VLAN Services SONIC-DEPLOY Practice Questions (Page 4)

Questions 16–16

1. 16foundation · easy

   A service provider needs to transport multiple customer VLANs across a shared backbone while keeping each customer's VLAN space isolated. Which technique is designed for this purpose?

   • APrivate VLANs, which isolate ports within the same VLAN on a single switch.
   • BVLAN translation, which replaces the customer VLAN ID with a backbone VLAN ID at the edge.
   • CLink aggregation, which bundles multiple physical links to increase bandwidth and redundancy.
   • DQ-in-Q tunneling, which adds an outer VLAN tag to customer frames to separate traffic from different customers on the backbone.
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