[2022] H31-341-ENU Exam Dumps, Test Engine Practice Test Questions
Pass H31-341-ENU exam [Jan 11, 2022] Updated 202 Questions
NEW QUESTION 23
Which of the following ROADM boards have WSS optical modules? (Multiple Choice)
- A. RDU9
- B. WSD9
- C. WSM9
- D. WSMD9
Answer: B,C,D
NEW QUESTION 24
The shortcomings of traditional OTDR meters in measuring optical fibers are: (Multiple choice)
- A. Manual interpretation is required, which requires high operator requirements
- B. Cannot be used for routine maintenance testing
- C. Need inbound measurement
- D. Business will be interrupted during measurement
Answer: A,B,C,D
NEW QUESTION 25
Which of the following meters/boards can be used to test the OSR metrics for 10G systems? (Multiple Choice)
- A. MCA8
- B. SDH Analyzer
- C. Spectrum Analyzer
- D. Optical power meter
Answer: A,C
NEW QUESTION 26
If the LED indicator value on the SCC board of the OSN 8800 T32 board is 11, which of the following is the subrack ID?
- A. Slave subrack 2
- B. Slave subrack 17
- C. Slave subrack 1
- D. Slave subrack 11
Answer: D
NEW QUESTION 27
NS4 as 100G line service processing board. In the following description of the NS4 board, which is wrong?
- A. It can be used in electrical relay stations to realize the electrical relay function of the corresponding optical signals.
- B. The wavelength of the wavelength division side optical signal is adjustable within 80 waves of the C-band 50 GHz interval.
- C. The MS4 board does not support the intersection of ODUI services with the ND2 board through the centralized crossover bus.
- D. Support 80-way ODU0/ODUflex or 40-way ODU1 or 10-way ODU2/ODU2e or 2-way ODU3 or 1-way ODU4 signal and cross-board to realize service cross-scheduling.
Answer: A
NEW QUESTION 28
Since the nonlinear effect is generated, its influence on the service signal cannot be repaired. Therefore, the treatment of the nonlinear effect of the existing network is to avoid the occurrence of nonlinear effects.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 29
Which of the following description of the principle of automatic protection switching of the standard SSM protocol is correct? (Multiple Choice)
- A. The network element broadcasts the clock quality information and the clock source ID of the synchronization source to the downlink site through the S1 byte, and reverse notices the uplink site that the clock quality from the local network element is "not available for synchronization" by the S1 byte in the direction of the synchronization source.
- B. The network element broadcasts the clock quality information of the synchronization source to the downlink site through the s1 byte. And reverse notice the uplink site by the S1 byte in the direction of the synchronization source that the clock quality from the local network element is "not available for synchronization".
- C. If there are multiple clock sources with the highest quality level, the network element selects the clock with the highest clock priority as the synchronization source.
- D. According to the clock source priority table, the network element first selects the clock with the highest quality level from the available clock sources as the synchronization source.
Answer: A,B,C,D
NEW QUESTION 30
Which of the following paths can be configured on the network management? (Multiple Choice)
- A. Client
- B. ODUk
- C. OCh
- D. OTS
Answer: A,B,C
NEW QUESTION 31
Which step is more when the the single board replacement operation of main control board single configuration than main control board double configuration?
- A. Query the alarm of the board and confirm that the original alarm has been cleared.
- B. Consistency check of network management and network element data.
- C. Download the original configuration data
- D. Ensure that the version of the host software is the same before and after the replacement.
Answer: C
NEW QUESTION 32
When performing fiber synchronization, the network element does not create a fiber. What does it indicate?
- A. Fiber connection only on the NE side.
- B. Fiber connection that does not exist on the network management side and the NE side.
- C. The fiber connection exists on both the network management side and the network element side.
- D. Fiber connection exists only on the local network management side.
Answer: D
NEW QUESTION 33
The optical monitoring channel wavelength used by the ST2 board is: (Multiple choice)
- A. 1511nm
- B. 1471nm
- C. 1510nm
- D. 1491nm
Answer: A,D
NEW QUESTION 34
Which of the following monitoring boards do not support the processing and transparent transmission of 1588V2 signals? (Multiple choice)
- A. ST2
- B. SC2
- C. SC1
- D. AST2
Answer: B,C
NEW QUESTION 35
The following description of discrete services, which are correct? (Multiple choice)
- A. Discrete service management requires the U2000 license to have path management functions.
- B. For a cross-connection, after the path search, it is either a discrete service or a path with other cross-connections, it is impossible to belong to both high-spread services and other cross-connections to form a path.
- C. A service is searched for a discrete service, indicating that the service is not working properly on the network element side.
- D. Perform path search on the U2000 network management. Cross-connections that do not form a path are called discrete services.
Answer: A,B,D
NEW QUESTION 36
In general, which of the following operations will cause a short interruption in monitoring of existing network devices? (Multiple Choice)
- A. Software loopback
- B. Soft reset main control board
- C. Hard reset main control board
- D. Hardware loopback
Answer: B,C
NEW QUESTION 37
Which of the following description of the ASON software structure is correct? (Multiple Choice)
- A. The transmission plane refers to the traditional transmission network.
- B. Management plane mainly refers to upper management such as network management
- C. Intelligent software main application management plane
- D. Intelligent optical network consists of three planes
Answer: A,B,D
NEW QUESTION 38
Generally, in the NG WD system, the full-wave fiber input power is generally less than 20dBm. What is the main reason?
- A. In order to protect the cable
- B. To avoid nonlinear effects
- C. In order to extend the life of the laser of the board
- D. In order to maintain the personal safety of personnel
Answer: B
NEW QUESTION 39
When the input optical power of the amplifier at the receiving end OAU is lower than the nominal optical power, which of the following are wrong in the operation?
- A. Set the OAU gain so that its output reaches the nominal value
- B. When the input optical power cannot be increased by adjusting the adjustable attenuator, the adjustable attenuation at the input of the amplifier is removed.
- C. Improve the sending optical power of the originator
- D. Adjust the dimmable fading before the terminating amplifier to increase the input optical power of the amplifier
Answer: C
NEW QUESTION 40
Which of the following statements about replacing the SCC board is incorrect?
- A. If the software version of the new SCC board is later than equipment version, clear the database of the SCC board, and then downgrade the software on the SCC board to the same version as the equipment.
- B. If the software version of the new SCC board is earlier than the equipment version, upgrade the software on the SCC board to the same version as the equipment.
- C. After the SCC board is removed, the BD_STATUS and COMMUN_FAIL alarms are reported. After the new board goes online, these alarms need to be manually cleared.
- D. In the case of the 1 + 1 hot backup of the SCC board, replacing the control board does not affect services when the active/standby switchover is performed.
Answer: C
NEW QUESTION 41
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
Answer: A
NEW QUESTION 42
Which of the following is the incorrect description of the internal port properties of the Ethernet board?
- A. For the ingress port for the Access attribute, if the input data carries the VLAN ID, discard.
- B. For the ingress port of the Access attribute, if the input data does not carry the VLAN ID, it is directly transparent.
- C. For the ingress port of the Tag Aware attribute, if the input data does not carry the VLAN ID, discard.
- D. For the inbound port of the Tag Aware attribute, if the input data carries the VLAN ID, transparently receive the data.
Answer: B
NEW QUESTION 43
The packet protection features supported by the OSN 1800V include _______. (Multiple choice)
- A. Tunnel APS
- B. PW APS
- C. TPS
- D. LAG
Answer: A,B,C,D
NEW QUESTION 44
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