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Huawei H12-931-ENU Exam Syllabus Topics:

Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. An operator needs to configure 60 clients, 200 OptiX PTN 1900, 100 OptiX OSN 3800 (With ASON), 150 NE40E, 200 CX600 series equipment, and the access side is equipped with FTTx OLT and MDU, a total of 80,000 xDSL lines , 70,000 lines of PSTN ports, 30 OLTs and 300 MDU devices are deployed.
Regarding the description of this network, the error is:

A) The number of equivalent network elements for 100 OptiX OSN 3800 (With ASON) is 350
B) In practice, 50% of the current network size needs to be reserved for expansion capacity
C) The number of physical network elements to be managed by the network management center is 980
D) The network is a medium-scale network

2. 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

3. A network is configured with 1+1 protection on the board. On a certain day, the working channel has a condition that triggers protection switching, but the service cannot be automatically switched to the protection channel, resulting in service interruption.
The cause of the failure may be: (multiple choice)

A) A lock switch or forced switch command is implemented
B) The configuration of the relay board between the source and sink is incorrect
C) There is an error in the protection channel
D) Protection group configuration error
E) The optical fiber connection of the board is wrong

4. Which of the following descriptions about the client-side 1+1 protection features is wrong?

A) Long application time and wide protection range;
B) OTU customer optical layer dual sending and selective receiving;
C) The working and protection wavelengths must be the same;
D) Protect the OTU board and OCh optical fiber by occupying the two wavelengths of the downstream and protecting the two wavelengths, and using different routes for transmission;

5. The PTN self-organizing network supports physical layer clock synchronization, IEEE 1588V2 clock and time synchronization, and IEEE 1588 ACR clock synchronization.

A) FALSE
B) TRUE

Solutions: