Answer :
The deactivation of access to corporate systems and documents after an employee leaves a company is an example of access control authentication.
Any procedure used by a system to confirm the identity of a person attempting to access the system is known as authentication. Authentication is necessary for successful security since access control is frequently based on the identity of the user making a request for access to a resource.
Any procedure through which a system provides or revokes the authority to access some data or take some action is known as authorization. A user frequently needs to enter some sort of authentication to access a system. By comparing the user's identification to an access control list, access control mechanisms decide which operations the user is permitted to perform or not (ACL).
File rights, such as the ability to create, read, edit, or delete a file, are included in access controls, program authorizations, like the ability to run a program. Data permissions, such as the ability to access and modify data in databases.
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