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Juniper

JN0-280 · Question #28

What happens if a frame with a known destination MAC address enters a switch?

The correct answer is C. The ingress PFE performs a MAC address lookup and determines the egress PFE and port. See the full explanation below for the reasoning.

Question

What happens if a frame with a known destination MAC address enters a switch?

Options

  • AThe egress PFE performs a MAC address lookup and determines the ingress PFE and port.
  • BThe ingress PFE sends the header information to the RE.
  • CThe ingress PFE performs a MAC address lookup and determines the egress PFE and port.
  • DThe MAC address is added to the bridge table.

How the community answered

(45 responses)
  • A
    16% (7)
  • B
    9% (4)
  • C
    71% (32)
  • D
    4% (2)

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Full JN0-280 Practice