Answer: 48 bits
Step-by-step explanation:MAC (Media Access control) address is the the unique identity provided to the device in a particular network. The communication taking place in a networking is done by the MAC address .
MAC address is a hexadecimal value of 12 digit which is found on the network interface card (NIC). The address is of 6 bytes which is equals to 48 bits.
Example of MAC address- 00:0b:95:9a:62:15