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Huawei H31-311_V2.5 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Optical Fiber Communication | - Optical fiber structure and characteristics
|
| Topic 2: SDH Technology | - Synchronous Digital Hierarchy (SDH)
|
| Topic 3: Transmission Fundamentals | - Basic ICT and transmission network principles
|
| Topic 4: Transmission Network Operation & Maintenance | - Network deployment and maintenance
|
| Topic 5: WDM and OTN Technologies | - Wavelength Division Multiplexing (WDM)
|
Huawei HCIA-Transmission V2.5 Sample Questions:
Which of the following statements about overhead bytes is wrong?
- A. A1 and A2 are framing bytes. These bytes are used to separate STM-1 frames in the signal stream.
- B. E1 and E2 are wire bytes. These bytes are used to provide a voice channel for order line connections.
- C. B1 is Bit Interleaved Parity-8 (BIP-8). This byte is used to monitor bit errors in the regenerator layer.
- D. JO is the regenerator section tracking byte. This byte is used to repeatedly transmit the segment access point identifier so that the receiving end can verify its continuous connection with the specified transmitting end.
Correct Answer: A 🗳️
K1 and K2 bytes can transmit APS switching signaling and can also indicate the failure of the signal in the multiplexing segment.
- A. False
- B. True
Correct Answer: B 🗳️
Which of the following is the step for China to multiplex 2M into AUG?
- A. C-12>VC-12->TU-12->TUG-2->VC-3->AU-4->AUG
- B. C-12->VC-12->TU-12->VC2->TUG-2->FUG-3->AU-4->AUG
- C. C-12->VC-12->TU-12->TUG-2->TUG-3->VC-4->AU-4->A0G
- D. C-12->VC-12->TU-12->TUG-2->VC-3->TUG-3->AU-4->AUG
Correct Answer: B 🗳️
The EDFA inside the THBIDAP board has the () function. When one or several channels are added or reduced or the optical signals of some channels fluctuate, the signal gain of other channels will not be affected.
Reveal Solution Discussion 0Correct Answer:
Gain Lock
SDH can transmit signals of any rate in the SDH system after packaging.
- A. False
- B. True
Correct Answer: B 🗳️
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