156-816.61 · Question #37
Virtual Switches make packet-forwarding decisions based on which of the following?
The correct answer is A. MAC Address. Virtual switches operate at Layer 2 (Data Link) of the OSI model, making forwarding decisions based on MAC addresses - they maintain a MAC address table to determine which port to send frames out of, just like physical switches. IP addresses (B) and routing tables (C) are Layer…
Question
Virtual Switches make packet-forwarding decisions based on which of the following?
Options
- AMAC Address
- BIP Address
- CRouting Table
- DSubnet mask
- ETraffic Flow Direction
How the community answered
(61 responses)- A90% (55)
- B3% (2)
- C2% (1)
- D5% (3)
Explanation
Virtual switches operate at Layer 2 (Data Link) of the OSI model, making forwarding decisions based on MAC addresses - they maintain a MAC address table to determine which port to send frames out of, just like physical switches. IP addresses (B) and routing tables (C) are Layer 3 concepts used by routers, not switches. Subnet masks (D) are used for IP network segmentation and have no role in switch forwarding logic. Traffic flow direction (E) is not a forwarding criterion - switches are direction-agnostic and simply learn which MAC lives on which port.
Memory tip: Think "Switches = Street address (MAC)" vs. "Routers = Region/ZIP code (IP)" - switches know the specific device address on their local segment, routers know how to reach distant networks.
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