What is the purpose of IS-IS level boundaries?（）A、Restrain the formation of adjacencies.B、Control the flooding scope of link-state PDUs.C、Partition the L2 backbone into multiple domains.D、Aggregate L1 domains into a contiguous backbone.
题目
What is the purpose of IS-IS level boundaries?（）
- A、Restrain the formation of adjacencies.
- B、Control the flooding scope of link-state PDUs.
- C、Partition the L2 backbone into multiple domains.
- D、Aggregate L1 domains into a contiguous backbone.
