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Juniper

JN0-343 · Question #124

An EX Series switch receives an Ethernet frame with a destination MAC address that is not in the bridging table. How does the Junos OS handle the received frame?

The correct answer is D. The Junos OS learns the source MAC address and floods the frame. See the full explanation below for the reasoning.

Question

An EX Series switch receives an Ethernet frame with a destination MAC address that is not in the bridging table. How does the Junos OS handle the received frame?

Options

  • AThe Junos OS learns the source MAC address and drops the frame.
  • BThe Junos OS learns the source MAC address and floods discovery BPDUs.
  • CThe Junos OS learns the source MAC address forwards the frame towards the root bridge.
  • DThe Junos OS learns the source MAC address and floods the frame.

How the community answered

(33 responses)
  • A
    6% (2)
  • B
    3% (1)
  • C
    9% (3)
  • D
    82% (27)

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Full JN0-343 Practice