In an MPLS VPN network, which of the following descriptions conforms to the allocation logic of "VPN label (inner label)"?

Question

Options

• AAssigned by the P device according to the backbone network topology, used to identify the
• BAssigned by the PE device based on the VPN instance, used to identify the VPN to which the data
• CAssigned by the CE device based on local routing, used to identify the service type.
• DFixed to a default value, not changing with VPN instance.

• A
  4% (2)
• B
  73% (35)
• C
  6% (3)
• D
  17% (8)

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