• In a Local Area Network (LAN), a Layer 3 Switch is commonly used to ensure that data packets are efficiently forwarded to the correct device based on its MAC address.
• LAN is a Network connecting devices within a limited geographical area (e.g., home, office, building, campus).
• Networking Devices:
• Hubs (Older): Simple devices that broadcast incoming signals to all connected devices. Less efficient.
• Switches (Modern): More intelligent; forward data only to the intended destination device based on MAC addresses. Enhance efficiency and security.
• Routers (for LAN connection to WAN): Connect the LAN to a wider network (like the internet).
Study Notes
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