Huawei H31-341_V2.5 問題集

質問 1：
When creating a new network element, which of the following are the optional data configuration methods? (Multiple choice)
A. Upload
B. to download
C. Initialize network element data and perform manual configuration
D. Copy network element data
正解：A,C,D

質問 2：
Which of the following are the basic principles of WDM system fault location? (Multiple choice)
A. Locate external first, then transmit
B. High level first, then low level
C. Two-way first, then one-way
D. First single wave, then multiple waves
正解：A,B,C

質問 3：
Which of the following descriptions about the requirements for fiber optic deployment is wrong?
A. There should be no forced pulling and unnatural bending of the optical fiber layout, and no other cables and objects are pressed on it after deployment
B. The connecting parts such as bare boards and flanges must be connected reliably
C. Connection points should be clean
D. Labels at both ends of the fiber are filled in correctly and clearly, in neat positions, and in the same direction
E. The optical fiber is not free to twitch in the buckle
正解：E

質問 4：
Regarding the bit error test of the entire network during commissioning, which of the following statements is correct? (Multiple choice)
A. In order to ensure the smooth passage of services on all channels in the entire network, a 10-minute bit error prediction is required for each single channel
B. It is recommended that the number of OTU single boards or tributary boards connected in series should not exceed 13 during full-channel bit error testing
C. The duration of the full-channel bit error test is 20 hours. B If a bit error occurs within 20 hours, it needs to be retested for 20 hours after troubleshooting
D. During the single-channel bit error test, the remote end needs to perform a hardware loopback on the client side of the tributary board
正解：A,B,D

質問 5：
NG WDN ASON network can provide services of different service levels according to different levels of customer needs. The electrical layer ASON at the WDM service layer supports three different SLA levels: diamond, silver, and copper
A. False
B. True
正解：B

質問 6：
Line boards selectively receive service in case of SNCP. So SNCP can protect the service on the line.
A. False
B. True
正解：A

質問 7：
Which of the following is the overhead for bit error detection in the OTN frame structure?
A. TTI
B. BIP-8
C. GCCO
D. S1
正解：B

質問 8：
In the ring network with electric relay stations, if the signal type is OTUk, the subtype can be configured as SNC/I when ODUk SNCP protection is configured.
A. False
B. True
正解：A

質問 9：
The special fiber input power (high power) is higher than the main fiber input power. The main purpose is to improve what factor?
A. Nonlinear
B. power
C. Dispersion
D. OSNR
正解：D