Free Access Huawei.H31-341.v2022-05-18.q167 Practice Test (Page 34)

Question 161

The collection and storage of on-site data includes periodic collection during normal operation of the equipment and collection of equipment failures. Generally, before the fault is processed, the maintenance personnel must collect and save the field data.

A.TRUE

B.FALSE

Question 162

The maximum optical power of light-emitting OBU output is 20dBm, which is used in the C-band 80 system. How much dBm should the single-wave standard output optical power be?

A.-2dBm

B.+1dBm

C.+4dBm

D.+7dBm

Question 163

What should I pay attention to when commissioning a 100G and 10G hybrid transmission system? (Multiple Choice)

A.The optical power of the 100G signal is recommended to be higher than the optical power of the 10G signal, but not higher than the single-wave nominal value of the optical panel.

B.For a hybrid transmission system with dispersion compensation, the dispersion compensation requirements are consistent with the requirements in a 10G non-coherent system.

C.Pay attention to the mixed spectrum. The spectrum of the 100G signal is wider and looks lower than the 100G signal in the spectrum, but the actual optical power is equivalent.

D.In order to accurately measure the optical power of 100G wavelength, it must be debugged using a spectrum analyzer or a MAC card.

Question 164

The OSN 8800 device is protected by fan redundancy. When any fan in the fan box is broken, the system can still operate normally for a long time.

A.FALSE

B.TRUE

Question 165

Loopback is a common operation for routine maintenance and troubleshooting. Which of the following statements about loopback operations are incorrect?

A.After the inloop is performed, the signals are transmitted to the external.

B.After the outloop is performed, the signals are transmitted to the internal.

C.When performing a hardware loopback on an optical port, you need to add an optical attenuator.

D.The hardware loopback is performed by using the fiber jumper or self-loop cable to perform the loopback on the optical port or electrical port.

Other Version: 3135Huawei.H31-341.v2022-08-22.q153; 61Huawei.Examcollectionpass.H31-341.v2021-11-14.by.ivy.87q.pdf

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