What is one of the primary overhead fields associated with the Optical Payload Unit (OPU)?()

A . path monitoring B . tandem connection monitoring activation deactivation (TCM ACT) C . Payload Structure Identifier (PSI) D . multiframe alignment signal (MFAS) E . section monitoring

时间:2022-09-11 23:00:35 所属题库:CCIE SP题库

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