Which term describes the act of spoofing the NIC's MAC address to impersonate another device?

Which term describes the act of spoofing the NIC's MAC address to impersonate another device?

• A. MAC duplicating
• B. TMAC
• C. XArp
• D. DAI

Answer: (B)

Spoofing the NIC’s MAC address to impersonate another device means you change your network card’s hardware address to match that of a different host, effectively pretending to be that device on the network. The best term for this action is TMAC, which stands for Target MAC address spoofing. It specifically describes setting your NIC to the target’s MAC so other devices treat you as that host, which can bypass MAC-based controls and enable traffic manipulation, especially when paired with ARP-related tricks. The other options don’t fit as precisely: XArp is a tool used to perform ARP spoofing, not the act of changing your own MAC; Dynamic ARP Inspection (DAI) is a defensive mechanism used to detect and prevent ARP spoofing; MAC duplicating is a descriptive phrase but isn’t the standard term used to describe the act of impersonating another device by adopting its MAC.

Spoofing the NIC’s MAC address to impersonate another device means you change your network card’s hardware address to match that of a different host, effectively pretending to be that device on the network. The best term for this action is TMAC, which stands for Target MAC address spoofing. It specifically describes setting your NIC to the target’s MAC so other devices treat you as that host, which can bypass MAC-based controls and enable traffic manipulation, especially when paired with ARP-related tricks.

The other options don’t fit as precisely: XArp is a tool used to perform ARP spoofing, not the act of changing your own MAC; Dynamic ARP Inspection (DAI) is a defensive mechanism used to detect and prevent ARP spoofing; MAC duplicating is a descriptive phrase but isn’t the standard term used to describe the act of impersonating another device by adopting its MAC.