Inopticalchanneltransportunitoverhead(OTUOH),whataregeneralcommunicationchannels1and2(GCC1／GCC2)usedfor?() A.fortrailtraceidentificationB.asthebackwarddefectindicatorC.totransmitinformationbetweenOTUterminationpointsD.toextendcommandandmanagementfunctionsoverseveralframesE.Generalcommunicationchannels1and2（GCC1/GCC2）donotbelongtoOTUOH
Inopticalchanneltransportunitoverhead(OTUOH),whataregeneralcommunicationchannels1and2(GCC1／GCC2)usedfor?()
A.fortrailtraceidentification
B.asthebackwarddefectindicator
C.totransmitinformationbetweenOTUterminationpoints
D.toextendcommandandmanagementfunctionsoverseveralframes
E.Generalcommunicationchannels1and2（GCC1/GCC2）donotbelongtoOTUOH
相关考题：
On a WLAN controller， what is the default limit on the number of entries in the database that will be usedfor local authentication？（）A、50B、128C、512D、1024
Which three of these are optical channel data unit （ODU） overhead fields？ （）A、general communication channel 0 （GCC0）B、section monitoringC、reserved （RES）D、general communication channels 1 and 2 （GCC1 GCC2）E、tandem connection monitoring activation deactivation （TCM ACT）
In optical channel transport unit overhead （OTU OH）， what are general communication channels 1 and 2（GCC1/GCC2） used for？（）A、for trail trace identificationB、as the backward defect indicatorC、to transmit information between OTU termination pointsD、to extend command and management functions over several framesE、General communication channels 1 and 2 （GCC1/GCC2） do not belong to OTU OH
单选题On a WLAN controller， what is the default limit on the number of entries in the database that will be usedfor local authentication？（）A50B128C512D1024
单选题In optical channel transport unit overhead （OTU OH）， what are general communication channels 1 and 2（GCC1/GCC2） used for？（）Afor trail trace identificationBas the backward defect indicatorCto transmit information between OTU termination pointsDto extend command and management functions over several framesEGeneral communication channels 1 and 2 （GCC1/GCC2） do not belong to OTU OH