多项选择题

A. line timingB. loop timingC. internal timingD. throug……

Which three timing modes are supported on the ONS 15454 shelf? （）(Choose three.)

A. line timing
B. loop timing
C. internal timing
D. through timing
E. external timing

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热门试题

单项选择题Click the Exhibit button. A customer has several interconnected core rings (see exhibit). They want to create several irtual rings?utilizing their OC-192 backbone (nodes 1,2,3,4). What should you recommend?（）

A. PPMN with BLSR rings
B. PPMN with UPSR rings
C. 1:N protection on all core circuits
D. multi-ring interconnect with BLSR rings

单项选择题With R4.0, how many total DCC tunnel connections can each ONS 15454 support using the TCC+ card?（）

A.10
B.32
C.64
D.84
E.96

多项选择题Click the Exhibit button. Within an ONS 15454, you are provisioning a circuit on an unprotected UPSR ring. In the exhibit, which two must you configure?（） (Choose two.)

A. revertive
B. circuit type
C. circuit size
D. bidirectional
E. protected drops
F. switch on PDI-P

单项选择题You are installing a Cisco ONS 15454 in a service provider site. A DS3 cable is to be connected to a digital cross-connect system. What is the maximum distance allowed between the two?（）

A.225 ft
B.450 ft
C.655 ft
D.900 ft