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Exam Code:H31-311_V2.5
Exam Name:HCIA-Transmission V2.5
Certification Provider:Huawei
Free Question Number:114
Version:v2025-10-14
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Exam Question List
Question 1: LCK insertion takes precedence over AIS insertion. That is, ...
Question 2: Which of the following is the multiplexing method of SDH?...
Question 3: Which of the following is the main networking type of a tran...
Question 4: The AAC address consists of 46 bits and is globally unique W...
Question 5: Which of the following is the frame indicated by the VC-4 J1...
Question 6: According to ITU-T's recommendations, the requirement that t...
Question 7: QinQ technology can be used when multiple users need to shar...
Question 8: Which of the following local maintenance endpoints can be us...
Question 9: Which of the following statements about an Ethernet switch i...
Question 10: Which of the following is not a non-linear effect?...
Question 11: After configuring PDH on a per-net element basis, the full t...
Question 12: MSP is a network-level protection scheme. MSF does not direc...
Question 13: In Recommendation ITU-T G.692, the allowable channel frequen...
Question 14: Automatic Laser Shutdown (ALS): When no optical signal is re...
Question 15: Which of the following are prerequisites for self-healing ne...
Question 16: The scope of management of OMSn is the path from the input o...
Question 17: The rate of SF64 and SL64 boards is STM54. Therefore, the tw...
Question 18: Which factors determine the optical signal-to-noise ratio (O...
Question 19: The dual fiber ring topology consisting of three network ele...
Question 20: According to the formula "ODUk rate = 239/(239k) x STM-N fra...
Question 21: STM-64 has an () AU pointer.
Question 22: Which of the following logical function modules is used to g...
Question 23: SDH is a complete standard digital signal hierarchy that pro...
Question 24: Which of the following is not a basic component of a WDM sys...
Question 25: Which of the following bytes can be used for ordenwire calls...
Question 26: When using the LCAS function, which of the following overhea...
Question 27: Which of the following statements about the EFS4 board are c...
Question 28: SES: There are 5% or more of the False blocks or at least on...
Question 29: An unprotected chain consists of four net elements; ME1, NE2...
Question 30: When using a script to back up U2000 data, the backup speed ...
Question 31: When the SNCP ring consisting of four Optis OSN 2500 devices...
Question 32: Which of the following statements about OTN advantages is fa...
Question 33: The clock unit can only access the external clock source as ...
Question 34: In WDM systems, it is ideal to use a dielectric thin problem...
Question 35: The device IP address of the gateway element and the non-gat...
Question 36: If a network port that supports autonegotiation is connected...
Question 37: Which of the following is not the advantage of WDM?...
Question 38: Some SNCP protection inversion conditions are default, such ...
Question 39: Which of the following statements about the MSP ring is corr...
Question 40: Which of the following statements about the MD02 board is in...
Question 41: When the ACT indicator of the SDH board is off, it means tha...
Question 42: Two PIU or APIU boards of an OpCXtrans E6616/OptiX OSN 1800V...
Question 43: Which of the following is photolayer tracking? (Multiple Cho...
Question 44: There are 48 bits in MAC address. The first ( ) bits make up...
Question 45: Configuring the EPLAN service as a ring is not recommended. ...
Question 46: Which of the following statements about basic LCAS functiona...
Question 47: Which of the following light sources has the best dispersion...
Question 48: Which of the following statements about overhead bytes is in...
Question 49: When setting up LCAS mode, follow these principles: 1. If bo...
Question 50: Which of the following is the default WTR time for MSP switc...
Question 51: In a WDM system, when the number of wavelengths is greater t...
Question 52: Compared with dense wavelength division multiplexing (DWDM) ...
Question 53: Which of the following statements regarding multiplexing par...
Question 54: For alignment; Indicates the starting position of VC-n in th...
Question 55: EPL services use bandwidth exclusively on the line, which is...
Question 56: After signals are transmitted for a certain distance in a WD...
Question 57: Which of the following alarm/event storage modes does U2000 ...
Question 58: The OPC board is an optical-layer platform board that must w...
Question 59: Are the following statements regarding the definition of SDH...
Question 60: In the frame structure of the SDH signal, there are large ov...
Question 61: Which of the following is the functional unit that provides ...
Question 62: Bait-doped fiber amplifiers (EDFAs) are a key component of t...
Question 63: During service configuration, there are two time slot modes....
Question 64: Both PDH and SDH have globally harmonized standards....
Question 65: During service configuration, which of the following service...
Question 66: When an OTU board works with an OLP board, the optical power...
Question 67: Which of the following layers define the protocols that cont...
Question 68: U2000 can flexibly interconnect with different third-party n...
Question 69: Which of the following is the difference between an AU point...
Question 70: Which of the following technologies is the main difference b...
Question 71: For OSN3500, there is a slot mapping relationship between th...
Question 72: Which of the following are the service board types for MSTP ...
Question 73: Which of the following ITLI-T recommendations define the OTN...
Question 74: The SP3D board supports 63 E1 services...
Question 75: Which of the following can be configured as the monitoring t...
Question 76: Which of the following statements about the clock source are...
Question 77: Which of the following is not the northbound interface provi...
Question 78: Transmitting test frames affects services....
Question 79: The TNG1N401 board supports hybrid transmission of multiple ...
Question 80: The rate of STM-0 is 51.84 Mbtt/s....
Question 81: Which of the following is affected by changing the element I...
Question 82: TU-AIS is often encountered during network maintenance. Whic...
Question 83: Which of the following statements about ODUk_PM_BDI is corre...
Question 84: For osn3500, which of the following boards provides centrali...
Question 85: Which of the following service types are supported by MS-OTN...
Question 86: In WDM systems, it is ideal to use a dielectric thin film fi...
Question 87: When the low-level resources of the device are insufficient,...
Question 88: Which of the following boards can directly receive client-si...
Question 89: Which of the following different types of ESC are divided ac...
Question 90: The working mode of the port determines the flow control mod...
Question 91: When configuring LMSP, there are two switching modes: single...
Question 92: Which of the following bridges are used to forward data base...
Question 93: NCE software is deployed in B/5 (browser/server) mode....
Question 94: Which of the following is not an optical-layer board?...
Question 95: The 1510nm optical monitoring channel can be effectively amp...
Question 96: In the Windows operating system, the log files of the U2000 ...
Question 97: Which of the following is not an EVPLAN feature?...
Question 98: When the J1 byte does not match, an alarm () is reported and...
Question 99: Which of the following statements about the MST functional m...
Question 100: The standard Ethernet frame length should not be less than 6...
Question 101: Which of the following statements about the advantages of OT...
Question 102: Which of the following statements about the sequence of a si...
Question 103: The optical amplifier unit compensates for line losses and e...
Question 104: The last 256 columns in the OTN frame structure are the FEC ...
Question 105: According to the formula "ODUk rate = 239/(239k) x STMN fram...
Question 106: OSN1500/2500/3500/7500 supports DC and AC power inputs....
Question 107: On the NMS system, the network element performance monitorin...
Question 108: Coherent receiver technology uses a local oscillator laser w...
Question 109: When configuring the SXCS single board for the OSN3500, whic...
Question 110: If you group SNCP services with the same source, sink, or ro...
Question 111: What are the basic features of the U2000? Multiple Choices...
Question 112: Which of the following communication protocols are used for ...
Question 113: Which of the following is the main advantage of SDH? (Multip...
Question 114: Which of the following are communication quality alerts? (Mu...