H31-311_V2.5 Exam Questions
702 real H31-311_V2.5 exam questions with expert-verified answers and explanations. Page 8 of 15.
- Question #351SDH Transmission Principles
Which of the following is the encapsulation protocol for mapping data signals to SDH&OTN?
GFP protocoldata mappingSDH encapsulationOTN encapsulation - Question #352SDH Transmission Principles
Which of the following planes does the ASON network have more than the traditional network?
ASONcontrol planeintelligent optical networknetwork plane architecture - Question #353SDH Transmission Principles
Which of the following bytes is used for error monitoring of the high-order channel?
B3 bytehigh-order path monitoringBIP-8SDH overhead bytes - Question #354SDH Transmission Principles
Which of the following is the protection method of TPS?
TPS protection1:N protectiontributary protection switchingSDH protection - Question #355Huawei Transmission Equipment Introduction
Which of the following is not included in the product highlights of OptiXtrans E6608T/Optix OSN 1800 II?
OptiXtrans E6608TOSN 1800 IIproduct highlightsHuawei transmission - Question #356WDM/OTN Principles
Which of the following is a characteristic of WDM network expansion?
WDM network expansionscalabilityinvestment protectionDWDM deployment - Question #357Huawei Transmission Equipment Introduction
Which of the following functions does the TNG2AST2 board not support?
TNG2AST2 boardoptical ASONIEEE 1588v2Huawei board features - Question #358WDM/OTN Principles
Which of the following descriptions of ODUK_PM_BDI is correct?
ODUk PM BDIOTN alarmsbackward defect indicationOTN performance monitoring - Question #359SDH Transmission Principles
Which of the following descriptions about full-duplex Ethernet is wrong?
full-duplex EthernetCSMA/CD eliminationtransmission distancecollision domain - Question #360SDH Transmission Principles
Which of the following protections requires the use of the APS protocol?
APS protocolautomatic protection switching1+1 protectionSDH protection switching - Question #361WDM/OTN Principles
Under which of the following scenario combinations can the rerouting and automatic wavelength change functions of the optical layer ASON network be realized?
optical layer ASONreroutingdirectionlesscolorless - Question #362Huawei Transmission Equipment Introduction
Which of the following descriptions about the MD02 board is wrong?
MD02 boardwavelength rangeOTU4OTUC2 - Question #363WDM/OTN Principles
Which of the following overheads is used to provide fault type and fault location information?
FTFL overheadfault typefault locationOTN overhead - Question #364WDM/OTN Principles
Which of the following descriptions of the advantages of OTN is wrong?
OTN advantagesTCM levelsFEChigh-speed interfaces - Question #365WDM/OTN Principles
Which of the following modulation techniques is used in 100G coherent systems?
100G coherentePDM-QPSKmodulation techniquescoherent optical - Question #366Optical Fiber Communication Fundamentals
The refractive index of the core n1 () and the refractive index of the cladding n2 are necessary conditions for the transmission of optical signals in optical fibers.
refractive indextotal internal reflectioncore claddingoptical fiber propagation - Question #367WDM/OTN Principles
Which of the following protocols in the OTN standard system involves the optical transport network interface?
G.709OTN standardoptical transport network interfaceITU-T - Question #368WDM/OTN Principles
In a wavelength division system, after a certain distance of transmission, the optical signal-to- noise ratio of the receiving end signal will be reduced to a certain extent. Which...
EDFAASE noiseOSNR degradationamplifier noise - Question #369SDH Transmission Principles
Which of the following bytes is used to monitor the bit error of the regeneration section signal stream?
B1 byteregeneration section BIPBIP-8SOH overhead - Question #370WDM/OTN Principles
Which of the following descriptions about the Ethernet frame structure is wrong?
Ethernet frame structuretype fieldARP protocolFCS - Question #371SDH Transmission Principles
By default, if the B2 bit error exceeds which of the following thresholds, a B2-EXC alarm will be generated?
B2-EXC alarmBIP thresholdmultiplexer sectionSDH alarm - Question #372SDH Transmission Principles
Which of the following is the protection method of TPS?
TPS protection1:N protectiontributary protection switchingSDH protection - Question #373WDM/OTN Principles
Which of the following boards is not an optical layer board?
optical layer boardsOWC boardOADM boardWDM board classification - Question #374WDM/OTN Principles
In a wavelength division multiplexing system, when the wave number exceeds how many wavelengths, is it recommended to use an arrayed waveguide grating (AWG)?
AWGarrayed waveguide gratingwavelength countWDM multiplexing - Question #375SDH Transmission Principles
The AU pointer indicates the position of the J1 byte of the VC-4 in this frame.
AU pointerJ1 byteVC-4 positionSDH pointer - Question #376WDM/OTN Principles
Which of the following is not a basic component of the WDM system structure?
