试题详情
- 多项选择题What are two characteristics of dual-ring interconnect in SONET networks? （）(Choose two.)
A、It protects signals against node failures between rings.
B、It protects signals against node failure within a single ring.
C、It allows for traffic to be preempted when a ring switch occurs.
D、Traffic can be dropped and continued at interconnecting nodes.
E、It protects preemptible traffic from being dropped when a ring switch occurs.
- A,D
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