nerdexam
(ISC)2

SSCP · Question #1087

A Security Reference Monitor relates to which DoD security standard?

The correct answer is B. C2. A Security Reference Monitor is a fundamental concept associated with the C2 level of the DoD Trusted Computer System Evaluation Criteria (TCSEC) standard.

Submitted by mike_84· Apr 18, 2026Security Concepts and Practices

Question

A Security Reference Monitor relates to which DoD security standard?

Options

  • ALC3
  • BC2
  • CD1
  • DL2TP
  • ENone of the items listed

How the community answered

(65 responses)
  • B
    89% (58)
  • C
    2% (1)
  • D
    6% (4)
  • E
    3% (2)

Why each option

A Security Reference Monitor is a fundamental concept associated with the C2 level of the DoD Trusted Computer System Evaluation Criteria (TCSEC) standard.

ALC3

LC3 is not a recognized DoD security standard or evaluation level within the TCSEC framework.

BC2Correct

The C2 level of the DoD TCSEC, also known as the 'Orange Book,' mandates the implementation of a Security Reference Monitor. This monitor is an abstract mechanism that mediates all access attempts by subjects to objects, ensuring that security policies are strictly enforced and access control is maintained.

CD1

D1 is the lowest security level in TCSEC, offering minimal protection and not requiring the full conceptualization of a Security Reference Monitor.

DL2TP

L2TP (Layer 2 Tunneling Protocol) is a network protocol for virtual private networks, not a DoD security standard for system evaluation.

ENone of the items listed

Choice B is correct, rendering 'None of the items listed' incorrect.

Concept tested: DoD TCSEC C2 security requirements

Source: https://en.wikipedia.org/wiki/Trusted_Computer_System_Evaluation_Criteria

Topics

#Security Reference Monitor#TCSEC (Orange Book)#DoD Security Standards#Trusted Computing Base

Community Discussion

No community discussion yet for this question.

Full SSCP Practice