Huawei HCIP-Transmission V2.5 - H31-341_V2.5-ENU Exam Practice Test
OTUCn and ODUCn implement the functions of the digital section and channel layer.
Correct Answer: B
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OOS overheads are optical-layer overheads. Which of the following statements about OOS overheads is false?
Correct Answer: D
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Which of the following features is used by a laser to coherently receive optical signals and restore the amplitude, phase, and state of polarization information from the received signals?
Correct Answer: A
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A common WDM service can be converted into an ODUk SNCP service. However, an ODUk SNCP service will be interrupted when it is converted into a common WDM service.
Correct Answer: B
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The OA module inside an EMR8 board provides the____function. With this function, when one or more channels are added or dropped or optical signals of some channels fluctuate, the signal gain of other channels is not affected, (Enter only lowercase letters.)
Correct Answer:
Gain locking
Explanation:
The Optical Amplifier (OA) module inside an EMR8 board includes a critical function called "gain locking." This function ensures that when channels are added, dropped, or experience fluctuations, the gain of the remaining channels stays stable. Without gain locking, changes in one channel's power could inadvertently affect the amplification of other channels, causing signal degradation and uneven performance. Gain locking maintains consistent output power levels and improves overall system stability, which is vital in dense WDM networks. This function helps avoid cascading issues during dynamic network changes and supports reliable service delivery in HCIP-Transmission systems.
Explanation:
The Optical Amplifier (OA) module inside an EMR8 board includes a critical function called "gain locking." This function ensures that when channels are added, dropped, or experience fluctuations, the gain of the remaining channels stays stable. Without gain locking, changes in one channel's power could inadvertently affect the amplification of other channels, causing signal degradation and uneven performance. Gain locking maintains consistent output power levels and improves overall system stability, which is vital in dense WDM networks. This function helps avoid cascading issues during dynamic network changes and supports reliable service delivery in HCIP-Transmission systems.
WDM systems generally use DCMs to compensate for chromatic dispersion. Which of the following statements about DCM-based dispersion compensation is false?
Correct Answer: C
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