单选题What is the default function of a secondary path in MPLS?（）A to act as an equal-cost path to the primary pathB to enable another LSP for load balancingC to act as a diverse backup path to the primary pathD to allow the use of explicit path selection vi
题目
单选题
What is the default function of a secondary path in MPLS?（）
A
to act as an equal-cost path to the primary path
B
to enable another LSP for load balancing
C
to act as a diverse backup path to the primary path
D
to allow the use of explicit path selection via EROs
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参考答案和解析
正确答案：
B
解析：
暂无解析