H31-341_V2.5 Exam Questions
997 real H31-341_V2.5 exam questions with expert-verified answers and explanations. Page 2 of 20.
- Question #51
Which of the following options is not an advantage of EDFA optical amplifiers?
- Question #52
What operation does the PROG indicator of the NG WDM device board blink rapidly (green) indicate?
- Question #53
Which of the following descriptions about electrical layer scheduling is wrong?
- Question #54
Which of the following commissioning ranges should the optical power of each single wave before combining (that is, the input optical power of the combining board) be within?
- Question #55
When PWE3 emulates TDM services, when the UNI side interface uses CRC4-multiframe access, which emulation method does PWE3 use?
- Question #56
Which of the following services has the smallest frame period?
- Question #57
Which of the following descriptions about optical line protection is wrong?
- Question #58
In a chain network, NE1, NE2, and NE3 are all OADM sites, and NE1 is a gateway network element, and uses OSC communication. When the optical monitoring board at the intermediate si...
- Question #59
In the deployment or expansion scenario, alarm reversal can reverse the alarm state and reduce a large number of unnecessary alarm reports. Which of the following descriptions abou...
- Question #60
If only all network elements in a certain subnet are out of management on the network management system, and network elements belonging to other subnets communicate normally, which...
- Question #61
In the troubleshooting scenario, which of the following descriptions about the alarms reported when the optical monitoring board receives abnormal light is correct?
- Question #62
In the troubleshooting scenario, which of the following descriptions about the channels for obtaining signal flow information is wrong?
- Question #63
The optical monitoring channel is set up for the monitoring of WDM optical transmission systems. ITU-T recommends that 1510nm wavelength be used first. Which of the following is th...
- Question #64
When using the path method to create OCh, which of the following service layer paths is required?
- Question #65
Which of the following paths have nothing to do with business?
- Question #66
For OSN series equipment, what alarm will be reported when one of the PIUs is not connected to the power supply?
- Question #67
For OSN series equipment, when the standby board is normal, which of the following operations will not cause the active/standby switchover of the crossover or clock board?
- Question #68
In a 25GMSP ring consisting of four MSTP stations. When protection switching occurs, which of the following statements about alarm reporting are correct?
- Question #69
In terms of protection capability, which of the following topological structures has the strongest protection capability?
- Question #70
Which of the following is the maximum service capacity on the STM-4 bidirectional multiplex section protection ring composed of four network elements?
- Question #71
Which one of the following networking forms that support additional service configurations.
- Question #72
In the Windows operating system, the log files of the U2000 program itself are stored in which of the following directories of the U2000 installation drive letter?
- Question #73
Assuming that the IP address of the U2000 network management system is: 58.251.159.100/255.255.0.0, which of the following IP addresses cannot be used as the IP address of the gate...
- Question #74
The input optical power of an OAU101 board in a network is -19dBm, and the output power needs to reach 1dBm. Due to the long distance, a DCM (D) module is connected between the TDC...
- Question #75
The time slot used to transmit OTN optical overhead information in OSC overhead is?
- Question #76
Which of the following is the effect of changing the network element ID of OSN3500 on the NMS?
- Question #77
The four-wave mixing phenomenon is the most serious when the optical signal propagates in the optical fiber of which of the following option, and the transmission damage caused by...
- Question #78
Which of the following is the OPUk payload structure identification overhead?
- Question #79
The mask of an IP subnet is 28 bits, then the number of hosts in the subnet is?
- Question #80
Which of the following is not included in the basic architecture of MPLS L2VPN?
- Question #81
The setting of alarm reversal is based on?
- Question #82
The maximum cross-connect capacity of a single slot of the OSN 8800T32 enhanced subrack is?
- Question #83
Which of the following is the multiplexing method of SDH?
- Question #84
The interval between two adjacent pointer alignment events is at least () frames.
- Question #85
The two-fiber ring topology composed of 3 network elements is arranged in counterclockwise order, when the services between A, B, CA and C occupy the 48th VC-12 in the first VC-4 o...
- Question #86
When the value of the S1 byte is Ox02, it means ().
- Question #87
In the same ASON network, which of the following parameters can uniquely identify an intelligent network element within the scope of the intelligent domain?
- Question #88
Which of the following costs is not included in the OOS cost?
- Question #89
Which of the following is the common point between the two-fiber bidirectional multiplex section shared protection ring and the four-fiber bidirectional multiplex section protectio...
- Question #90
Which of the following are not part of the ASON control protocol?
- Question #91
Which of the following descriptions of the characteristics of differential protection services are wrong?
- Question #92
The current sparse wavelength division multiplexing system generally works in the band from 1271nm to 1611nm. Which of the following is the channel spacing?
- Question #93
If there is no plug-in board on the hardware, which of the following indicator light of SSN1PQ1 will be red?
- Question #94
The length range of the DATA field in the Ethernet frame structure is?
- Question #95
After a certain distance of transmission in the WDM system, the optical signal-to-noise ratio of the signal at the receiving end will decrease to a certain extent. The most importa...
- Question #96
When testing the overload point and sensitivity of the IN port of the OTU board, which of the following is unnecessary?
- Question #97
Which of the following statements about extended ECC is wrong?
- Question #98
Which of the following is the number of VLANs that QINQ technology can provide?
- Question #99
The frame structure of TU3 is a bit incomplete and needs to fill up the gap. This can effectively prevent which of the following phenomenon from occurring?
- Question #100
Which of the following description about 1+1 optical line protection is wrong?