Computer Science for IGCSE & O level - Data Representation (Section 11 - No. 1)
Which statements are accurate regarding MAC addresses?
They are unique identifiers assigned to network interfaces.
They are used for routing data packets across networks.
They are typically written in hexadecimal format.
They can be changed easily for privacy reasons.
Explicación
MAC addresses uniquely identify network interface cards. However, for most reasons, a MAC address can not be changed.