Free Access Huawei.H31-341-ENU.v2022-05-23.q144 Practice Test (Page 16)

Question 71

In general, which of the following operations will cause a short interruption in monitoring of existing network devices? (Multiple Choice)

A.Soft reset main control board

B.Hardware loopback

C.Hard reset main control board

D.Software loopback

Question 72

Which of the following are limitations of the alarm and performance analysis methods? (Multiple Choice)

A.The network administrator cannot obtain the current notifications of the device, the alarm occurrence time, and the historical alarm of the device.

B.In the case of complex networking, service, and fault information, many alarms and performance events may occur along with the occurrence of faults. Due to too many reports and performance events, maintenance personnel are unable to analyze.

C.Field maintenance personnel cannot understand the current operating condition of the equipment.

D.When some faults occur, there may be no obvious alarms or performance events reported, and sometimes no alarms or performance events are found.

Question 73

Which of the following factors determine the optical signal-to-noise ratio (OSNR) of the receiving end to a certain extent? After a certain distance of signal transmission in the WDM system, the optical signal-to-noise ratio (OSNR) of the receiving end decreases to a certain extent. Which of the following is the main reason?

A.Use multiplexers and demultiplexers.

B.Use EDFA.

C.Fiber attenuation is too high.

D.No new optical fiber is used.

Question 74

The following description of the 1+1 protection in the board, the correct ones are: (Multiple Choice)

A.The 1+1 protection on the board can protect the OTU board.

B.Set the OTU as the detection unit, and the electrical layer alarms such as OTUk_LOF and OTUK_LOM will also trigger the switching.

C.In-board 1+1 protection can be applied to chain networking and ring networking.

D.For OSN 1800 devices, you can use the OTU with dual-selection to protect your business.

Question 75

When configuring the Ethernet Layer 2 attribute, set the Default VLAN ID and VLAN Priority of the untagged frame when the TAG ID is set to Accese or Hybrid. The "VLAN priority" is set according to the QoS of the unified plan.

A.FALSE

B.TRUE

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