Cyber AB CMMC-CCP - Certified CMMC Professional (CCP) Exam

CMMC 2.0 Level 2 is directly aligned withNIST Special Publication (SP) 800-171, "Protecting Controlled Unclassified Information (CUI) in Nonfederal Systems and Organizations."Organizations seeking certification (OSC) at Level 2 must demonstrate compliance with the 110 security requirements specified inNIST SP 800-171, as mandated byDFARS 252.204-7012.

Why NIST SP 800-171 is Essential for Level 2 Scoping:

Defines the Security Requirements for Protecting CUI:

NIST SP 800-171 outlines 110 security controls that contractors must implement to protectControlled Unclassified Information (CUI)in nonfederal systems.

These controls are categorized under14 families, including access control, incident response, and risk management.

Establishes the Baseline for CMMC Level 2 Compliance:

CMMC 2.0 Level 2 assessments areentirely based on NIST SP 800-171requirements.

Every practice assessed in a Level 2 certification maps directly to a requirement fromNIST SP 800-171 Rev. 2.

Provides Guidance for Implementation & Assessment:

TheNIST SP 800-171A "Assessment Guide"provides detailed assessment objectives that guide OSCs in preparing for CMMC evaluations.

It helps define the scope of an assessment by clarifying how each control should be implemented and verified.

Referenced in CMMC and DFARS Regulations:

DFARS 252.204-7012requires contractors to implementNIST SP 800-171security requirements.

TheCMMC 2.0 Level 2modeldirectly incorporates all 110 requirementsfromNIST SP 800-171, ensuring consistency with DoD cybersecurity expectations.

Explanation of Incorrect Answers:

A. NIST SP 800-53 ("Security and Privacy Controls for Federal Information Systems and Organizations")

This documentapplies to federal systems, not nonfederal entities handling CUI.

While it is the foundation for other security standards, it isnot the basis of CMMC Level 2assessments.

B. NIST SP 800-88 ("Guidelines for Media Sanitization")

This documentfocuses on secure data destructionand media sanitization techniques.

While data disposal is important, this standarddoes not define security controls for protecting CUI.

D. NIST SP 800-172 ("Enhanced Security Requirements for Protecting CUI")

This documentbuilds on NIST SP 800-171and applies to systems needingadvanced cybersecurity protections(e.g., targeting Advanced Persistent Threats).

It isnot required for standard CMMC Level 2 assessments, which only mandateNIST SP 800-171 compliance.

Key References for CMMC Level 2 Scoping:

NIST SP 800-171 Rev. 2(NIST Official Site)

NIST SP 800-171A (Assessment Guide)(NIST Official Site)

CMMC 2.0 Level 2 Scoping Guide(Cyber AB)

Conclusion:

SinceCMMC 2.0 Level 2 assessments are based entirely on NIST SP 800-171, this document is the most relevant resource for scoping Level 2 assessments. Therefore, the correct answer is:

✅C. NIST SP 800-171

1. Understanding the Role of Assessment Objectives in CMMC 2.0

Theassessment objectivesfor each CMMC practice define thespecific criteriathat an assessor uses to evaluate whether a practice is implemented correctly. These objectives break down each control into measurable components, ensuring a structured and consistent assessment process.

To determine where these objectives are best documented, we need to consider theofficial CMMC documentation sources.

2. Why Answer Choice "D" is Correct – CMMC Assessment Guide Levels 1 and 2

TheCMMC Assessment Guide (Levels 1 & 2)is theprimary documentthat provides:

✅The detailedassessment objectivesfor each practice

✅A breakdown of the expectedevidence and implementation details

✅Step-by-stepassessment criteriafor assessors to verify compliance

Each CMMC practice in the Assessment Guide is aligned with the correspondingNIST SP 800-171 or FAR 52.204-21 control, and the guide specifies:

How to assess compliancewith each practice

What evidenceis required for validation

What stepsan assessor should follow

📌 Reference from Official CMMC Documentation:

CMMC Assessment Guide – Level 2 (Aligned with NIST SP 800-171)explicitly states:

"Each practice is assessed based on defined assessment objectives to determine if the practice is MET or NOT MET."

CMMC Assessment Guide – Level 1 (Aligned with FAR 52.204-21)provides similar objectives tailored for foundational cybersecurity requirements.

Thus,CMMC Assessment Guide Levels 1 & 2 are the BEST sources for assessment objectives.

3. Why Other Answer Choices Are Incorrect

Option

Reason for Elimination

A. CMMC Glossary

❌The glossary only defines terminology used in CMMC but does not provide assessment objectives.

B. CMMC Appendices

❌The appendices contain supplementary details, but they do not comprehensively list assessment objectives for each practice.

