Huawei HCIE-Transmission H12-931-ENU Free Demo Questions V9.02 Killtest

2. The safer , easier way to help you pass any IT exams. 1.Regarding OSN 8800/6800 device M40, D40 channel isolation index, which of the following statements is correct? (Multiple Choice) A. M40 adjacent channel isolation > 22dB B. M40 non-adjacent channel isolation > 25dB C. D40 adjacent channel isolation > 22dB D. D40 non-adjacent channel isolation > 25dB E. Both the isolation of LINE1-OSC1 and LINE1-OSC2 of SFIU are ≥65db F. Both the isolation of IN-TM and IN-TC of FIU are > 40db Answer: ABD 2.When Huawei OTN is docking with ZTE OTN equipment, Huawei OTN equipment ODU0 and ODU1 timeslots are in sequential mode. Which of the following statements is correct? (Multiple Choice) A. The order of ODU1 is the same B. The order of ODU1 is different C. The order of ODU0 is the same D. The order of ODU0 is different Answer: BD 3. Regarding the test item of IEEE 1588V2 time protection function, which of the following statements is wrong? A. On the OptiX OSN 8800, the active and standby states of the clock board and the cross board are related to each other. When performing a switch test, it is recommended to switch only the cross board or clock board. B. On the OptiX OSN 6800, the active and standby states of the clock board and the cross board are related to each other. When performing a switch test, it is recommended to switch only the cross board or clock board. C. Testing the long-term stability of time performance in PTP synchronization mode, the time performance of the output should be within ± 1us. D. Long-term jitter test in physical layer synchronization mode, using a time analyzer with a GPS receiver to observe at the last node for more than 8 hours, the test output time performance should be within ± 1us. Answer: B 4.Which of the following features does the N3EFS4 board support? (Multiple Choice) A. LCAS B. QINQ C. LPT D. QoS Answer: ACD 5.In the Linux system, configure an IP address 129.9.1.100 for the network card Eth0, using the command () A. ifconfig eth0 129.9.1.100 Huawei H12-931-ENU Free Demo Questions V9.02 | Killtest 2020 2 / 6

3. The safer , easier way to help you pass any IT exams. B. ipconfig 129.9.1.100 C. ipconfig eth0 129.9.1.100 D. ifconfig 129.9.1.100 Answer: A 6.The function of PW OAM is basically the same as that of Tunnel. The PW OAM mechanism can effectively detect, confirm and locate defects and faults originating from the PW layer network. Which of the following features are not available in PW OAM? A. LB B. Ping C. BDI D. FDI Answer: B 7.Which of the following about the workflow of the connection between U2000 CORBA and OSS is wrong? A. Start the name service Start notification service Start U2000 CORBA B. CORBA Registers with Notification Service CORBA creates a channel into the name service C. OSS connects to the name service through the CORBA client CORBA client of OSS finds an event channel through the Name Service D. OSS accesses CORBA agent through CORBA client CORBA agent reports message to OSS through event channel Answer: B 8. Which of the following protections in a microwave device does not require a dual slot? A. SD B. FD C. HSB D. SD+FD Answer: C 9. Which of the following information do you need to pay attention to when the TOA board starts the GE service? (Multiple Choice) A. MTU value B. Ethernet working mode C. Docking module type D. Ethernet VLAN information Answer: ABC 10. The following is the network parameter planning of an engineer's network management server. Among them, the correct planning is: (Multiple Choice) Huawei H12-931-ENU Free Demo Questions V9.02 | Killtest 2020 3 / 6

4. The safer , easier way to help you pass any IT exams. A. Host name of the network management server: Server123- B. Single-Server System (Windows) IP address planning: IP address: 129.9.1.1/255.255.255.0; Gateway: 123.9.1.254 C. The network servers with 2000 equivalent network elements, the planned bandwidth for managing network elements is 3.02 Mbit/s. D. A network with 2000 equivalent network elements, a 15- minute collection period, and 7- day performance data retention, with a planned performance database size of 80 GB Answer: BCD 11. The business sharing VCTRUNK, which isolation methods can we use to achieve business isolation? (Multiple Choice) A. MAC address B. VLAN ID C. MPLS label switching D. QINQ VLAN Nesting Answer: BCD 12. When configuring 1+1 protection on the client side, if the working OTU and the protection OTU are on different network elements, the control channel board type can be OLP or SCS board. A. TRUE B. FALSE Answer: B 13. If there is a problem with the CORBA connection, you can analyze it as follows: If it is not a U2000 side problem, you should find it from the upper-layer network management itself or the U2000 and the upper-layer network management to find; the name and notification services cannot start normally, and you should check whether the corresponding port is occupied Or try to use another port; if the U2000 fails to start, check whether the CORBA configuration files bundle.cfq and ems.cfq are correct A. TRUE B. FALSE Answer: A 14.The following is about the system OSNR commissioning error: A. Adjust single-wave flatness first, and then adjust the main line optical power B. One of the measurement principle of the MPI-R point system OSNR flatness: After the pump power is determined, test the OSNR flatness of the MPI-R point by a spectrometer detector, if the OSNR flatness is not to up standard (OSNR flatness index ≤2dB), then Need to adjust M40V. C. The multiplexer is an M40V single board, "looking at the receiving end and debugging the transmitting end". When the optical power flatness meets the requirements of the index, the optical power flatness can be sacrificed to ensure the OSNR (or BER) flatness D. APE automatically adjusts the optical power of each channel to ensure that the optical power at the receiving end is flat, thereby ensuring the flat of OSNR Huawei H12-931-ENU Free Demo Questions V9.02 | Killtest 2020 4 / 6

