Which of the following descriptions about business boundary labels is wrong?

Question

Options

• AThere are two types of business boundary tags: User and Service.
• BWhen the user access mode is Ethernet, the Ethernet frame header sent from CE to PE carries T6
• CWhen the service boundary label is User, it means that the user access mode is Ethernet.
• DWhen the service demarcation label is Service, it means that the user access mode is VLAN.

• A
  8% (2)
• B
  77% (20)
• C
  4% (1)
• D
  12% (3)

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