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Huawei H12-931-ENU Exam Syllabus Topics:

Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. OAU gain is continuously adjustable, and the noise figure (NF) is different under different gain conditions, generally the larger the gain, the smaller the noise figure

A) TRUE
B) FALSE

2. During the network acceptance test, it was found that the OSN 3500 can work normally when connected to an external clock source. When the external clock source is disconnected, it enters the hold state, but the hold state cannot last for 24 hours. Please explain the possible reasons.

A) Wrong clock level setting
B) Access to external high-precision clock source time is too short
C) The clock SSM function is not enabled
D) The clock crystal oscillator fails, and the board needs to be replaced

3. When configuring the dual-stage amplifier board of RAU+OAU, which position of the DCM module is recommended in the following figure is the best

A) 2
B) 3
C) 1
D) 4

4. In the U2000 dual-machine installation and commissioning, the operations that can be performed by the ossuser user are ()

A) When the password is forgotten or the password expires and the dbuser cannot be logged in, the ossuser user can log in to the operating system and use "#passwd dbuser" in the terminal to change the password
B) When the U2000 License file is modified to DOS format, you can log in as the ossuser user and execute the dos2unix command to convert the U2000 License file format from DOS format to UNIX format
C) Modify the password of the admin user to log in to the VCS client
D) On the Solaris or SUSE Unux platform, if you cannot log in to the graphical desktop, you can log in as the ossuser user and use the command line to restore the binary mode database

5. Hybrid MSTP devices support cross-domain clock intercommunication, and support the intercommunication of synchronous Ethernet and SDH synchronization.

A) TRUE
B) FALSE

Solutions: