H12-311_V3.0 Exam Questions
476 real H12-311_V3.0 exam questions with expert-verified answers and explanations. Page 7 of 10.
- Question #301WLAN Planning and Deployment
In order to ensure that there will be no interference between the channels of the WLAN network, which of the following frequency bands belong to the 5.8GHz frequency band used in C...
WiFi Channels5.8GHz BandChannel PlanningFrequency Regulations - Question #302WLAN Basic Knowledge
Antennas are classified according to their directionality and can be divided into () antennas and () antennas. (Multiple choice)
antenna directionalityomnidirectionaldirectional antennasantenna classification - Question #303WLAN Basic Knowledge
Which of the following are the common source of WLAN interference? (Multiple choice)
WLAN interferenceISM band interference2.4 GHz coexistenceRF interference sources - Question #304WLAN Basic Knowledge
In China, which of the following WLAN frequency bands are supported by regulations? (Multiple choice)
WLAN Frequency BandsRegulatory Compliance2.4GHz Band5GHz Band - Question #305WLAN Basic Knowledge
Which of the following is controlled by the coverage area size of AP? (Multiple choice)
AP coverage areaantenna angletransmit powersignal propagation - Question #306WLAN Basic Knowledge
Which of the following materials does the WLAN signal have less penetration loss? (Multiple choice)
material penetration lossRF signal attenuationbuilding materialssignal propagation - Question #307WLAN Basic Knowledge
WLAN AP can be powered by (). (Multiple choice)
Power over EthernetPOE switchPOE adapterPower supply - Question #308WLAN Planning and Deployment
Which of the following are the factors that need to be considered in AP capacity planning? (Multiple choice)
AP Capacity PlanningEquipment PerformanceConcurrent UsersPower Supply - Question #309WLAN Planning and Deployment
For outdoor WLAN coverage, which of the following expressions is correct? (Multiple choice)
Antenna Gain & DirectivityImpedance MatchingFeeder Cable SpecificationsOutdoor Deployment Considerations - Question #310WLAN Planning and Deployment
When deploying APs on multiple floors of a building, the factors that need to be paid attention to are (). (Multiple choice)
Multi-floor deploymentRF propagationInterference managementChannel planning - Question #311WLAN Basic Knowledge
Which of the following is correct about power calculation? (Multiple choice)
dBm conversionPower calculationLogarithmic scaleWireless power measurement - Question #312WLAN Basic Knowledge
For dBm, dB, dBi, which of the following is correct? (Multiple choice)
Decibel UnitsPower MeasurementsAntenna GaindBm/dB/dBi Fundamentals - Question #313WLAN Basic Knowledge
The electrical performance indicators of the antenna include (). (Multiple choice)
Antenna Performance IndicatorsAntenna GainRadiation PatternPolarization - Question #314WLAN Basic Knowledge
What factors are related to the coverage of AP? (Multiple choice)
AP transmit powerantenna gainpath lossRF propagation - Question #315WLAN Planning and Deployment
When planning WLAN in a single area, the factors that affect the number of AP deployment are? (Multiple choice)
AP density planningcapacity planningarea coverageRF bandwidth - Question #316WLAN Planning and Deployment
When wireless network engineers plan WLAN networks, the purpose of using RF simulation is? (Multiple choice)
RF simulationsignal coverageSNR analysissite survey - Question #317WLAN Planning and Deployment
Which of the following functions does the Huawei WLAN planning tool have? (Multiple choice)
WLAN planning toolAP positioningcoverage area divisionplanning documentation - Question #318WLAN Planning and Deployment
What are the general methods to solve co-channel interference? (Multiple choice)
Co-channel InterferenceAP Power AdjustmentFrequency Reuse PlanningAntenna Configuration - Question #319WLAN Maintenance and Troubleshooting
The common reason why the AP cannot obtain an IP address is? (Multiple choice)
DHCPIP Address AssignmentAP ConfigurationNetwork Troubleshooting - Question #320WLAN Basic Knowledge
For the polarization of electromagnetic waves, which of the following description is correct? (Multiple choice)
Electromagnetic polarizationAntenna polarizationLinear polarizationCircular polarization - Question #321WLAN Basic Knowledge
For the lobe width, which of the following description is correct? (Multiple choice)
Beam widthAntenna directivityRadiation pattern-3dB point - Question #322WLAN Basic Knowledge
Which of the following statements about antenna classification is correct? (Multiple choice)
Antenna ClassificationAntenna DirectionalityAntenna StructureRF Fundamentals - Question #323WLAN Basic Knowledge
Commonly used radio frequency cables in WLAN systems are? (Multiple choice)
RF CablesFeeder LinesWLAN HardwareAntenna Systems - Question #324WLAN Maintenance and Troubleshooting
What are the reasons why AP cannot go online? (Multiple choice)
AP connectivityDHCP configurationAC discoveryVersion compatibility - Question #325Huawei WLAN Products Introduction
Which configuration methods does the wireless controller support? (Multiple choice)
AC configuration methodsTelnetconsole porteSight - Question #326WLAN Planning and Deployment
In Huawei eSight network management, the method of adding WLAN devices includes? (Multiple choice)
eSight device managementWLAN provisioningdevice addition methodsnetwork management - Question #327WLAN Maintenance and Troubleshooting
Among the following options, which factors will cause the user to find no wireless network signal? (Multiple choice)
wireless troubleshootingnetwork card driverssignal detectionhardware configuration - Question #328WLAN Basic Knowledge
What is the precondition for the user to be able to roam at Layer 3? (Multiple choice)
Layer 3 RoamingSSID ConfigurationAP HandoverCoverage Overlap - Question #329Huawei WLAN Products Introduction
Which of the following two APs are Huawei outdoor APs? (Multiple choice)
Huawei AP modelsOutdoor APsWLAN equipment specificationsAP deployment types - Question #330WLAN Planning and Deployment
With regard to radio frequency tuning, which of the following adjustments are mainly used to ensure that the AP works in the best state? (Multiple choice)
RF TuningChannel ConfigurationPower AdjustmentAP Optimization - Question #331WLAN Basic Knowledge
There are two algorithms for assigning VLAM in VLAN Pool: Sequential Algorithm and Hash Algorithm. Which of the following are the characteristics of Hash Algorithm? (Multiple choic...
