312-49 · Question #50
MAC filtering is a security access control methodology, where a ___________ is assigned to each network card to determine access to the network
The correct answer is D. 48-bit address. MAC (Media Access Control) filtering uses the 48-bit hardware address burned into each network interface card (NIC) to control network access. A MAC address is 48 bits long, typically represented as six pairs of hexadecimal digits (e.g., 00:1A:2B:3C:4D:5E). Network…
Question
MAC filtering is a security access control methodology, where a ___________ is assigned to each network card to determine access to the network
Options
- A16-bit address
- B24-bit address
- C32-bit address
- D48-bit address
How the community answered
(44 responses)- A5% (2)
- C2% (1)
- D93% (41)
Explanation
MAC (Media Access Control) filtering uses the 48-bit hardware address burned into each network interface card (NIC) to control network access. A MAC address is 48 bits long, typically represented as six pairs of hexadecimal digits (e.g., 00:1A:2B:3C:4D:5E). Network administrators configure an access control list of allowed MAC addresses on routers or access points; only devices whose MAC address matches the list are granted network access. The other options - 16-bit, 24-bit, and 32-bit - are incorrect address sizes for MAC addresses.
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