C. CMMC Assessment Process (CAP)

❌While the CAP document describes the assessmentworkflow and methodology, it does not outline the specific objectives for each practice.

4. Conclusion

To locate thebest reference for assessment objectives, theCMMC Assessment Guide Levels 1 & 2are the most authoritative and detailed sources. They contain step-by-step assessment criteria, ensuring that practices are evaluated correctly.

✅Final Answer:

D. CMMC Assessment Guide Levels 1 and 2

When preparing forCMMC compliance, organizations must ensure that theirnetwork configurations align with required cybersecurity controls. Ifnetwork administratorsdisagree on certain configurations, the mostobjective and accurateway to resolve the disagreement is by referencingofficial CMMC guidanceandNIST SP 800-171 requirements, which form the foundation of CMMC Level 2.

Step-by-Step Breakdown:

CMMC Assessment Guides as the Primary Reference

TheCMMC Assessment Guides (Level 1 & Level 2)provide clearinterpretationsof security practices.

Theyexplain how each practice should be implemented and assessedduring certification.

NIST SP 800-171 as the Compliance Baseline

CMMC Level 2is based directly onNIST SP 800-171, which outlines the110 security controlsrequired for protectingControlled Unclassified Information (CUI).

Network configurations must complywith NIST-defined security requirements, including:

Access Control (AC) – Ensuring least privilege principles.

Audit and Accountability (AU) – Logging and monitoring network activity.

System and Communications Protection (SC) – Secure network design and encryption.

Why the Other Answer Choices Are Incorrect:

(A) Consult with the CEO of the company:

ACEO is not necessarily a cybersecurity expertand may not be familiar with CMMC technical requirements.

Technical compliance decisions should be based onCMMC and NISTframeworks, not executive opinions.

(C) Go with the network administrator's ideas with the least stringent controls:

Choosingless stringent controls increases security riskand could lead toCMMC non-compliance.

(D) Go with the network administrator's ideas with the most stringent controls:

While security is important,more stringent controlsmay introduceoperational inefficienciesorunnecessary coststhat are not required for compliance.

The correct approach is to implement what is required by CMMC and NIST SP 800-171, no more and no less.

Final Validation from CMMC Documentation:

TheCMMC Assessment GuidesandNIST SP 800-171 Rev. 2areofficial sourcesthat provide the most reliable guidance on compliance.

CMMC Level 2 is entirely based on NIST SP 800-171, making it the definitive source for resolving security disagreements.

Thus, the correct answer is:

B. Consult the CMMC Assessment Guides and NIST SP 800-171.

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.

In the context of the Cybersecurity Maturity Model Certification (CMMC) 2.0, particularly at Level 2, organizations are required to implement stringent controls to protect Controlled Unclassified Information (CUI). This includes adhering to specific practices related to media protection and physical security.

Media Protection (MP):

MP.L2-3.8.1 – Media Protection: Organizations must protect (i.e., physically control and securely store) system media containing CUI, both paper and digital. This ensures that sensitive information is not accessible to unauthorized individuals.

Defense Innovation Unit

MP.L2-3.8.3 – Media Disposal: It is imperative to sanitize or destroy information system media containing CUI before disposal or release for reuse. This practice prevents potential data breaches from discarded or repurposed media.

Defense Innovation Unit

Physical Protection (PE):

PE.L2-3.10.2 – Monitor Facility: Organizations are required to protect and monitor the physical facility and support infrastructure for organizational systems. This includes ensuring that areas where CUI is processed or stored are secure and access is controlled.

Defense Innovation Unit

Application to the Scenario:

Given that the Organization Seeking Certification (OSC) operates within a shared, multi-tenant building and utilizes a common conference room for assessments, the following considerations are crucial:

Reviewing the Evidence File: The evidence file, which contains CUI, should be reviewed on a secure, authorized device to prevent unauthorized access or potential data leakage.

Printing the Evidence File: If printing is necessary, ensure that the printer is located in a secure area, and the printed documents are retrieved immediately to prevent unauthorized viewing.

Making Notes: Any notes derived from the evidence file should be treated with the same level of security as the original document, especially if they contain CUI.

Disposal of Printed Materials: After the assessment, all printed materials and notes containing CUI must be destroyed using a cross-cut shredder. Cross-cut shredding ensures that the information cannot be reconstructed, thereby maintaining confidentiality.

totem.tech

Options A and D are inadequate as they involve leaving sensitive information in unsecured locations, which violates CMMC physical security requirements. Option B, while secure in terms of digital handling, does not address the proper disposal of any physical copies that may have been made. Therefore, Option C is the best practice, aligning with CMMC 2.0 guidelines by ensuring that all physical media containing CUI are properly reviewed, securely stored during use, and thoroughly destroyed when no longer needed.

