A 48-bit physical address permanently assigned to a network interface at the time of manufacture. MAC addresses are globally unique — no two devices worldwide share the same address. They are used at the data-link layer to control communication within a LAN, and wireless networks can apply MAC address filtering to restrict which specific devices are allowed to connect.

Past questions testing this term · 2 questions

• 2018h30a #87無線 LAN のアクセス制御機能を使用して、ネットワークに接続できる端末を特定の PC、プリンタ、ゲーム機などに限定したい。このとき、端末の識別に使用する情報と…
• 2016h28h #68MACアドレスに関する記述のうち，適切なものはどれか。