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Huawei H12-931-ENU Exam Syllabus Topics:

Huawei Certified Internetwork Expert-Transmission Sample Questions:

Question 1

Which of the following descriptions of ODUk SNCP protection types are wrong?

A. For the boards that need to be configured with ODUk SNCP protection and electrical crossover, the configuration is different according to the selected board and client side services;
B. When the protection subtype is "SNC/I", there is no need to set OTN overhead, but when configuring this type of protection, both ends of the business must be within the scope of SM overhead monitoring;
C. The protection subtype is "SNC/S": To monitor the PM layer, OTN overhead needs to be set;
D. The ODUk SNCP protection configuration of the receiving site needs to be consistent with the ODUk SNCP protection configuration of the sending site;

Question 2

Regarding the description of OSS, what is wrong is

A. U2000 supports multiple northbound interfaces such as SNMP, TL1, XML, CORBA, etc., which can realize rapid integration with the operator's OSS system.
B. The network layer of OSS is above NMS, and NMS is generally used to realize the management function of network element equipment.
C. OSS system (Operation Support System) refers to a software system that provides operators with functions such as communication equipment performance management, inventory management, business management, and fault management.
D. OSS system is mainly used to improve the work efficiency of equipment maintenance personnel.

Question 3

Regarding the interconnection of different circuit boards of OTN equipment, which of the following statements is correct (multiple choice)

A. TN12ND2 and TN52ND2 can be connected in AFEC mode
B. TN12ND2 and TN12NS2 can be connected in AFEC mode
C. TN12ND2 and TN52/53/54/57NQ2 can be connected in AFEC mode
D. TN12ND2 and TN11ND2 can be connected in AFEC mode

Question 4

What are the limiting factors of CES ACR synchronization? (multiple choice)

A. Delay change of PSN network
B. Route switching of PSN network
C. PSN network topology changes, network traffic load changes
D. Packet loss in PSN network

Question 5

The SNCP ring network composed of OptiX OSN 3500 equipment uses GXCSA as the cross-connect board, and the main ring is equipped with an SL64 single board. A and B are two adjacent nodes.
The station B receives a large number of errors in the regeneration section and multiplex section on the SL64 board of station A.
At the same time, station A receives the remote error code of the multiplex section reported on the SL64 board of station E.
In the networking diagram, it is found that the distance between A and B is 100km, the rate is 10G, and the configuration structure is "light board + BA + PA + DCU + light board".
Which of the following causes the error code to occur? (multiple choice)

A. Cross-board and circuit board coordination problems cause bit errors
B. Insufficient BA+PA gain leads to bit errors
C. Error code caused by light board failure
D. DCU module model error

Solutions: