A. line timing
B. loop timing
C. internal timing
D. through timing
E. external timing
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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
A.10
B.32
C.64
D.84
E.96
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
A.225 ft
B.450 ft
C.655 ft
D.900 ft
最新試題
If node 2 is accepting line timing from node 1, node 2 will send （）to node 1 as its SSM message.
SONET Path Terminating Equipment (PTE) requires which three line codes to be supported for DS1 and DS3 circuits?（） (Choose three.)
How is UPSR and BLSR traffic rerouted during a protection switch when a complete fiber cable cut occurs?（）
What are two important considerations when using 2- or 4-channel 15216 OADMs?（） (Choose two.)
What are three factors that limit the maximum distance of an amplified optical signal without regeneration? （）(Choose three.)
Click the Exhibit button. Which type of multiplexer is shown in the exhibit?（）
What protection method is used in 4F BLSR networks?（）
Given the formula: (Fiber Attenuation * Km) + (Splice Attenuation * # of Splices) + (Connector Attenuation * # of Connectors) + (Optical Fiber or OADM) + Buffer(Fiber aging)) With regard to SONET/SDH optical calculations, what will the given formula provide?（）
Scrambling of SONET signals is done to （）.
Click the Exhibit button. When designing a DWDM system with multiple amplified spans, a pre-amp is needed at Site B to （）. (Choose three.)