Free Huawei H31-341_V2.5-ENU Practice Test & Real Exam Questions
Which of the following emulation modes are supported by CES services carried by PWE3? (Choose all that apply.)
Correct Answer: B,C
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When a member port is added to or deleted from a static LAG, LACP must be started.
Correct Answer: B
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The nominal rate of OTU4 signals is 111,809,973.568 kbit/s. Generally, the line rate is regarded as 112 Gbit/s.
Correct Answer: A
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A multiframe alignment signal is used for multiframe alignment. When some OTUk and ODUk overhead signals need to be transmitted across multiple frames, the MFAS must be used to implement multi-frame alignment.
Correct Answer: A
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Which of the following terms has the meaning that "the wavelength carrying local services can be transmitted to a specific direction"?
Correct Answer: C
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In an OTN (80 wavelengths in full configuration), the input optical power of an amplifier ranges from -16 dBm to 4dBm. If 10 wavelengths pass through the amplifier, what is the nominal multiplexed-wavelength input optical power of this amplifier (the noise impact is not considered)?
Correct Answer: C
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In an OA system, the lower threshold of the receive optical power of a line board (with a PIN receiver laser) or the WDM side of an OTU board is the optical module's receiver sensitivity plus 5 dB.
Correct Answer: B
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The OTUk_LOM alarm is generated when the out of multiframe (OOM) state lasts for 3 ms.
Correct Answer: B
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For hybrid transmission of 100G-and-beyond and 10G signals, it is recommended that the optical power of
100G and beyond signals be higher than that of 10G signals but not higher than the single-wavelength nominal value of an OA board.
100G and beyond signals be higher than that of 10G signals but not higher than the single-wavelength nominal value of an OA board.
Correct Answer: A
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