Authentic Cyber AB Certification Exam CMMC-CCA Questions Answers

CMMC requires that remote maintenance sessions be terminated after use or after a defined period of inactivity. This ensures third-party maintenance access does not remain open and uncontrolled, preventing unauthorized persistence.

Exact Extracts:

MA.L2-3.7.5: “Require multifactor authentication and terminate remote maintenance sessions after each session or after a defined period of inactivity.”

Assessment Guide clarifies: “Assessors should confirm remote maintenance sessions are automatically terminated using technical means.”

NIST SP 800-171A Objective: “Test maintenance session termination after a set time of inactivity or completion of task.”

Why other options are not correct:

A: Limiting maintenance to third parties only is not a requirement. Internal staff may also perform maintenance.

B: Identification and monitoring are important, but the specific control required here is termination of remote sessions.

C: Limiting the number of personnel is not mandated by CMMC.

When CUI and FCI reside on the same network, the entire environment is considered a CUI environment. The presence of CUI drives the assessment requirement to CMMC Level 2, regardless of whether FCI also exists. Assets cannot be assessed separately under Level 1 vs. Level 2 within the same network boundary.

Exact extracts:

“If CUI is processed, stored, or transmitted within an environment, the environment is in scope for CMMC Level 2.”

“The presence of CUI dictates the assessment level, regardless of whether FCI is also present.”

“Segmentation may reduce scope, but if assets remain within the same environment, all assets fall under Level 2.”

Why other options are incorrect:

B: Level 1 cannot be applied to Server A while Server B undergoes Level 2 in the same network.

C: Presence of CUI means Level 2 is required, not Level 1.

D: Segmentation can reduce scope but is not required before assessment; it is an OSC design choice.

The CMMC Assessment Process (CAP) defines four methods: Examine, Interview, Test, and Observe.

Interview Method: Involves discussions with personnel to gather evidence about the implementation of practices.

In this case, the CCA is discussing with the system administrator to understand processes, which clearly aligns with the Interview method.

Extract:

“Interview: The assessor uses discussions with personnel to obtain evidence about how practices are implemented within the OSC’s environment.”