Free Access Huawei.H31-341_V2.5.v2026-07-28.q106 Practice Test (Page 6)

Question 21

Which of the following description about 1+1 optical line protection is wrong?

A.The default value of the initial difference between the main and standby input light is 0

B.The switching mode defaults to double-ended switching

C.The default of the main and standby input optical difference gate is 5dB

D.The switching mode defaults to non-restorative

Question 22

Which of the following descriptions about branch SNCP protection is wrong?

A.The cross granularity is GE or Any signal

B.The trigger conditions are that the board is not in place, SF, SD

C.Tributary SNCP protection uses the dual-send and selective-receiving function of the electrical layer crossover to protect the client-side services connected to the tributary board

D.When configuring branch SNCP, you need to set the subtype of SNCP

Question 23

The network element defaults to automatic expansion of ECC communication. When the number of Huawei equipment NEs using extended ECC communication is greater than how much specified value? it is recommended to use manual extended ECC communication

A.4

B.1

C.2

D.3

Question 24

The signal flow analysis method first divides the whole network into several OMSs, judges the section of the fault, and then judges whether the direction of the fault is one-way or two-way, and finally locates the fault along the direction of the signal flow from front to back according to the fault information.

A.False

B.True

Question 25

Which of the following are the commissioning principles for the fiber-in optical power? (Multiple choice)

A.The index value of fiber-entry power adopts the non-standard fiber-entry power of each fiber by default.

B.The index value of incoming fiber power adopts the main incoming fiber power of each fiber by default.

C.The principle of fiber input power index and downstream optical amplifier adjustment is to ensure that the fiber input power index meets the requirements.

D.It is recommended that the index value of the incoming fiber optical power be adjusted strictly according to the network design documents.

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Question 21

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