Networking第 46 / 100 题
What is a MAC address?
a.A temporary address assigned by DHCP
b.The name of a website
c.A unique hardware identifier assigned to a network interface
d.A type of encryption key
解析
A MAC (Media Access Control) address is a unique identifier burned into a network interface card by the manufacturer. It operates at the data link layer and is used for communication within a local network segment. Unlike IP addresses, MAC addresses are generally fixed to the hardware.
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