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4A0-104 · Question #110

Which of the following statements best describes how an FDB is populated with MAC addresses in a VPLS service?

The correct answer is C. The router reads the source MAC address of packets passing through the service. See the full explanation below for the reasoning.

Question

Which of the following statements best describes how an FDB is populated with MAC addresses in a VPLS service?

Options

  • AA VPLS service does not use an FDB.
  • BThe router reads the destination MAC address of packets passing through the service.
  • CThe router reads the source MAC address of packets passing through the service.
  • DThe router uses reverse ARP (RARP) to resolve the MAC addresses for unknown destinations.
  • EThe router is programmed with MAC addresses by the network administrator.

How the community answered

(43 responses)
  • A
    5% (2)
  • B
    7% (3)
  • C
    72% (31)
  • D
    2% (1)
  • E
    14% (6)

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