Networking Essentials / Network foundations
Lesson 5 of 30
MAC addresses
A MAC address is a hardware ID on each network card, like 3C:22:FB:1A:2B:3C. It's used inside a local network; IP addresses are used to cross networks.
Key points
- Six pairs of hex digits
- Used on the local network
- Phones randomise MACs for privacy
Quiz · +10 XP
Where are MAC addresses mainly used?
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