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| Section | Weight | Objectives |
|---|---|---|
| MS-OTN Service Configuration | 6% | - OTN, SDH, EoO, EoS services - MPLS-TP and OSU services |
| Transmission Network Products | 4% | - Overview and application scenarios - Cabinets, subracks and common boards |
| ASON Principles & Applications | 6% | - Typical application scenarios - Architecture, protocols and functions |
| OTN Device Deployment & Commissioning | 6% | - OSC and optical power commissioning - NE commissioning and data backup - Initial configuration |
| Optical Doctor & Fiber Doctor | 6% | - Configuration and fault detection - System composition and principles |
| All-Optical & Turbo WDM | 5% | - OXC and all-optical switching - Turbo WDM architecture and applications |
| Clock Synchronization & DCI Solutions | 6% | - DCI architecture and deployment - Synchronization technologies |
| NG WDM Network Planning & Design | 6% | - DCN planning and optimization - Design process and elements |
| iMaster NCE-T | 6% | - Routine O&M management - System overview and functions |
| Fiber Sensing & Troubleshooting | 8% | - End-to-end troubleshooting - Alarm analysis and fault location - Distributed fiber sensing principles |
| NHP & OSU Technology | 4% | - OSU features and scenarios - NHP and OSU principles |
| High-Speed & ULH Technologies | 7% | - Coherent and extended band transmission - ULH solutions and deployment |
| Optical-layer ASON Configuration | 3% | - Diamond/Silver/Copper service creation - Control plane management |
| Electrical-layer ASON Configuration | 3% | - Service creation and maintenance - Control plane management |
| SDH-to-OTN Upgrade & Network Reconstruction | 10% | - Upgrade solutions and implementation - OTN node and capacity expansion - Protection reconstruction |
| Transmission Network QoS | 4% | - QoS principles and technologies - QoS and HQoS application |
SDH equipment mainly has two platforms, 4.0 and 5.0. In the main control board replacement, the replacement steps under different platforms are different. Which of the following operations are specific to the 5.0 platform?
Correct Answer: A,B 🗳️
Which of the following descriptions of coherent technology is correct ()?
Correct Answer: C 🗳️
During the network acceptance test, it was found that the OSN 3500 can work normally when connected to an external clock source. When the external clock source is disconnected, it enters the hold state, but the hold state cannot last for 24 hours. Please explain the possible reasons.
Correct Answer: D 🗳️
A path is a transmission entity, which is connected by a pair of "one-way paths" that can simultaneously transmit information in opposite directions between their respective outputs and inputs.
Correct Answer: A 🗳️
When the capacity of the cross-connect board is upgraded, the dual-cross configuration site is replaced, and there will be two cross-connect boards with different capacities at the same time. At this time, the cross-connect board switch will cause a long-term business interruption.
Correct Answer: B 🗳️
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