200-901 · Question #20
What is an example of a network interface hardware address?
The correct answer is D. MAC address. A MAC (Media Access Control) address is the hardware address assigned to a network interface card (NIC) at the physical layer. It uniquely identifies a device on a local network segment.
Question
What is an example of a network interface hardware address?
Options
- Adomain name
- BIP address
- Cworkstation name
- DMAC address
How the community answered
(23 responses)- A4% (1)
- B4% (1)
- D91% (21)
Why each option
A MAC (Media Access Control) address is the hardware address assigned to a network interface card (NIC) at the physical layer. It uniquely identifies a device on a local network segment.
A domain name is a human-readable logical identifier resolved via DNS; it is not tied to hardware.
An IP address is a logical Layer 3 address assigned by software or DHCP and is not burned into hardware.
A workstation name is a logical hostname assigned by an administrator or OS and is not a hardware-level identifier.
A MAC address is a 48-bit hardware identifier burned into a NIC by the manufacturer, represented as six pairs of hexadecimal digits (e.g., 00:1A:2B:3C:4D:5E). It operates at OSI Layer 2 and is used for frame delivery within a local network, making it the definition of a network interface hardware address.
Concept tested: MAC address as network interface hardware identifier
Source: https://www.cisco.com/c/en/us/support/docs/802-1x-authentication/13600-mac-address-ov.html
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