- 搜標題
- 搜題干
- 搜選項
單項選擇題
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