VLAN assignment algorithmsHash algorithmVLAN distributionVLAN Pool - Question #332WLAN Security Technologies
In a WLAN network, Spoof spoofing attack packets mainly include which of the following two types of packets? (Multiple choice)
Deauthentication attacksBroadcast framesWLAN spoofingDisassociation frames - Question #333WLAN Services and Applications
Which of the following benefits can intelligent roaming bring? (Multiple choice)
intelligent roamingWLAN performance optimizationload balancingwireless handover - Question #334WLAN Planning and Deployment
Which of the following descriptions about dual-link backup is wrong? (Multiple choice)
Dual-link BackupCAPWAP TunnelHot/Cold BackupActive-Standby Configuration - Question #335WLAN Planning and Deployment
Which one is wrong about the WLAN Layer 2 and Layer 3 networking methods? (Multiple choice)
WLAN ArchitectureAP-AC DiscoveryLayer 2 vs Layer 3Network Methods - Question #336WLAN Planning and Deployment
What are the two most important inputs in WLAN pre-sales site survey? (Multiple choice)
pre-sales site surveyarchitectural drawingsdemand checklistWLAN planning inputs - Question #337WLAN Planning and Deployment
Which of the following statements is correct about the benefits of packet-by-packet power adjustment? (Multiple choice)
packet-by-packet power adjustmentinter-AP interferenceenergy savingtransmit success rate - Question #338WLAN Planning and Deployment
A large enterprise deploys a WLAN network, and some of the SSIDs use the direct forwarding method. Which of the following descriptions about the characteristics of the direct forwa...
Direct forwarding modeAP data pathAC scalabilityNetwork architecture - Question #339WLAN Planning and Deployment
Which of the following descriptions about the second Fresnel zone is correct? (Multiple choice)
Fresnel zoneswave propagationRF interferencesignal phase - Question #340WLAN Maintenance and Troubleshooting
An engineer wants to modify the user information on the Agile Controller, but finds that it cannot be modified. What is the possible reason? (Multiple choice)
User ManagementActive Directory IntegrationPermissionsAgile Controller - Question #341WLAN Planning and Deployment
As shown in the figure, in the dual-link cold standby load sharing network, the configuration is as shown in the figure, AP1 has been online, and AC1 and AP1 have established a mai...
dual-link standbyactive/standby switchoverheartbeat timeoutfailover detection - Question #342WLAN Planning and Deployment
As shown in the picture (just remember the answer) (Multiple choice)
antenna anglecoverage patternantenna orientationdeployment - Question #343WLAN Basic Knowledge
As shown in the figure, which is the correct label for the Fresnel area? (Multiple choice)
Fresnel ZoneRF PropagationPath AnalysisWireless Coverage - Question #344WLAN Maintenance and Troubleshooting
An engineer was unable to establish a connection with the AD server during the process of configuring Agile Controller. The engineer checked that the IP address of the AD directory...
AD/LDAP ConfigurationBase DNTerminal SettingsConnection Troubleshooting - Question #345WLAN Planning and Deployment
As shown in the figure, regarding the N+1 backup network, which of the following descriptions is correct? (Multiple choice)
N+1 backupAC redundancyAP priorityMAC whitelist - Question #346WLAN Maintenance and Troubleshooting
In the N+1 backup network shown in the figure, a total of 300 APs from AP1 to AP300 go online in AC1, a total of 400 APs from AP301 to AP7000 go online in AC2, and AC3 can be confi...
N+1 backup failoverAC capacity limitsactive-standby switchoverAP online limits - Question #347WLAN Planning and Deployment
Only four channels 1, 5, 9, and 13 can be used in a WLAN network. After channel adjustment, as shown in the figure, which one is correct? (Multiple choice)
channel planningnon-overlapping channelsco-channel interferencefrequency reuse - Question #348WLAN Basic Knowledge
Which of the following is correct about the Fresnel radius formula and the earth curvature formula? (Multiple choice)
Fresnel zoneearth curvatureoutdoor RF propagationlink budget - Question #349Huawei WLAN Products Introduction
As shown in the figure, which of the following statements is correct about the dual-machine hot backup solution? (Multiple choice)
dual-machine hot backupmain-backup modeload sharingAC high availability - Question #350WLAN Basic Knowledge
Which of the following antenna patterns are omnidirectional antenna patterns? (Multiple choice)
antenna radiation patternomnidirectional antennaantenna typesRF fundamentals