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To restrict the devices that can be physically connected to a network based on a MAC address, which of the following options can be used?

A Port security

Port Security, also known as MAC Filtering, is used to restrict which devices may physically access the network. This is accomplished by whitelisting whose MAC addresses (the physical addresses of Networking Interface Cards (NICs)) are allowed on the network. It is most commonly done where a network port, such as an RJ-45, is publicly accessible, such as in an organization's waiting area.


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