2022年最新のに更新された検証済みのH12-931-ENU問題集と解答で合格保証もしくは全額返金 [Q157-Q177]

157、#1 and #2 are OTM network elements, point-to-point chain services, 1 channel, OAU light emission +4dbm at station A, -35dbm light at the SC2 board at station #2, -30dbm for the OBU board, and -30dbm for the OTU single board. There is no light on the board, what is the most likely cause of the failure?

158、The following are not precautions for preliminary testing:

159、Corresponding to the ISO seven-layer model, Ethernet corresponds to the physical and network layers of the seven-layer model. The Ethernet-defined specifications include the MAC sublayer and physical layer of the data link layer.

160、If the OSN6800 device wants to achieve 1588V2 time synchronization, it must be configured with an electrical crossover board

161、As shown in the figure, in the business configuration of the PP ring belt chain, discrete services are generated due to incomplete or incorrect configuration. In order to solve this discrete service, the service configuration needs to be supplemented. Which of the following steps are correct? (More select)

162、For WDM network, the following description is correct (multiple choice)

163、Use the integral method to measure the OSNR value of a 100G signal, read from the OSA, the integrated value of the signal power + noise power in the channel interval is 9.68uW, the integrated value of the noise power in the channel interval is 29.58nW, and the signal center frequency is within 0.1nm. The integrated power is 7.395nW, the OSNR value is ()?

164、Among the following methods, which is the effective way to avoid discrete business? (multiple choice)

165、Hqos can provide complete traffic statistics function. Network administrators can monitor the bandwidth occupied by various services, and reasonably divide the bandwidth of each service by analyzing the traffic.

166、What technologies can be used to achieve congestion avoidance (multiple choice)

167、Is the following statement about the ISU2 board of the RTN 900 wrong?

168、When the return loss is too low, it is strictly forbidden to turn on the RAMAN laser, but when the return loss is too high, it is possible to turn on the RAMAN laser.

169、For NG-SDH equipment equipped with dual main control, when the main control board is upgraded, which of the following statements is correct?

170、The TE link in the OTN electrical layer ASON is unidirectional. For example, there are two TE links between NS2 and NS2. The final number of links is the number of intelligent N-board ports (including relay N-board).

171、The ring network of the OSN6800 equipment group was newly opened, and ODU1-SNCP/N protection was enabled. The engineer reported that a switch occurred one day and has not been restored, but there is no problem with the optical cable. There is an ODU_SNCP_PS alarm on the corresponding ND2 optical port. The possible reasons are:

172、Which of the following statements about the ALC function and configuration principles of the OTN system is correct? () (multiple choice)

173、Which of the following descriptions about PTN setting TPS protection are correct? (multiple choice)

174、Regarding the interconnection of different circuit boards of OTN equipment, which of the following statements is correct (multiple choice)

175、Which of the following IP addresses is a class C IP address

176、What are the main modules of Huawei RTN 900 series equipment? (multiple choice)

177、NE1 is connected to NE2. NE1 uses OptiX SDH equipment to use time slot of VC4:1:2. If the service can be activated normally, what is the VC12 time slot number required to use equipment from other manufacturers on the opposite end?