Which of the following is a characteristic of a physical address? A. It is assigned by the device manufacturer
B. It is used to route data on the internet
C. It is always 32 bits long
D. It can be changed by software
Question & Answer
Which of the following is a characteristic of a physical address?
1 Answer
Verified archiveThe correct answer is A. It is assigned by the device manufacturer.
Explanation: A physical address, also known as a MAC (Media Access Control) address, is a unique identifier assigned to network interfaces for communications at the data link layer of a network segment. This address is hardcoded into the hardware by the manufacturer and is used within a local network to identify devices. Other options pertain to logical addressing or are incorrect regarding physical addresses.