Implementing which of the following is a common method for restricting access to a wireless network based on the hardware address of the client devices?
MAC filtering is a security measure used in wireless networks to deny or allow access to the network based on the MAC address of the devices attempting to connect to it. The MAC address is a unique identifier assigned to network interfaces for communications at the data link layer of a network segment. By filtering these addresses, a network administrator can provide an additional layer of control over which devices can connect to the wireless network. While MAC addresses can sometimes be spoofed, MAC filtering can still be a useful component of a layered security approach.
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What exactly is a MAC address?
How effective is MAC filtering in securing a wireless network?
What are other common methods for securing a wireless network?