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Huawei H12-931-ENU Exam Syllabus Topics:

Huawei Certified Internetwork Expert-Transmission Sample Questions:

Question 1

Regarding the differences between Linux and Solaris operating systems, the following statement is wrong ()

A. Manage hot-swappable devices through cfgadm in Solaris. When the device is connected in Linux, the system automatically recognizes and configures hot-swappable devices
B. All disks need to be recognized by the operating system, but Solaris needs to be set in the sd.conf file, and linux does not
C. Solaris itself only supports UFS hard disk file system; in Linux, there are many disk file systems to choose from, the default is ext3
D. Linux comes with fssnap command to create and manage file system snapshots. Solaris does not have such a file system snapshot tool

Question 2

The networking of a certain wavelength division network is shown in the figure.

Now due to the needs of new business, there are 2 waves that need to be up and down at site B, that is, the OLA site needs to be transformed into a back-to-back OTM site. The error described below is

A. Need to recalculate the design signal-to-noise ratio of each segment AB, BE, AE, and evaluate whether the designed signal-to-noise ratio can meet the needs of business reception
B. The site type is transformed from OLA to back-to-back OTM. It is necessary to add boards such as M40/D40/OA/OUT. It is necessary to evaluate whether the existing network subrack slots are sufficient. Subrack
C. Since the original network dispersion is normal compensation, it is not necessary to adjust the dispersion after network transformation
D. Perform optical power budget for the new service hop, and redesign the power of the reconstructed site according to the requirements of the back-to-back OTM site. If possible, add an optical amplifier board.

Question 3

If there is a problem with the CORBA connection, it can be analyzed as follows: If it is not a problem on the U2000 side, you should find it from the upper-layer network management itself or the U2000 and the upper-layer network management together; the name and notification service cannot be started normally, you should check whether the corresponding port is occupied, or Try to use other ports; if U2000 fails to start, check whether the CORBA configuration files bundle.cfq and ems.cfq are correct

A. TRUE
B. FALSE

Question 4

Regarding the network element package loading package diffusion upgrade, which of the following statements is correct?

A. The package diffusion software upgrade task may not include the gateway network element
B. The number of network elements for the package diffusion upgrade task does not exceed 15.
C. Configure activation grouping, gateway NEs and non-gateway NEs cannot be grouped into the same group
D. The package diffusion software upgrade can only include at most one gateway network element, and the non-gateway network elements in the task must belong to the same gateway network element.

Question 5

Which of the following is not an antenna parameter?

A. Antenna gain
B. Front-to-back ratio
C. Standing Wave Ratio
D. 3db beam angle

Solutions: