Free Access Huawei.H31-341-ENU.v2022-03-27.q123 Practice Test (Page 13)

Question 56

For the nonlinear effect FWM, which of the following way is correct?

A.Control the incoming fiber power

B.Using large effective area fiber

C.Do not use G.653 fiber in DWDM systems

D.Control the optical power of a single wavelength

Question 57

The E-Line service types supported by the MS-OTN packet device are: (Multiple Choice)

A.E-Line service based on QinQ

B.E-Line carried by PW

C.E-Line service based on VL.AN

D.Point-to-point transparent transmission of E-Line services

Question 58

The main light path monitoring is based on the OMS segment and it mainly monitors which of the following items? (Multiple choice)

A.The origin of the optical discharge power is abnormal

B.Line attenuation exceeds the design EOL value.

C.The main light path is broken?

D.Line attenuation compensation is abnormal

Question 59

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

A.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.

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

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

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

Question 60

On the ROADM board, you need to configure the virtual optical layer service before the optical power is commissioned. Otherwise, the ROADM limit board blocks all wavelengths by default.

A.TRUE

B.FALSE

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Question 56

Question 57

Question 58

Question 59

Question 60

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