In the context of a computer system, "access controls" are used to: B. prevent or allow entry - that is, control the system’s "perimeter."
<h3>What is access control?</h3>
An access control can be defined as a security technique that is designed and developed to enable a computer system (workstation) determine whether or not an end user has the minimum requirement, permissions and credentials to access, use or view the file(s) and folder resources that are stored on a computer.
This ultimately implies that, an access control is a security feature which helps to prevent or allow entry of an end user, who wishes to use a computer system.
In the context of a computer system, we can infer and logically deduce that "access controls" are used to prevent or allow entry -i.e it control the computer system’s "perimeter."
Read more on access control here: brainly.com/question/3521353
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