A. 10
B. 32
C. 64
D. 84
E. 96
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你可能感興趣的試題
A. line timing
B. loop timing
C. internal timing
D. through timing
E. external timing
最新試題
If node 2 is accepting line timing from node 1， node 2 will send （） to node 1 as its SSM messge.
In order to avoid misconnections due to a failed node in an MS-SPRing， Alarm Indication Signals （AISs） are sent on every channel normally terminating in that node. What is the name of this process？（）
What three in combination are factors that can cause four-wave mixing in fiber-optic cables？（）
In the OSNR model for EDFA amplifiers， SNR OUT = 1/（1/SNR IN + FhvB/P IN ）， what does SNR IN represent？（）
A 2.5 Gb/s （OC-48 or STM-16） optical signal with a dispersion tolerance of 1200 ps/nm goes through fiber with 18ps/nm*km of dispersion. How many 15216-DCU-350 equivalents are needed for enough compensation after traveling 100 km？（）
A VC-4-4c consists of （）.
What is the difference between the transmitted power and the sensitivity of the receiver？ （）
What is an advantage of an externally modulated laser over a directly modulated laser？ （）
How is SNCP and MS-SPRing traffic rerouted during a protection switch when a complete fiber cable cut occurs？（）
Which device creates an OEO conversion？ （）