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Latest Huawei H31-341 Exam Questions and Answers, 2025 Update | SPOTO

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Question #1
In the path search process of the U2000 network management, the path search management module first scans the cross-connections of each network element, constructs sub-paths according to the cross-connections of adjacent network elements, and tries to merge these sub-paths at the same time. Which of the following sub-paths is legal?
A. Subpaths form a loop
B. The path does not pass through the fiber
C. The original destination is not the end point of the subpath or the optical port of the subnet
D. The sub-path terminates on the pre-configured network elementcorrect
View answer
Correct Answer: D
Question #2
The following basic principles for fault location in WDM systems are (). (Multiple Choice)
A. First single wave, followed by multiple waves
B. First two-way, then one-way first
C. First advanced, then low level
D. First locate external and then location transmission
View answer
Correct Answer: BCD
Question #3
Which of the following are the components of general package format of PWE3? (Multiple Choice)
A. Payload
B. Type
C. CW (Control Word)
D. MPLS label
View answer
Correct Answer: ACD
Question #4
The two-fiber bidirectional multiplex section shared protection ring requires the active and standby boards to be inserted into the dual slot.
A. Truecorrect
B. False
View answer
Correct Answer: A
Question #5
Reasons which is impossible for OTN equipment and network elements to be disconnected frequently?
A. When using optical monitoring, the DCC mode setting is wrongcorrect
B. Using electrical monitoring, the line quality is not good
C. NE ID conflict
D. Users of the same network element log in to the network element at the same time
View answer
Correct Answer: A
Question #6
NG WDM adopts L0+L1+L2 three-layer structure. Among them, the L2 layer realizes the switching based on Ethernet/MPLS-TP, the L1 layer realizes the switching based on ODUk/VC, and the L0 layer realizes the switching based on ingress
A. False
B. True
View answer
Correct Answer: B
Question #7
The switching mode of the 1+1 linear multiplex section can be single-ended switching or double-ended switching.
A. Truecorrect
B. False
View answer
Correct Answer: A
Question #8
Which of the following options are commonly used test instruments for transmission systems? (Multiple choice)
A. Spectrum Analyzer
B. OTDR (Optical Time Domain Reflectometer)
C. Optical power meter
D. SmartBits Tester
E. SDH tester
View answer
Correct Answer: ABCDE
Question #9
Which of the following is the performance related to SM segment error?
A. OTUk_BBEcorrect
B. OTUk_SM_FEBBE
C. OTUk_SM_FEES
D. OTUk_PM_BBE
View answer
Correct Answer: A
Question #10
Which of the following descriptions about the client-side 1+1 protection features is wrong?
A. OTU client optical layer dual transmission and selective reception
B. Protect the OTU single board and OCh optical fiber by occupying and protecting two wavelengths and using different routes for transmission
C. The working and protection wavelengths must be the samecorrect
D. Long application time and wide protection range
View answer
Correct Answer: C
Question #11
In a chain network, NE1, NE2, and NE3 are all OADM sites, and NE1 is a gateway network element, and uses OSC communication. When the optical monitoring board at the intermediate site NE2 fails, which of the following phenomena will not occur?
A. The optical monitoring signal between NE1 and NE3 is interrupted
B. The monitoring board in NE2 reports the BD_STAIUS alarm
C. The OSC_LOS alarm is reported on the monitoring boards in NE1 and NE3
D. Service interruption between NE1 and NE3correct
View answer
Correct Answer: D
Question #12
Which of the following ROADN nodes are configured correct? (Multiple choice)
A. WSD9+RMU9
B. WSM9+RDU9
C. WSMD9
D. WSIM9+WSD9
View answer
Correct Answer: ABCD
Question #13
While amplifying business signals, EDFA will also bring noise to the system, which is the main source of noise.
A. False
B. True
View answer
Correct Answer: B
Question #14
Which of the following commissioning ranges should the optical power of each single wave before combining (that is, the input optical power of the combining board) be within?
A. Average single-wave optical power- 2dB
B. Average single-wave optical power- 1dB
C. Average single-wave optical power- 1dB
D. Average single-wave optical power- 2dB < single-wave optical power
View answer
Correct Answer: D
Question #15
In the following OTN frame structure overhead, which item represents the path tracing identifier?
A. BDI
B. TTIcorrect
C. BIP8
D. GCCO
View answer
Correct Answer: B
Question #16
Which of the following reasons does not cause optical power anomalies?
A. Enable FEC function
B. Pigtail connection error
C. The pigtail is too large
D. Equipment temperature is too high
View answer
Correct Answer: A
Question #17
The OAU board at the 48-wave OTM site completes signal amplification.
A. True
B. Falsecorrect
View answer
Correct Answer: B
Question #18
Which of the following alarms will trigger the optical line protection switching? (Multiple choice)
A. R_LOS
B. POWER DIFF_OVER
C. MUT_LOS
D. R_LOF
View answer
Correct Answer: BC
Question #19
In the network management planning process, which item is not absolutely necessary?
A. Network scale planning, network management deployment planning
B. DON network planning, OSS docking planningcorrect
C. Network parameter planning and reliability planning of the network management server
D. Network management software and hardware configuration
View answer
Correct Answer: B
Question #20
For a point-to-point network, set the TIM mode on the network management system to path terminal sink "only compare DAPI".
A. True
B. Falsecorrect
View answer
Correct Answer: B
Question #21
Which of the following maintenance signals is not a proactive OAM?
A. RDI
B. AIS
C. LTcorrect
D. CC
View answer
Correct Answer: C
Question #22
The OSC monitoring wavelength is 1510nm, the rate is 2Mb/s, and the receiving sensitivity can reach -48dBm.
A. Truecorrect
B. False
View answer
Correct Answer: A
Question #23
The OTUCn signal consists of n interleaved frames of 4080 columns and 4 rows, and n can take values of 2, 4, etc., representing 200G and 400G respectively.
A. True
B. Falsecorrect
View answer
Correct Answer: B
Question #24
For WDM networks, which of the following descriptions are correct?
A. For 10G and 100G mixed transmission networks, you can judge whether the dispersion compensation is consistent with the design based on the performance of 100G
B. For the OAU board, you can roughly judge the type of DCM module connected to the site according to the upper threshold of the nominal gain on the network management system - the upper threshold of the actual gain
C. For the OAU board, you can roughly judge the type of DCM module connected to the site according to the difference between the output of PAOUTI and the input of BAINcorrect
D. For 10G and 100G mixed transmission networks, you can judge whether the dispersion compensation is consistent with the design according to the performance of 10G
View answer
Correct Answer: C
Question #25
The switching mode of 1:1 linear multiplex section can be single-ended switching or double-ended switching.
A. True
B. Falsecorrect
View answer
Correct Answer: B
Question #26
When congestion occurs, queuing strategies can be varied. If you need to get services for the first arriving packets, you can use the () queuing strategy; if you want to ensure that the most urgent and critical business is served first, you can use the () queuing strategy: if you need to balance the delay and delay jitter of each flow, you can choose () queuing strategy; if you want to provide professional bandwidth for specific services, you can choose () queuing strategy.
A. FIFO, PQ, WFQ, CQcorrect
B. F1FO, CQ, PQ, WFQ
C. WFQ, PQ, CQ, FIFO
D. PQ, FIFO, WFQ, CQ
View answer
Correct Answer: A
Question #27
There are many factors affecting the transmission distance in NG WDM system, which of the following will not affect the transmission distance?
A. Fiber nonlinear effect
B. OSC independent monitoring channel
C. Optical line loss
D. Optical line dispersion
View answer
Correct Answer: B
Question #28
Which of the following options is not an advantage of EDFA optical amplifiers?
A. High gain
B. High output power
C. The working optical bandwidth is wide
D. Gain Flatteningcorrect
View answer
Correct Answer: D
Question #29
In coherent systems and non-standard fiber entry scenarios, the reference point of fiber entry optical power is moved from the output port of the optical amplifier board at the sending end to the output port of the FIU.
A. Truecorrect
B. False
View answer
Correct Answer: A
Question #30
In NG-SDH equipment, which of the following conditions will not cause TPS switching to occur?
A. 3
B. Abnormal 58M crystal oscillator
C. Abnormal chip (SD538, SA527, CPLD)
D. Report T_LOSEX on the working branch boardcorrect
View answer
Correct Answer: D

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