H31-311_V2.5 Exam Questions
702 real H31-311_V2.5 exam questions with expert-verified answers and explanations. Page 10 of 15.
- Question #451Huawei Transmission Equipment Introduction
Which of the following are the main functions of U2000 network management? (Multiple choice)
U2000network managementtopology managementperformance management - Question #452WDM/OTN Principles
Which of the following descriptions of MPLS are wrong? (Multiple choice)
MPLSlabel switchingPE/P nodesingress egress - Question #453Optical Fiber Communication Fundamentals
Which of the following are correct regarding optical amplifiers and regenerators? (Multiple choice)
optical amplifierregeneratorbit rate transparencyEDFA - Question #454Huawei Transmission Equipment Introduction
Which of the following elements does a data communication network have in terms of equipment? (Multiple choice)
DCNdata communication networknetwork equipmentswitching - Question #455SDH Transmission Principles
What are the differences between AU pointer and TU pointer? (Multiple choice)
AU pointerTU pointerSDH pointerpointer comparison - Question #456Huawei Transmission Equipment Introduction
Regarding the processing of data frames by the data board port, which of the following descriptions are correct? (Multiple choice)
VLAN taggingtag-aware porthybrid portEthernet switching - Question #457WDM/OTN Principles
Which of the following situations can cause the board to insert the BDI maintenance signal back to the upstream site? (Multiple choice)
BDI signalOTN alarmmaintenance signalODU alarms - Question #458SDH Transmission Principles
Which of the following descriptions are correct? (Multiple choice)
multiplex section protectionAPSlinear MSPring protection - Question #459WDM/OTN Principles
Which of the following are the main features of the overall structure of a WDM system with N- channel wavelength multiplexing? (Multiple choice)
WDM system structurewavelength conversion unitoptical amplifier unitmonitoring unit - Question #460SDH Transmission Principles
Which of the following statements are correct regarding the alarms caused by mismatch? (Multiple choice)
SDH alarmsJ0 byte mismatchJ1 byte mismatchC2 byte - Question #461WDM/OTN Principles
Which of the following are the main technical indicators for measuring filters? (Multiple choice)
filtersinsertion lossbandwidthcrosstalk - Question #462Huawei Transmission Equipment Introduction
When 172.17.15.0/24 is subnetted using an extra 4 bits, which of the following addresses are legal subnet addresses? (Multiple choice)
subnettingIPv4 addressingCIDRIP networking - Question #463WDM/OTN Principles
Among the following recommendations, which of the following protocols are related to WDM? (Multiple choice)
ITU-T standardsWDM recommendationsG.671G.692 - Question #464SDH Transmission Principles
What standard encapsulation protocols are defined in MSTP? (Multiple choice)
MSTPencapsulation protocolsGFPLAPS - Question #465SDH Transmission Principles
Which of the following options are correct? (Multiple choice)
CESoPSNSATopE1 frameCES services - Question #466WDM/OTN Principles
There are three types of multi-level connection monitoring modes (TCM) in OTN. Which of the following are correct? (Multiple choice)
OTNTCMconnection monitoring modesnested mode - Question #467SDH Transmission Principles
Which of the following are traditional methods for multiplexing low-speed signals into high-speed signals? (Multiple choice)
multiplexingbit stuffingfixed position mappingsignal hierarchy - Question #468SDH Transmission Principles
Currently, the most commonly used signal is 2Mbit/s. Which of the following steps are involved in the process of multiplexing 2Mbit/s signals into STM-N? (Multiple choice)
STM-N multiplexingrate adaptationpointer additionscrambling - Question #469Optical Fiber Communication Fundamentals
What are the main losses of optical fiber? (Multiple choice)
optical fiber lossabsorption lossscattering lossbending loss - Question #470Huawei Transmission Equipment Introduction
Which of the following optical loss alarms will not cause service interruption? (Multiple choice)
optical alarmsLOS alarmsOSCservice interruption - Question #471Huawei Transmission Equipment Introduction
The emergence of QinQ is mainly aimed at which of the following prominent problems in the network? (Multiple choice)
QinQVLANMPLScarrier Ethernet - Question #472Optical Fiber Communication Fundamentals
Which of the following parts does optical fiber consist of? (Multiple choice)
optical fiber structurefiber corecladdingcoating - Question #473Huawei Transmission Equipment Introduction
MAC forwarding table: Which of the following items does it contain? (Multiple choice)
MAC forwarding tableVLAN IDMAC addressEthernet switching - Question #474SDH Transmission Principles
Which of the following statements are correct regarding the use of J0 bytes? (Multiple choice)
J0 bytesection overheadSTM-N frameaccess point identifier - Question #475Optical Fiber Communication Fundamentals
Which of the following are not passive optical devices? (Multiple choice)
passive optical deviceslasermodulatoroptical components - Question #476WDM/OTN Principles
