Huawei H31-311_V2.5 Actual Free Exam Questions & Community Discussion
If the OTUk layer overhead is damaged, the board may report OTUk_SM_AIS to indicate the abnormal condition.
Correct Answer: B
Vote an answer
When multiple users need to share the same VCTRUNK and use the same VLAN ID, QinQ technology can be used.
Correct Answer: A
Vote an answer
FOADM includes parallel FOADM and serial FOADM, both of which support any wavelength up to
40 wavelengths or 80 wavelengths.
40 wavelengths or 80 wavelengths.
Correct Answer: B
Vote an answer
Which of the following converts non-standard wavelengths into standard wavelengths specified by ITU-T in the WDM system structure?
Correct Answer: D
Vote an answer
The frame period of OTN signal is the same as that of SDH signal and is constant.
Correct Answer: B
Vote an answer
The optical monitoring channel is used for monitoring WDM optical transmission systems. In the UU-T proposal, it is preferred to use a () rate 1510nm wavelength.
Correct Answer: B
Vote an answer
The essence of OPSK modulation is to reduce the baud rate of the optical signal by half without reducing the line rate by washing four possible values on the phase of the optical field; this multiplexing method can reduce the spectral bandwidth of the optical signal by half, making multi-wavelength ULH transmission with 50GHZ interval and 40G line rate possible.
Correct Answer: A
Vote an answer
Forced switching, fiber switching, manual switching and motion switching are in descending order of priority.
Correct Answer: A
Vote an answer
1: N linear multiplex segment switching requires the APS switching protocol; equipment from different manufacturers may not be able to connect due to different protocol processing.
Correct Answer: A
Vote an answer
Which of the following bytes in the regenerator section overhead are associated with ROOF and R- LOF? (Multiple choice)
Correct Answer: A,C
Vote an answer
The information net load area contains not only business information, but also some channel overhead for monitoring low-speed signals.
Correct Answer: A
Vote an answer
When the working PQ1 board fails, the equipment will perform TFS protection switching. Which of the following statements about the switching process are correct? (Multiple choice)
Correct Answer: A,B,C,D
Vote an answer
TU-AIS is often encountered during network maintenance. Which of the following alarms can trigger a TU-AIS alarm? (Multiple choice)
Correct Answer: A,B,C,D
Vote an answer
TNG 1N401 board supports mixed transmission of multiple ODUk particles.
Correct Answer: A
Vote an answer
0
0
0
10