Huawei H12-931-ENU Actual Tests : Huawei Certified Internetwork Expert-Transmission

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Huawei H12-931-ENU Exam Syllabus Topics:

Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. Which of the following descriptions of coherent technology is correct ()?

A) The coherent technology increases the line rate to 100G while still maintaining the spectral bandwidth significantly less than 25GHz
B) WDM to single wave 100G or higher rate evolution can choose coherent OUT or traditional non-coherent OTU
C) Coherent receiving technology, OSNR tolerance theory can be improved by 2dB
D) Coherent technology eliminates CD/PMD through DSP

2. In microwave products, which of the following protection methods can enable reverse switching? (multiple choice)

A) N+1 protection
B) 1+1 SD
C) 1+1 FD
D) 1+1 HSB

3. Corresponding to the ISO seven-layer model, Ethernet corresponds to the physical and network layers of the seven-layer model. The Ethernet-defined specifications include the MAC sublayer and physical layer of the data link layer.

A) TRUE
B) FALSE

4. The following features can adjust the bandwidth on demand in the application of Ethernet networking, dynamically increase and decrease the members in the VCTRUNK without affecting the business. When a virtual concatenation group member fails, the bandwidth can be quickly adjusted to ensure normal data transmission; when the failed member is restored, the original bandwidth of the virtual concatenation group is automatically restored.

A) LCAS
B) LAG
C) DLAG
D) QoS

5. Regarding the optical power commissioning of the RAU2 board, which of the following options is correct () (multiple choice)

A) Before commissioning the RAU2 board, the team function must be disabled first, and then the Raman board laser must be turned off
B) Before turning on the Raman laser, make sure that the connectors are connected well
C) Because the RAU2 board has built-in EVOA, the Raman gain needs to be directly set to the maximum gain of the supported fiber type
D) When using MONO or MOWS to measure online optical power, 20dB compensation is required

Solutions: