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Free Huawei H12-931 Practice Questions & Answers 2026 Part1 | HCIE-Transmission

Are you preparing for the Huawei H12-931 certification exam? SPOTO offers the Huawei H12-931 Premium File; all questions are aligned with the latest exam content and come with expert-provided answers. Our question banks cover the latest question types, core concepts, and detailed explanations, helping you familiarize yourself with the exam format and difficulty level. Whether you are reviewing core concepts or simulating a real exam environment, these resources will rapidly boost your confidence and readiness.
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Question #1
Reasons why it is impossible to frequently disconnect OTN equipment network elements
A. he electrical monitoring is used, and the line quality is not good
B. he same NE user logs in to the NE at the same time
C. etwork element ID conflict
D. se optical monitoring, DCC mode setting is wrong
View answer
Correct Answer: D
Question #2
Regarding U2000 dual-machine deployment, the following statement is wrong ()
A. onfigure the time/time zone, you need to close the database
B. he dual-system active/standby association will automatically stop the network management of the standby site, and then automatically start the network management of the primary site
C. hen using the maintenance tool to do the dual-machine active/standby association operation, the initiator is the primary site, and the data will be copied from the initiator to the designated remote server
D. uring the process of associating/separating the primary and secondary sites, it is found that the VCS prompts a connection error
View answer
Correct Answer: D
Question #3
Regarding the OTN system network-level protection switching test, which of the following statements is correct? ()
A. n the OTN bearer SDH multiplex section ring networking scenario, in order to avoid simultaneous switching of OLP protection and MSP protection, the delay time can be set in the MSP protection group
B. he power difference between the main and backup channels of the OLP protection group is more than 3dB by default, and the alarm is reported up, and the maximum can be set to 8dB
C. he ODUk-SNCP protection is superimposed on the OLP protection
D. LP main and standby optical power abnormal threshold exceeds 5dB by default to perform switching, and the threshold range can be set -5~5
View answer
Correct Answer: B
Question #4
Corresponding to the ISO seven-layer model, Ethernet corresponds to the physical and network layers of the seven-layer model. The Ethernet-defined specifications include the MAC sublayer and physical layer of the data link layer.
A. ALSE
B. RUE
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Correct Answer: A
Question #5
Which of the following IP addresses is a class C IP address
A. 2
B. 27
C. 0
D. 0011010
View answer
Correct Answer: A
Question #6
Hqos can provide complete traffic statistics function. Network administrators can monitor the bandwidth occupied by various services, and reasonably divide the bandwidth of each service by analyzing the traffic.
A. ALSE
B. RUE
View answer
Correct Answer: B
Question #7
The following are not precautions for preliminary testing:
A. efore the test, check whether the required test wires are complete, the type of connector and the applicability of the instrument and whether the connection is good
B. hen performing a 24-hour bit error test, ensure that the entire test process is free from external interference (including human factors and power supply conditions, etc
C. repare cotton swabs and alcohol, and pay attention to the cleaning of the connector at all times when testing the optical interface characteristics to ensure the accuracy of the test data
D. hen testing, be careful not to look directly at the optical transmitter interface, so as not to damage your eyes
View answer
Correct Answer: B
Question #8
When relocating the OLA site (10G system), which of the following descriptions are wrong
A. he relocation distance has changed, and the optical power of the line needs to be reassessed
B. he relocation distance has changed, and the system dispersion needs to be re-evaluated
C. he relocation distance has changed and the system signal-to-noise ratio needs to be reassessed
D. here is no need to adjust the optical power of upstream and downstream sites in the network management during the relocation process
View answer
Correct Answer: D

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