Question

question 2 what statement describes a characteristic of mac addresses? they are only routable within the private network. they are added as part of a layer 3 pdu. they must be globally unique. they have a 32 - bit binary value.

Explanation:

MAC (Media - Access Control) addresses are assigned to network interfaces by device manufacturers and are globally unique identifiers for network - connected devices. They are used in data link layer (Layer 2) and have a 48 - bit binary value. They are not part of Layer 3 PDUs (which use IP addresses) and are not only routable within private networks.

Answer:

They must be globally unique.