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coverage

Definition(s):

  An attribute associated with an assessment method that addresses the scope or breadth of the assessment objects included in the assessment (e.g., types of objects to be assessed and the number of objects to be assessed by type). The values for the coverage attribute, hierarchically from less coverage to more coverage, are basic, focused, and comprehensive.
Source(s):
NIST SP 800-137 under Coverage from NISTIR 7298
NIST SP 800-53A Rev. 5
CNSSI 4009-2015 [Superseded] from NIST SP 800-53A Rev. 1, NIST SP 800-137
NIST SP 800-53A Rev. 4 [Superseded] under Coverage

  The surface area or space volume in which the signals are adequate to permit the user to determine a position to a specified level of accuracy. Coverage is influenced by system geometry, signal power levels, receiver sensitivity, atmospheric noise conditions, and other factors that affect signal availability.
Source(s):
NISTIR 8323 under Coverage from USG FRP (2021)