客户支撑维护人员单项选择题每日一练(2019.07.25)

A.10ms
B.50ms
C.80ms
D.100ms

A.75欧
B.120欧
C.以上均可

A.2
B.4
C.7
D.3

A.低频
B.中频
C.高频

A.2Mbps→C12→VC12→TU12→TUG2→VC3→AU3→AUG→STM-N
B.2Mbps→C12→VC12→TU12→TUG2→TUG3→AU3→AUG→STM-N
C.2Mbps→C12→VC12→TU12→TUG2→TUG3→VC4→STM-N
D.2Mbps→C12→VC12→TU12→TUG2→TUG3→VC4→AU4→AUG→STM-N
E.2Mbps→C11→VC11→TU11→TUG2→TUG3→VC4→AU4→AUG→STM-N