nerdexam
(ISC)2

CGRC · Question #480

NIST SP 800-53 describes a family of controls as: Response:

The correct answer is A. A grouping of like controls covering the same subject. NIST SP 800-53 describes a family of controls as a grouping of like controls that cover the same subject area within information security.

Selection and Approval of Framework, Security, and Privacy Controls

Question

NIST SP 800-53 describes a family of controls as:

Response:

Options

  • AA grouping of like controls covering the same subject
  • BA grouping of interoperating controls from all three classes of controls
  • CA grouping of controls that when applied provides a complete protection package for a single
  • DA grouping of control tests from NIST SP 800-53A that corresponds to a class of controls in NIST

How the community answered

(42 responses)
  • A
    93% (39)
  • B
    5% (2)
  • D
    2% (1)

Why each option

NIST SP 800-53 describes a family of controls as a grouping of like controls that cover the same subject area within information security.

AA grouping of like controls covering the same subjectCorrect

NIST SP 800-53 organizes security controls into "families," where each family consists of controls that share a common security objective or subject area, such as Access Control (AC) or Audit and Accountability (AU). This organization helps in categorizing and managing controls systematically to ensure comprehensive security coverage across different facets of an information system.

BA grouping of interoperating controls from all three classes of controls

While controls often interoperate, a family is defined by its common subject area, not necessarily by interoperation across all three classes of controls (technical, operational, management).

CA grouping of controls that when applied provides a complete protection package for a single

This definition is too broad and does not accurately capture the specific NIST concept of a "family" as a subject-based grouping of controls.

DA grouping of control tests from NIST SP 800-53A that corresponds to a class of controls in NIST

Control tests from NIST SP 800-53A are for assessing controls, and a "family" refers to a grouping of the controls themselves, not their tests or corresponding classes.

Concept tested: NIST SP 800-53 control families

Source: csrc.nist.gov/publications/detail/sp/800-53/rev-5/final

Topics

#NIST SP 800-53#Control Families#Information Security Controls#Definitions

Community Discussion

No community discussion yet for this question.

Full CGRC Practice