- Exam Code: H12-931-ENU
- Exam Name: Huawei Certified Internetwork Expert-Transmission
- Updated: Jul 27, 2026
- Q & A: 320 Questions and Answers
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| Section | Objectives |
|---|---|
| Topic 1: Transmission Network Products | - Common Boards - Overview and Application Scenarios - Cabinets and Subracks |
| Topic 2: Introduction to iMaster NCE-T | - Functions and Features - Routine Operations & O&M Management - System Overview |
| Topic 3: Advanced Optical Technologies | - NG WDM Optical Layer ASON - NG WDM Electrical Layer ASON |
| Topic 4: ASON Principles and Applications | - Protocol Operations - Automatic Switched Optical Network Concepts |
| Topic 5: NHP Technology | - Principles and Application |
| Topic 6: MS-OTN Service Configuration | - Service Paths and Mapping - Client and Server Configuration |
| Topic 7: Transmission Network QoS | - HQoS Implementation - QoS Technologies |
| Topic 8: Deploying and Commissioning OTN Devices | - Commissioning Practices - OTN Configuration and Setup |
| Topic 9: Network Planning & Design | - NG WDM Network Planning - Fiber Doctor System Fundamentals - Optical Doctor System Fundamentals |
1. After a maintenance person failed to start the CORBA interface, he listed several inspection steps.
1. View the log file "%IMAPROOT%/server\var\logs\Develop\nbi\Agent_CORBA\unbi_sys_yyyyMMdd_hhmmss_*.log";
2. Check whether the U2000 License file supports the U2000 CORBA interface function;
3. Check if the %IMAPROOT%/server/ns.ior file is deleted. Is his operation correct?
A) TRUE
B) FALSE
2. Which of the following is not a simple flow classification
A) ACL
B) VLAN PRI
C) IP DSCP
D) MPLS EXP
3. NE1, NE2, NE3, NE4, and NE5 form an MSP ring, and there is an STM-1 link between NE1 and NE3. An SNCP VC-4 service is created between NE1 and NE3. The working source of this VC-4 service is on the MSP working path, and the protection source is on the STM-1 link. SNCP delay time is 100ms. When a fiber break occurs for the first time (between NE1 and NE2), the MSP switches normally. When the fiber is cut for the second time in the MSP ring (between NE3 and NE5), the SNCP service is interrupted and no SNCP protection switching occurs.
What are the solutions?
A) Change the rate of STM-1 to STM-4
B) Set HP_UNEQ alarm as SNCP switching trigger condition
C) Delete delay time
D) Remove NE4
4. Which of the following reasons will form discrete services on network management?
A) In 5.0 platform equipment, a certain network element in a complete path is not in the current network management
B) The service between two network elements in the same network management, under the premise that the correct time slot is selected, the cross-connection of one network element is delivered through the U2000, and the other is delivered through the command line software and the network management is not uploaded
C) A complete path is configured between the online NE and the pre-configured NE
D) Intermediate network element service cross-connection is not configured
5. Regarding the M40 and D40 channel isolation indicators of OSN 8800/6800 devices, which of the following statements is correct? () (multiple choice)
A) M40 non-adjacent channel isolation> 25dB
B) FIU's IN-TM and IN-TC isolation are both >40db
C) D40 adjacent channel isolation> 22dB
D) The isolation of SFIU's LINE1-OSC1 and LINE1-OSC2 are both ≥65db
E) D40 non-adjacent channel isolation> 25dB
F) M40 adjacent channel isolation> 22dB
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A | Question # 3 Answer: B | Question # 4 Answer: B,D | Question # 5 Answer: A,E,F |
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