WDM system componentsOMUOAOTU - Question #377SDH Transmission Principles
The number of error blocks in each VC4 channel is detected by B3 at the receiving end. At the same time, this information is sent back to the transmitting end by which of the follo...
G1 byteHP-REIBIP feedbackFEBBE - Question #378SDH Transmission Principles
Which of the following logic function blocks is used to process and generate AU-PTR?
MSA function blockAU-PTR processingSDH logical functionspointer generation - Question #379WDM/OTN Principles
The main difference between an open DWDM system and an integrated DWDM system is whether or not the following technologies are used?
open DWDMintegrated DWDMwavelength conversionOEO conversion - Question #380WDM/OTN Principles
What is the function of the overhead TCM in ODUk?
TCM overheadODUktandem connection monitoringOTN overhead - Question #381SDH Transmission Principles
Which of the following values has the highest clock quality?
clock synchronizationSSM quality levelbinary encodingSDH timing - Question #382WDM/OTN Principles
Which of the following descriptions about the process of multiplexing ODU1 to ODU2 is correct?
OTN multiplexingODU hierarchyODTU mappingOPU - Question #383Huawei Transmission Equipment Introduction
The packet service board can perform L3 layer processing on the accessed large network services.
packet service boardL3 processingservice board capabilitieslayer processing - Question #384WDM/OTN Principles
Which of the following converts non-standard wavelengths into standard wavelengths specified by ITU-T in the WDM system structure?
wavelength conversionOTU transponderITU-T standard wavelengthsWDM structure - Question #385Huawei Transmission Equipment Introduction
Which of the following does not belong to wavelength division service adjustment?
wavelength adjustmentservice managementWDM operationsoptical layer - Question #386Huawei Transmission Equipment Introduction
Which of the following is not one of the main characteristics of SDN?
SDN characteristicsnorthbound interfacecontrol plane separationcentralized control - Question #387WDM/OTN Principles
When the client-side 1+1 protection uses different routes, the working wavelength and protection wavelength cannot use the same wavelength.
1+1 optical protectionwavelength reuseclient-side protectionprotection routing - Question #388Huawei Transmission Equipment Introduction
TNV2E224 board does not support which of the following types of protection?
TNV2E224 boardboard protection typesSNCPLAG - Question #389Huawei Transmission Equipment Introduction
Which of the following descriptions about the EX40 board is wrong?
EX40 boardwavelength multiplexersingle-fiber bidirectionaloptical power monitoring - Question #390WDM/OTN Principles
What is the main reason why the OSC monitoring signal does not pass through the EDFA amplification along with the business signal?
OSC monitoringEDFA amplificationoptical supervisory channelOA failure - Question #391Optical Fiber Communication Fundamentals
Which of the following is not an advantage of Raman amplifier?
Raman amplifierpump powernoise figureoptical amplification - Question #392WDM/OTN Principles
When the line board tuning granularity is ODUflex, which of the following protections can be supported?
ODUflexSW SNCP protectionline board tuningOTN protection - Question #393Huawei Transmission Equipment Introduction
EPL service realizes exclusive use of ports and bandwidth. Different users may need to share resources. In order to isolate user data, which of the following methods cannot be used...
EPL serviceERPSuser data isolationVLAN - Question #394WDM/OTN Principles
The essence of OPSK modulation is to reduce the baud rate of the optical signal by half without reducing the line rate by washing four possible values on the phase of the optical f...
QPSK modulationbaud rate reductionspectral efficiency40G ULH transmission - Question #395Optical Fiber Communication Fundamentals
Which of the following optical fibers has the following dispersion characteristics: the dispersion is 0 at 1310nm, and the typical dispersion coefficient is 17ps/nm.km near 1550nm?
optical fiber typesG.652chromatic dispersionzero dispersion wavelength - Question #396Optical Fiber Communication Fundamentals
If a weak signal light and a strong pump light are transmitted simultaneously in an optical fiber, and the wavelength of the weak signal light is within the Raman gain bandwidth of...
stimulated Raman scatteringRaman gainoptical amplificationpump signal interaction - Question #397WDM/OTN Principles
In which ITU-T recommendation is the OTN frame structure defined?
OTN frame structureG.709ITU-T recommendationOTN standards - Question #398WDM/OTN Principles
Which of the following modulation technologies is currently used in 100G wavelength division systems?
100G modulationePDM-QPSKcoherent transmissionpolarization multiplexing - Question #399SDH Transmission Principles
Which of the following alarms will not trigger an AU-AIS alarm?
SDH alarmsAU-AISalarm propagationalarm hierarchy - Question #400Optical Fiber Communication Fundamentals
What principle of light is used when light propagates in optical fiber?
total internal reflectionoptical fiberlight propagationfiber optics fundamentals