Is the following description correct? MAC The address is generally from each manufacturer IEEE You can buy it, but you can also specify it yourself.

Question

Options

• ATrue
• BFalse

• A
  21% (6)
• B
  79% (22)

Explanation

Option B is correct because the statement contains a misleading claim about self-specification. MAC addresses are indeed assigned by manufacturers using an Organizationally Unique Identifier (OUI) prefix that the manufacturer registers with the IEEE, but the MAC address is burned into the network interface card (NIC) at the hardware level by the manufacturer - end users cannot freely specify their own MAC address in this sense. While MAC spoofing (overriding the address in software) is technically possible, this is not an intended or standard feature of the MAC addressing system, and the hardware address itself remains fixed. Option A is wrong because it accepts the flawed claim that MAC addresses can simply be self-specified by anyone, which misrepresents how the globally unique addressing scheme works.

Memory tip: Think of a MAC address like a serial number stamped on a product at the factory - the factory (manufacturer) controls it, using a prefix (OUI) licensed from a central authority (IEEE). You cannot walk into the factory and stamp your own number.

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