What are two major differences between MS-SPRing and SNCP?()
- A、 In an MS-SPRing, all paths are protected.
- B、 MS-SPRing is always a high-order protection.
- C、 A low order circuit cannot be protected by an MS-SPRing.
- D、 There is no theoretical limit in the number of nodes in an SNCP ring.
正确答案:B,D
答案解析:有
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