Which of the following descriptions about ODUk SNCP protection are correct? (Multiple choice)

The correct answer is A. Protection principle: dual-feed selective reception, single-ended switching, non-recovery by default B. ODUk SNCP protection can be applied to various forms of networking, with great flexibility C. Trigger condition: the board is not in place or SF/SD condition. See the full explanation below for the reasoning.

Question

Options

AProtection principle: dual-feed selective reception, single-ended switching, non-recovery by default
BODUk SNCP protection can be applied to various forms of networking, with great flexibility
CTrigger condition: the board is not in place or SF/SD condition
DWhen the recovery mode is recovery mode, the APS protocol is required

How the community answered

(23 responses)

A
70% (16)
D
30% (7)

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