Using Q-in-Q Virtual Local Area Network (VLAN) stacking, how does a carrier differentiate onecustomers traffic from that of another?

Question

Options

• AThe provider edge (PE) switch adds an additional field called a PE tag to the customers Layer 2
• BThe PE switch replaces the customers VLAN tag with a carrier-assigned tag.
• CThe PE switch adds a second VLAN tag to identify the customers traffic on the carriers network.
• DThe PE switch assigns a customer-specific priority label to the customers traffic.

• A
  3% (1)
• B
  9% (3)
• C
  82% (28)
• D
  6% (2)

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