticity and integrity of these communications, they are appropriate for collecting affirmations.

Why Option D is less accurate: While screenshots are indeed used as evidence, the core question asks if thespecificlist (interviews, demonstrations, emails, messaging, presentations) is appropriate. Option C directly validates the list provided in the prompt without introducing extraneous elements like screenshots, which—while valid—are not the focus of the "appropriate" determination for the items listed.

Reference Documents:

CMMC Assessment Process (CAP) v1.0: Section 3.4 (Collect and Verify Evidence), which discusses the types of artifacts and "human evidence" (interviews) that support findings.

CMMC Level 2 Assessment Guide: "Assessment Methods" section, clarifying that evidence can include any records (electronic or physical) that demonstrate the implementation of a practice.

NIST SP 800-171A: The underlying standard for assessment procedures, which encourages the use of various evidence types to satisfy assessment objectives.

TheCMMC Assessment Guideis the best source for determining the sources of evidence for a given practice because it provides specific guidance on how organizations should implement and demonstrate compliance with CMMC practices. Each CMMC level has its own assessment guide (e.g.,CMMC Assessment Guide – Level 1, Level 2), detailing expected evidence and assessment procedures.

Detailed Justification:

CMMC Assessment Guide (Primary Source for Evidence)

TheCMMC Assessment Guideexplicitly outlines the evidence required to verify compliance with each practice.

It provides detailed instructions on assessment objectives, clarifying what assessors should look for when determining compliance.

The guide breaks down each practice intoassessment objectives, helping organizations prepare appropriate documentation and artifacts.

Other Documents and Why They Are Not the Best Choice:

NIST SP 800-53 (Option A)

WhileNIST SP 800-53provides a comprehensive catalog of security and privacy controls, it does not focus on CMMC-specific evidence requirements.

It serves as a foundational cybersecurity framework but does not define the specific artifacts required for CMMC assessment.

NIST SP 800-53A (Option B)

NIST SP 800-53Aprovides guidance on assessing security controls but is not tailored to the CMMC framework.

It includes general control assessment procedures, but theCMMC Assessment Guideis more precise in defining the evidence needed for CMMC compliance.

CMMC Assessment Scope (Option C)

TheCMMC Assessment Scopedocument outlines which systems, assets, and processes are subject to assessment.

While important for defining boundaries, it does not provide details on specific evidence requirements for each practice.

References from Official CMMC Documents:

CMMC Assessment Guide (Level 2) – Section on "Assessment Objectives"

This document details how evidence is collected and evaluated for each CMMC practice.

Example: ForAC.L2-3.1.1 (Access Control – Limit System Access), the guide specifies that assessors should verify documented policies, system configurations, and audit logs.

CMMC Model Overview (Official DoD Documents)

Emphasizes thatCMMC Assessment Guidesare the official reference for determining sources of evidence.

Conclusion:

TheCMMC Assessment Guideis the most authoritative source for determining the required evidence for a given practice in CMMC assessments. It provides detailed breakdowns of assessment objectives, required artifacts, and verification steps necessary for compliance.

Understanding the False Claims Act (FCA) and Whistleblower Protections

TheFalse Claims Act (FCA)(31 U.S.C. §§ 3729–3733) is aU.S. federal lawthat allowswhistleblowers (also known as "relators")to sue on behalf of the federal government if they believe a company issubmitting fraudulent claimsfor government funds.

The FCA includes a"qui tam" provision, which:

✅Allows private individuals to file lawsuits on behalf of the U.S. government.

✅Provides financial rewards to whistleblowersif the lawsuit results in recovered funds.

✅Protects whistleblowers from employer retaliation.

In the context ofCMMC and cybersecurity compliance, theFCA has been used to hold companies accountableformisrepresenting their cybersecurity compliancewhen working with federal contracts.

For example:

If a companyfalsely claimscompliance withCMMC, NIST SP 800-171, or DFARS 252.204-7012butfails to meet security requirements, it could beliable under the FCA.

TheDepartment of Justice (DOJ)has pursued cases under theCyber-Fraud Initiative, using theFCA against defense contractorsfor cybersecurity noncompliance.

Thus, the correct answer isC. False Claims Actbecause it specifically allows whistleblowers tosue on behalf of the federal government.

Why the Other Answers Are Incorrect

A. NIST SP 800-53

❌Incorrect.NIST SP 800-53provides security controls for federal agencies butdoes notcontain whistleblower provisions.

B. NIST SP 800-171

❌Incorrect.NIST SP 800-171outlines security requirements for protectingCUI, but itdoes not have legal mechanismsfor whistleblower lawsuits.

D. Code of Professional Conduct

❌Incorrect. TheCMMC Code of Professional Conductapplies toC3PAOs and assessorsbut doesnot provide a legal basis for whistleblower lawsuits.

CMMC Official References

False Claims Act (31 U.S.C. §§ 3729–3733)– Establishes whistleblower protections and qui tam lawsuits.

DOJ Cyber-Fraud Initiative– Uses the FCA to enforce cybersecurity compliance in government contracts.

DFARS 252.204-7012 & CMMC– Require accurate reporting of cybersecurity compliance, which can lead to FCA violations if misrepresented.

Thus,option C (False Claims Act) is the correct answeras per official legal guidance.

Step 1: Define CUI (Controlled Unclassified Information)

CUI is information thatrequires safeguarding or dissemination controlspursuant to and consistent with applicable law, regulations, and government-wide policies, butis not classifiedunder Executive Order 13526 or the Atomic Energy Act.

✅Step 2: Authority over CUI — NARA’s Role

NARA – National Archives and Records Administration, specifically theInformation Security Oversight Office (ISOO), is thegovernment-wide executive agentresponsible for implementing the CUI program.

Source:

32 CFR Part 2002 – Controlled Unclassified Information (CUI)

Executive Order 13556 – Controlled Unclassified Information

CUI Registry – https://www.archives.gov/cui

NARA:

Maintains theCUI Registry,

Issuesmarking and handling guidance,

DefinesCUI categoriesand their authority under law or regulation,

Trains and informs Federal agencies and contractors on CUI policy.

❌Why the Other Options Are Incorrect

B. NIST

✘NIST (National Institute of Standards and Technology) developstechnical standards(e.g., SP 800-171), but it doesnot define or mark CUI. It helps secure CUI once it’s identified.

C. CMMC-AB (now Cyber AB)

✘The Cyber AB is theCMMC ecosystem’s accreditation body, not a government agency, and hasno authority over CUI classification or marking.

D. Department of Homeland Security (DHS)

✘While DHS mayhandle and protect CUI internally, it is not the executive agent for the CUI program.

NARAis theofficial U.S. government authorityresponsible for defining, categorizing, and marking CUI via theCUI Registryand associated policies underExecutive Order 13556.