Exam Name: Huawei Certified Internetwork Expert-Transmission
Certification Provider: Huawei
Corresponding Certification: HCIE-Transmission
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Huawei H12-931-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: IPRAN and Converged Transport | - Synchronization and timing in transport networks - IPRAN architecture and deployment scenarios |
| Topic 2: Optical Transport Network Fundamentals | - SDH/SONET principles and architecture - WDM system fundamentals - OTN technology and frame structure |
| Topic 3: Transmission Network Technologies | - DWDM/ROADM technologies - Optical layer networking and protection mechanisms |
| Topic 4: Network Planning and Maintenance | - Transmission network design principles - Fault management and performance monitoring |
Huawei Certified Internetwork Expert-Transmission Sample Questions:
The OSN8800 device newly expanded a TN55ND2 board, and it was found that the board could not go online. The following reasons are impossible:
- A. SWDL_PKG_ NOBDSOFT alarm exists in the main control
- B. SWDL_BD_WEAKMATCH alarm exists in the main control
- C. SWDL_CHGMNG_NOMATCH alarm exists in the main control
- D. SWDL_AUTOMATCH_INH alarm exists in the main control
Correct Answer: B 🗳️
Four network elements A, B, C, and D form an SNCP ring, and there are a large number of PDH services between A and B.
One day, the fiber between A and B was interrupted.
In order to eliminate the R-LOS alarm on the network management system, an engineer self-looped the optical ports at both ends of the interrupted fiber. After 10 minutes by default, what will happen?
- A. The services of A and B will not be affected, and the switching alarm will not disappear
- B. The service between A and B is interrupted, and the switching alarm disappears
- C. The business between A and B is not affected, and the switching alarm disappears
- D. The service between A and B is interrupted, and the switching alarm does not disappear
Correct Answer: B 🗳️
The following description of OLP optical line protection is wrong:
- A. Protection principle: dual-transmit and selective-receive, single-ended switching, non-recovery by default;
- B. Switching conditions: MUT_LOS/POWER-DIFF-OVER;
- C. APS protocol; no need for the whole network protocol;
- D. When configuring protection, the transceiver of the first port (TO1/RI1) can be configured to work or protection;
Correct Answer: D 🗳️
Which of the following statements about the configuration, testing and maintenance of IPA functions are correct? ()
- A. The purpose of testing the IPA function is to verify that if any fiber is broken in the fiber path included in the IPA, the amplifier included in the IPA can be turned off. After the fiber is restored, the amplifier can be automatically turned on, and The power change is within 0.5dB.
- B. When the fiber interruption is repaired and the IPA cannot be terminated, it may be because the IPA protection group is not configured with the "detection board", only the auxiliary detection board is configured, and the auxiliary detection board reports an alarm that triggers IPA
- C. After the IPA function is successfully activated, when the amplifier board detects LOS, the optical power of its output port becomes safe optical power
- D. IPA function is only applicable to Raman amplifiers, not to ordinary amplifiers
- E. Select "Configuration/IPA Management" in the function tree of the NE Manager to configure the IPA start delay value
Correct Answer: A,B,C,E 🗳️
Some statements about Sybase database, the correct one is () (multiple choice)
- A. When the database appears in the suspect state, it cannot be used or deleted. You can set the status of the database, let it be at the checkpoint, automatically truncate the log, and then restart the database
- B. sybase database also supports the use of graphical interface configuration
- C. Cannot delete the database. When it prompts that the database is being used, you can use sp_who to find out the spid of the corresponding database, and use the kill command to kill the spid.
- D. When importing a large amount of data in batches, the import fails, and the error code is: Failed to access the database? This is because the database link is not enough, just modify the database link
Correct Answer: A,B,C,D 🗳️
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