Which two statements about MPLS label-switched paths (LSPs) are true? （）A、LSPs are bidirectional.B、LSPs are unidirectional.C、LSPs must follow the IGP's shortest path.D、LSPs can follow paths other than the IGP's shortest path.
Which two statements about MPLS label-switched paths (LSPs) are true? （）
- A、LSPs are bidirectional.
- B、LSPs are unidirectional.
- C、LSPs must follow the IGP's shortest path.
- D、LSPs can follow paths other than the IGP's shortest path.
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