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VA CERTIFIED ACCESSIBILITY MECHANIC EXAM 2026 PROFESSIONAL CERTIFICATION STUDY COMPENDIUM
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◉ Discretionary Access Control (DAC). Answer: Owner grants permissions to other users. ◉ Mandatory Access Control (MAC). Answer: Access based on clearance level only. ◉ Role-Based Access Control (RBAC). Answer: Access determined by user roles in organizations. ◉ Attribute-Based Access Control (ABAC). Answer: Access based on user and resource attributes. ◉ Subject. Answer: Entity capable of accessing objects. ◉ Object. Answer: Resource that access controls are applied to. ◉ Access Right. Answer: Describes how a subject can access an object.
◉ Read Permission. Answer: Allows viewing of an object's content. ◉ Write Permission. Answer: Allows modification of an object's content. ◉ Execute Permission. Answer: Allows running a program or script. ◉ Delete Permission. Answer: Allows removal of an object. ◉ Create Permission. Answer: Allows making new objects or files. ◉ Search Permission. Answer: Allows searching within an object. ◉ Special Bits. Answer: Additional permissions in *nix systems. ◉ Set User ID (setuid). Answer: Executes a file with owner's permissions. ◉ Set Group ID (setgid). Answer: Executes a file with group's permissions.