Understanding Ethical Responsibility in the CMMC Ecosystem

Ethics in theCMMC ecosystemis ashared responsibilitybetween theCMMC Accreditation Body (CMMC-AB)and itsmembers. TheCMMC-AB Code of Professional Conductoutlines ethical obligations forassessors, consultants, and other ecosystem participantsto ensure integrity, fairness, and professionalism.

Key Ethical Responsibilities Include:

CMMC-AB ensures the accreditation process remains fair, unbiased, and ethical.

CMMC ecosystem members (assessors, consultants, and organizations) are responsible for upholding ethical practices in assessments and implementations.

Ethical violations can result indisciplinary actions, revocation of certification, or legal consequences.

Why is the Correct Answer "CMMC-AB and Members of the CMMC Ecosystem" (C)?

A. DoD and CMMC-AB → Incorrect

TheDoD oversees CMMC implementation, butit is not responsible for the ethical conduct of CMMC assessments.

B. OSC and Sponsors → Incorrect

TheOrganization Seeking Certification (OSC)is responsible for compliance but doesnot oversee ethics in the CMMC ecosystem.

C. CMMC-AB and Members of the CMMC Ecosystem → Correct

Ethics is explicitly stated as ajoint responsibility of the CMMC-AB and its ecosystem membersin official CMMC guidance.

D. Members of the CMMC Ecosystem and Lead Assessors → Incorrect

Lead Assessors are part of theCMMC ecosystem, butCMMC-AB is the governing body responsible for ethical oversight.

CMMC 2.0 References Supporting this Answer:

CMMC-AB Code of Professional Conduct

Defines ethical responsibilities forassessors, consultants, and ecosystem members.

CMMC Ecosystem Governance Policies

Ethics isjointly managed by CMMC-AB and its accredited ecosystem members.

CMMC Assessment Process (CAP) Document

Outlines ethical expectations forassessors and consultantsduring certification assessments.

Understanding the CMMC Assessment Process

TheCMMC Assessment Process (CAP)consists offour phases, each with specific tasks and objectives.

Phase 1: Plan and Prepare Assessment– Planning, scheduling, and preparing for the assessment.

Phase 2: Conduct Assessment–Gathering and verifying evidence, conducting interviews, and evaluating compliance.

Phase 3: Report Recommended Assessment Results– Documenting findings and reporting results.

Phase 4: Remediation of Outstanding Assessment Issues– Allowing the organization to address any deficiencies.

Why "Phase 2: Conduct Assessment" is Correct?

DuringPhase 2: Conduct Assessment, theAssessment Teamperforms key activities, including:

✅Identifying required evidencefor compliance verification.

✅Obtaining and reviewing artifacts(e.g., security policies, configurations, logs).

✅Verifying the sufficiency of evidenceagainst CMMC practice requirements.

✅Interviewing key personneland observing cybersecurity implementations.

Since the question specifically mentions"identify, obtain inventory, and verify evidence,"this task directly falls underPhase 2: Conduct Assessment.

Breakdown of Answer Choices

Option

Description

Correct?

A. Phase 1: Plan and Prepare Assessment

❌Incorrect–This phase focuses onscheduling, logistics, and planning, not evidence collection.

B. Phase 2: Conduct Assessment

✅Correct – This phase involves gathering, verifying, and reviewing evidence.

C. Phase 3: Report Recommended Assessment Results

❌Incorrect–This phasedocumentsresults but doesnotcollect evidence.

D. Phase 4: Remediation of Outstanding Assessment Issues

❌Incorrect–This phase focuses oncorrective actions, not evidence collection.

Official References from CMMC 2.0 Documentation

CMMC Assessment Process Guide (CAP)–Phase 2: Conduct Assessmentexplicitly includes tasks such asgathering and verifying evidence.

Final Verification and Conclusion

The correct answer isB. Phase 2: Conduct Assessment, as this phase includesidentifying, obtaining, and verifying evidence, which is critical for determining CMMC compliance.

Understanding the Role of the DoD CIO Office in CMMC

TheDepartment of Defense (DoD) Chief Information Officer (CIO) officeis theprimary authorityresponsible for leading the direction, standards, and best practices of theCybersecurity Maturity Model Certification (CMMC)framework.

Why "B. DoD CIO Office" is Correct?

The DoD CIO Oversees CMMC Policy and Implementation

TheDoD CIO Office is responsible for the governance and strategic direction of CMMC.

It ensures thatCMMC aligns with DoD cybersecurity policies, such asDoD Instruction 5200.48 (Controlled Unclassified Information)andNIST SP 800-171.

