Huawei HCIP-Transmission V2.0 認定 H31-341-ENU 試験問題:
1. Which of the following description of the DM12 board are correct? (Multiple choice)
A) Accessing G.703 64 kbit/s co-directional service signals through the DB44 interface on the DM12 board
B) Electrical signal input and output interfaces for DDN, Unframed E1 and sub-rate services
C) One DX1 board can be used with two DM12
D) Access the NX6bit/s and sub-rate service signals through the DB28 connector on the DM12 board.
2. Since the EALC/ALC function is used in the SOM system, there is a possibility of business interruption during optical power adjustment.
A) TRUE
B) FALSE
3. The NG WDM two-dimensional ROADM site can use the WSMD9 single board, and its signal flow is an optical signal that is connected to the main optical channel from the "IN" optical port. The RDU (ROADM Demix Unit) optical module broadcasts 9 identical optical signals, which are output from the "DM1~DM8" and "ECPO" optical ports respectively. One of the signals is localized by the splitter board, and the other eight signals are dispatched to the other eight directions. Each wave of the main optical channel is connected from the "EXPI" optical port. The multiplexed or single-wave optical signal that needs to be inserted locally is input through the "AM1"~"AM8" optical port.
A) TRUE
B) FALSE
4. When the working channel protected by the optical line fails, it cannot be automatically switched to the protection channel. What are the possible reasons? (Multiple Choice)
A) Artificially issued a lock command
B) The protection channel is faulty
C) Waiting for the recovery time to be set too long
D) Protection group parameter configuration error
5. A, C are the WDM OTM stations, and B is the relay station.
When the transmission direction of the A to B stations is interrupted, the Wavelength side of the B-stack OTU relay board reports the R_LOS emergency alarm and runs the processing to the upstream A.
The station side OTU2_BDI secondary alarm. At the same time, the alarm continues to be transmitted to the downstream station of the B station. After the alarm is processed at the C site, the ODU2_PM_AIS minor alarm is reported on the WDM side of the C-site OTU, and the ODU2_PM_BDI secondary alarm is transmitted back to the upstream station A.
A) TRUE
B) FALSE
質問と回答：
| 質問 # 1 正解： A、C、D | 質問 # 2 正解： A | 質問 # 3 正解： A | 質問 # 4 正解： A、B、C、D | 質問 # 5 正解： A |
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