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Huawei H12-931-ENU Exam Syllabus Topics:

Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. Drift refers to the long-term phase change of the digital signal relative to the standard signal less than 10 Hz, and jitter refers to the short-term phase change of the digital signal relative to the standard signal greater than 10 Hz.

A) TRUE
B) FALSE

2. Which of the following functions can the PTN equipment handle the GE optical interface of the single board through the Ethernet? (multiple choice)

A) Docking with STM-N interface
B) Docking with PTN equipment
C) Docking with ODUk interface
D) Realize IEEE 1588 V2 synchronization
E) Realize physical layer synchronization
F) Interfacing with customer equipment

3. As shown below:

The service of station A is broadcast to station B and station C.
When the branch TOA (R8 version) of station A is connected to FE/GE, and GE adopts TTT-GMP or GFP-T encapsulation, in order to keep the switch port of station A in the Up state: the methods that can be used on OTN equipment are ( Multiple choice)

A) Configure a one-way cross from a circuit board to a tributary board at site A
B) Configure the drop-in code stream type of the TOA of site A as "empty code stream"
C) Configure a one-way cross from a tributary board to a line board at site B, and configure a one-way cross from a line board to the tributary board at site A

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

A) The ODUk SNCP protection configuration of the receiving site needs to be consistent with the ODUk SNCP protection configuration of the sending site;
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) 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;

5. In the 40-wavelength system of the wavelength division equipment, due to the aging of the customer's optical cable, the optical cable is replaced between 2# and 3#, and 4# optical amplifier site needs to be added between 2# and 3#. Which of the following statements is correct?

A) 2# The optical power of the site does not need to be re-commissioned
B) No need to consider whether the dispersion budget is sufficient
C) Need to consider whether the dispersion budget is sufficient
D) 3# The optical power of the site does not need to be re-commissioned

Solutions: