A. 0.4 nanometers
B. 0.6 nanometers
C. 0.8 nanometers
D. 1.2 nanometers
E. 1.6 nanometers
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Click the Exhibit button. Within an ONS 15454， you are provisioning a circuit on an unprotected SNCP ring. In the exhibit，
which two must you configure？（）
A. revertive
B. circuit size
C. circuit type
D. bidirectional
E. protected drops
F. Switch on PDI-P
A. line timing
B. loop timing
C. internal timing
D. through timing
E. external timing
A. 512
B. 255
C. 1024
D. 4096
You are installing a Cisco ONS 15454 SDH in a service provider site. An E3 cable is being 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
A. An equal amount of working and protect bandwidth is required.
B. DCC bandwidth is not large enough to handle K1/K2 processing.
C. Switch times would exceed 50 ms for an STM-1 MS-SPRing ring.
D. There is not enough bandwidth in an STM-1 ring to justify MS-SPRing protection.
最新試題
What are two important considerations when using 2- or 4-channel 15216 OADMs？（）
How is SNCP and MS-SPRing traffic rerouted during a protection switch when a complete fiber cable cut occurs？（）
Which is a legitimate bandwidth matched pair？（）
A VC-4-4c consists of （）.
Why are the 1300 nm and 1550 nm regions of the fiber spectrum primarily used for optical communications？（）
Click the Exhibit button. Which type of multiplexer is shown in the exhibit？（）
Which device creates an OEO conversion？ （）
What are three factors that limit the maximum distance of an amplified optical signal without regeneration？ （）
In SDH， what is the name of the embedded Data Communication Channel （DCC） in bytes D1-D3？（）
What is an advantage of an externally modulated laser over a directly modulated laser？ （）