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CompTIA Security+ study material · question 321 of 611

NIST describes access control lists and role-based access control as narrow cases of the attribute model. Which attribute does each key off?

  1. Both key off environmental conditions
  2. An ACL keys off identity and RBAC off role
  3. Both key off clearance level
  4. An ACL keys off role and RBAC off identity
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Answer: B. An ACL keys off identity and RBAC off role

ABAC generalises both by allowing rules over many attributes rather than one.

Source: NIST SP 800-162 (NIST) — SP 800-162 § 2.1

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