On communication network, the MAC address table is maintained by a what?

The correct answer is A. On a communication network, the MAC address table is maintained by a switch. The switch uses. A switch maintains the MAC address table (also called a Content Addressable Memory, or CAM table) on a communication network. Switches learn MAC addresses dynamically by inspecting the source MAC address of incoming Ethernet frames and recording which port that device is…

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AOn a communication network, the MAC address table is maintained by a switch. The switch uses

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Explanation

A switch maintains the MAC address table (also called a Content Addressable Memory, or CAM table) on a communication network. Switches learn MAC addresses dynamically by inspecting the source MAC address of incoming Ethernet frames and recording which port that device is connected to. This table allows the switch to make intelligent forwarding decisions - sending frames only to the port where the destination device resides, rather than broadcasting to all ports. Since only one answer choice was provided, there are no distractors to evaluate here.

Memory tip: Think "Switch = Smart" - unlike hubs (which blindly broadcast), switches remember who lives where using the MAC table, just like a switchboard operator who knows which line connects to which person.

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#MAC address table#switch#Layer 2#networking

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