Online Access Free H31-341 Practice Test

Which of the following description of 1+1 optical line protection is wrong?

• A.The primary and secondary input lights initial difference defaults to 0.
• B.The switching mode defaults to double-ended switching
• C.The active and standby input light difference defaults to 5dB.
• D.The switching method defaults to non-recovery

Which of the following service layer paths is required when creating OCh using the path method?

• A.ODUk
• B.OTS
• C.Client
• D.OMS

Which of the following factors determine the optical signal-to-noise ratio (OSNR) of the receiving end to a certain extent? After a certain distance of signal transmission in the WDM system, the optical signal-to-noise ratio (OSNR) of the receiving end decreases to a certain extent. Which of the following is the main reason?

• A.Fiber attenuation is too high.
• B.No new optical fiber is used.
• C.Use EDFA.
• D.Use multiplexers and demultiplexers.

Which of the following are the business board types of MSTP equipment? (Multiple choices)

• A.Auxiliary board
• B.Interface board
• C.Service processing board with interface
• D.Service processing board

In the WDM system, after a certain distance of transmission, the optical signal-to-noise ratio of the receiving signal will be reduced to a certain extent. What is the main reason?

• A.Use of EDFA
• B.Use of the splitter combiner
• C.No new fiber is used
• D.Fiber attenuation is too large