Which of the following layers of overhead belong to the electrical layer overhead of OTN? (Multiple choice)
OTN overheadOPUkODUkelectrical layer - Question #477WDM/OTN Principles
Among the maintenance signals at the ODUk level, which of the following maintenance signals are included in the STAT bits of PM and TCM? (Multiple choice)
ODUk maintenance signalsSTAT bitsPM TCMOCI LCK - Question #478SDH Transmission Principles
Which of the following are the main advantages of SDH? (Multiple choice)
SDH advantagessynchronous multiplexingOAM functionsinterface specifications - Question #479WDM/OTN Principles
The DWDM system has extremely high requirements on the stability of the light source. Which of the following factors affect the stability of the light source? (Multiple choice)
DWDM light sourcelaser stabilitytemperature effectsdriving current - Question #480WDM/OTN Principles
There are many types of optical wavelength division multiplexers. Which ones are listed below? (Multiple choice)
wavelength division multiplexer typesinterference filtergratingarrayed waveguide - Question #481WDM/OTN Principles
Which of the following are the basic requirements of DWDM system for light source? (Multiple choice)
DWDM light sourcewavelength stabilitydispersion tolerancelaser requirements - Question #482SDH Transmission Principles
What functions does the SDH overhead byte perform? (Multiple choice)
SDH overhead byteserror monitoringframe alignmentchannel tracking - Question #483WDM/OTN Principles
What does the optical layer overhead include? (Multiple choice)
OTN optical layer overheadOchOMSOTS - Question #484SDH Transmission Principles
Which of the following statements about pointer adjustment are correct? (Multiple choice)
pointer adjustmentpayload areaSDH synchronizationpointer mechanism - Question #485Huawei Transmission Equipment Introduction
Which of the following statements are correct? (Multiple choice)
Ethernet hubLAN topologycollision domainnetwork devices - Question #486SDH Transmission Principles
For the B1 byte, which of the following statements are correct? (Multiple choice)
B1 byteBIP-8section overheaderror monitoring - Question #487SDH Transmission Principles
Which of the following are the logical function modules involved in clock information processing? (Multiple choice)
clock synchronizationSETSSPItiming modules - Question #488SDH Transmission Principles
Which of the following statements about the frame structure of SDH signals are correct? (Multiple choice)
SDH frame structureframe periodsignal ratebyte interleaving - Question #489WDM/OTN Principles
Which of the following descriptions about solving the system OSNR limitation problem are correct? (Multiple choice)
OSNRcoherent detectionFEC codingEDFA amplifier - Question #490Optical Fiber Communication Fundamentals
Which of the following options are low-loss areas of single-mode optical fiber? (Multiple choice)
optical fiber loss windows1310nm1550nmsingle-mode fiber - Question #491Huawei Transmission Equipment Introduction
What are the main functions of LAG? (Multiple choice)
LAGlink aggregationlink capacitylink availability - Question #492Huawei Transmission Equipment Introduction
When enabling NE performance monitoring events on the U2000 network management system, which of the following statements is correct? (Multiple choice)
U2000 NMSperformance monitoringNE managementmonitoring configuration - Question #493Optical Fiber Communication Fundamentals
Which of the following options belong to nonlinear effects? (Multiple choice)
nonlinear effectsSPMRaman scatteringfour-wave mixing - Question #494SDH Transmission Principles
Which of the following alarms will be reported when performing a fiber cut test on a common MSP ring? (Multiple choice)
MSP ringfiber cut testprotection switching alarmsR-LOS - Question #495Huawei Transmission Equipment Introduction
The standard Ethernet frame length should not be less than 64 bytes. Which of the following factors will lead to this limitation? (Multiple choice)
Ethernet frameminimum frame lengthCSMA/CDcollision detection - Question #496Huawei Transmission Equipment Introduction
Which of the following are types of service boards for MSTP equipment? (Multiple choice)
MSTP equipmentservice board typesinterface boardboard classification - Question #497SDH Transmission Principles
When using the LCAS function, which of the following overhead bytes is used to transmit control information? (Multiple choice)
LCASvirtual concatenationH4 byteK4 byte - Question #498WDM/OTN Principles
Which of the following is the electrical layer overhead of OTN? (Multiple choice)
OTN electrical layer overheadOPUkODUkOTUk - Question #499Huawei Transmission Equipment Introduction
Which of the following statements about 1+1 protection of cross-connection board are correct? (Multiple choice)
1+1 protectioncross-connect boarddual bus architectureprotection switching - Question #500SDH Transmission Principles
Which of the following statements about the MST functional module are correct? (Multiple choice)
MST functional modulemultiplex section terminationB2 byteE2 orderwire