Free Huawei H31-341_V2.5 Exam Dumps Questions & Answers

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ODUk SNCP has three subtypes: _____, ______, and _____. (Enter the acronyms in uppercase letters.)

In an OA system, the lower threshold of the receive optical power of a line board (with an APD receiver laser) or the WDM side of an OTU board is the optical module's receiver sensitivity plus 5 dB.

• A.  FALSE
• B.  TRUE

Services cannot be automatically switched to the protection channel when the working channel of optical line protection is faulty. Which of the following are possible causes? (Choose all that apply.)

• A.  The protection channel us faulty.
• B.  The locking command is issued manually.
• C.  The WTR time is too long.
• D.  The protection group parameters are configured incorrectly.

The OTUk frame rate can be concluded based on OTU1, OTU2, and OTU3 frame rates. Which of the following is the correct formula for calculating the OTUk frame rate?

• A.  OTUk frame rate = 255/(235 - k) x STM-N frame rate
• B.  OTUk frame rate = 255/(236 - k) x STM-N frame rate
• C.  OTUk frame rate = 255/(239 - k) x STM-N frame rate
• D.  OTUk frame rate = 255/(237 - k) x STM-N frame rate

Which of the following statements about OTN frame structure overheads is false?

• A.  The value of FAS changes dynamically with different signals.
• B.  The FAS is not scrambled.
• C.  OTUk_LOF is generated when FAS framing fails.
• D.  The FAS is located at the start position of the OTN frame structure.