5. The safer , easier way to help you pass any IT exams. Answer: A 15.Four network elements A, B, C, and D form a two-fiber bidirectional multiplexed segment shared protection ring, among which there are many PDH services between A and B. On a certain day, the fiber between A and B was interrupted. In order to eliminate the R-LOS alarm on the network management, an engineer looped the optical ports on both ends of the interrupted fiber. After 10 minutes by default, what would happen? A. The service between A and B is interrupted and the switching alarm disappears B. The service between A and B is not affected, and the switching alarm does not disappear C. The service between A and B is interrupted, and the switching alarm does not disappear D. The service between A and B is not affected, and the switching alarm disappears Answer: B 16.If the meter sends a data frame rate of X and a received data frame rate of Y, then the packet loss rate = (X-Y)/X*100%, usually the packet loss rate+throughput=1 A. TRUE B. FALSE Answer: A 17.SYNLOCK V3 device can achieve the different clock accuracy class by different boards configuration, which of the following can be achieved by SYNLOCK V3? (Multiple Choice) A. SEC B. LPR C. TNC D. LNC Answer: BCD 18.All operations on site can be operated in accordance with their own experience, and do not need to strictly follow the changing operation steps. A. TRUE B. FALSE Answer: B 19.When 172.17.15.0/28 is for the subnet partition, which of the following addresses are legal subnet addresses? (Multiple Choice) A. 172.17.15.0 B. 172.17.15.8 C. 172.17.15.40 D. 172.17.15.96 Answer: AD 20.For 1+1 protection in the OTU board of the external OLP, it supports both non-expanded mode and extended mode. The extended mode adds the switching conditions of the electrical layer. A. TRUE Huawei H12-931-ENU Free Demo Questions V9.02 | Killtest 2020 5 / 6

6. The safer , easier way to help you pass any IT exams. B. FALSE Answer: A 21.Regarding the create upgrade task process, which of the following statement is wrong? A. The upgrade operator must use the "admin" level user for health check, otherwise some check items will fail to execute and reduce the check efficiency. B. For gateway NEs, if you select the configuration item "Enforce the FTP/SFTP protocol for loading if the NE to be loaded is a gateway NE", you need to configure an FTP/SFTP server on the network management server to increase the loading speed. C. "Force Parallel Activation". In this activation mode, all packets are activated in parallel, which will cause business interruption. D. Select “Customize with package. The software added by the user is part of the package, that is, matching based on the board on the network element can increase the efficiency of the package". Answer: A 22.In the 40-wave system of WDM equipment, due to the aging of the customer's optical cable, the optical cable should be changed between 2# and 3# sites, and the 4# optical amplifier site should be added between 2# and 3#. Which of the following statement is correct? A. 2# site optical power does not need to be re-commissioned B. 3# site optical power does not need to be re-commissioned C. Need to consider whether the dispersion budget is enough D. No need to consider whether the dispersion budget is enough Answer: C 23.For 10G and coherent 100G mixed transmission systems, which of the following description is correct? A. It is recommended to use a long wavelength for the 10G channel and a short wavelength for the 100G channel. B. Commissioning is based on 100G commissioning requirements, that is, non-standard fiber optic power commissioning. Huawei H12-931-ENU Free Demo Questions V9.02 | Killtest 2020 C. For 100G single wave, because the dispersion tolerance is very large, the dispersion compensation can be compensated according to the 10G compensation principle. D. 100G board OSNR threshold and 10G are basically the same, so the configuration of the amplification plate according to 10G standard is ok. Answer: C 6 / 6