试题详情
- 单项选择题Why is an OC-3 2F-BLSR not feasible?（）
A、Switch times would exceed 50 ms for an OC-3 BLSR ring.
B、An equal amount of working and protect bandwidth is required.
C、DCC bandwidth is not large enough to handle K1/K2 processing.
D、There is not enough bandwidth in an OC-3 ring to justify BLSR protection.
- B
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