CMMC Development and Evolution

TheDoD CIO played a critical role in launching CMMCto improve cybersecurity across theDefense Industrial Base (DIB).

The CIO office leadspolicy development and updates to the CMMC framework, including the transition fromCMMC 1.0 to CMMC 2.0.

Alignment of CMMC with Federal Cybersecurity Strategy

The DoD CIO ensures that CMMCintegrates with federal cybersecurity policiesandNIST frameworks.

It provides oversight formapping CMMC Levels (1-2-3) to existing cybersecurity standards and controls.

Why Other Answers Are Incorrect?

A. NIST (Incorrect)

TheNational Institute of Standards and Technology (NIST)provides thetechnical framework (NIST SP 800-171, SP 800-172), butNIST does not lead the CMMC program.

C. Federal CIO Office (Incorrect)

TheFederal CIO focuses on broader government IT policiesandnot specifically on DoD cybersecurity requirementslike CMMC.

D. Defense Federal Acquisition Regulation Council (Incorrect)

TheDFARS Counciloverseescontracting regulationsrelated to CMMC (e.g.,DFARS 252.204-7012, 7019, 7020, 7021), but it doesnot lead CMMC standards and best practices.

Conclusion

The correct answer isB. DoD CIO Office, as it isthe lead authority guiding the CMMC framework, standards, and implementation across the Defense Industrial Base (DIB).

Understanding the Role of NIST SP 800-171 in CMMC

NIST Special Publication (SP)800-171is the definitive standard for protectingControlled Unclassified Information (CUI)innonfederal systems and organizations. It provides security requirements that organizations handling CUImust implementto protect sensitive government information.

This document isthe foundationofCMMC 2.0 Level 2compliance, which aligns directly withNIST SP 800-171 Rev. 2requirements.

Breakdown of Answer Choices

NIST SP

Title

Relevance to CMMC

NIST SP 800-37

Risk Management Framework (RMF)

Focuses on risk assessment for federal agencies, not directly applicable to CUI in nonfederal systems.

NIST SP 800-53

Security and Privacy Controls for Federal Systems

Provides security controls forfederalinformation systems, not specifically tailored tononfederalorganizations handling CUI.

NIST SP 800-88

Guidelines for Media Sanitization

Covers secure data destruction and disposal, not overall CUI protection.

NIST SP 800-171

Protecting Controlled Unclassified Information in Nonfederal Systems and Organizations

✅Correct Answer – Directly addresses CUI protection in contractor systems.

Key Requirements from NIST SP 800-171

The document outlines110 security controlsgrouped into14 families, including:

Access Control (AC)– Restrict access to authorized users.

Audit and Accountability (AU)– Maintain system logs and monitor activity.

Incident Response (IR)– Establish an incident response plan.

System and Communications Protection (SC)– Encrypt CUI in transit and at rest.

These controls serve as thebaseline requirementsfor organizations seekingCMMC Level 2 certificationto work withCUI.

Official Reference from CMMC 2.0 Documentation

CMMC 2.0 Level 2alignsdirectlywith NIST SP800-171 Rev. 2.

DoD contractors that handle CUImustcomply withall 110 controlsfrom NIST SP800-171.

Final Verification and Conclusion

The correct answer isD. NIST SP 800-171, as this documentexplicitly definesthe cybersecurity requirements for protectingCUI in nonfederal systems and organizations.

Understanding Assessment Methods in CMMC 2.0

According to theCMMC Assessment Process (CAP) Guide, assessors usethree primary assessment methodsto determine compliance with security practices:

Examine– Reviewing documents, policies, configurations, and system records.

Interview– Speaking with personnel to gather insights into security processes.

Test– Performing technical validation of system functions and security controls.

Why Option C (Examine) is Correct

TheAssessment Team Memberis inspectingAssessment Objects(e.g., system configurations, user access control settings, policies) to determine if the OSC's evidence is sufficient forAC.L1-3.1.1 (Access Control – Authorized Users).

This activity aligns directly with theExaminemethod, which involves reviewing artifacts such as:

Access control lists (ACLs)

System user authentication logs

Account management policies

Role-based access control settings

"Observe" (Option B)is incorrect because "observing" is not an official assessment method in CMMC.

"Test" (Option A)is incorrect because the assessment is not actively executing a function but ratherreviewingevidence.

"Interview" (Option D)is incorrect because no personnel are being questioned—only documentation is being reviewed.

Official CMMC Documentation References

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

CMMC Level 2 Assessment Guide – Access Control Practices (AC.L1-3.1.1)

Final Verification

Since the activity involves reviewing documents and records to verify access control measures, it falls under theExaminemethod, makingOption C the correct answer.