H12-311_V3.0 Exam Questions
476 real H12-311_V3.0 exam questions with expert-verified answers and explanations. Page 10 of 10.
- Question #451WLAN Basic Knowledge
An antenna is different from a signal amplifier. It is a passive device that does not need power supply, but only guides and shapes wireless signals.
antennapassive devicesignal shapingwireless signal - Question #452WLAN Services and Applications
In the feature of uninterrupted channel switching service, the AP and the terminal agree on the time to switch the channel synchronously. The beacon frame is used as the time point...
channel switchingbeacon frameCSAservice continuity - Question #453WLAN Basic Knowledge
In smart roaming, a terminal that supports 802.11k can actively collect surrounding neighbor AP information and report it to the associated AP.
802.11kSmart RoamingNeighbor AP DiscoveryMobility - Question #454WLAN Maintenance and Troubleshooting
The AP periodically sends Discovery Request messages to check the status of the original primary link. When the link recovers, the AP detects that the priority level of the link is...
AP switchbackdual-link backupprimary link recoveryecho cycle - Question #455WLAN Planning and Deployment
In some special environments, it is necessary to use more APs. The channels cannot be completely separated. Therefore, it is possible to consider appropriately reducing the transmi...
transmit_powerinterference_mitigationAP_deploymentchannel_management - Question #456WLAN Planning and Deployment
When testing the attenuation of obstacles in the WLAN site survey, the signal source needs to be placed in a suitable position. There is no occlusion between it and the obstacle to...
site surveysignal source placementobstacle attenuationmeasurement accuracy - Question #457WLAN Planning and Deployment
In WLAN bandwidth design, the average bandwidth of access users decreases linearly with the increase of users.
bandwidth allocationuser capacity scalingchannel sharingthroughput per user - Question #458WLAN Planning and Deployment
The use of directional antennas in any country can significantly increase the coverage area of WLAN
directional antennascoverage arearegulatory constraintsEIRP limits - Question #459WLAN Planning and Deployment
When the 2.4G frequency band is used for coverage in the case of dense WLAN users and a large number of APs, the H40 method can be used to increase the bandwidth.
H40 method2.4G frequency bandDense WLAN coverageBandwidth management - Question #460WLAN Basic Knowledge
4G frequency band; otherwise, the terminal is considered to be a dual-band terminal. The same logic applies to 5G radios.
dual-band terminals4G/LTE bands5G bandsterminal classification - Question #461WLAN Planning and Deployment
According to different scenarios, the AC or AP can be set as the home agent in the Layer 3 roaming of the direct forwarding network. When an AP is set as a home agent, tunnel forwa...
Layer 3 RoamingHome Agent ConfigurationDirect ForwardingAC/AP Roles - Question #475WLAN Maintenance and Troubleshooting
Part of the radio frequency tuning process, about the operation steps of radio frequency tuning
RF TuningNeighbor DetectionAC-AP CommunicationWLAN Optimization - Question #476WLAN Planning and Deployment
Please sort the establishment process of the Mesh connection.
Mesh ConnectionProbe ProcessConnection EstablishmentWLAN Topology - Question #477WLAN Planning and Deployment
Configure the process for some radio frequency tuning, about the configuration process of radio frequency tuning
RF tuningChannel configurationTransmit powerAuto-selection - Question #478Huawei WLAN Products Introduction
There are three backup technologies for WLAN high reliability. Please match each backup technology with the corresponding description.
dual-system hot backupAC redundancyhigh reliabilityactive/standby AC - Question #479WLAN Security Technologies
What is the default authentication mode supported by AP?
AP authenticationMAC authenticationdefault modeAP access control - Question #480WLAN Basic Knowledge
What is available of the following that support the 802.11 standard of 5G frequency band? (Select 3 Answers)
802.11 standards5 GHz bandwireless protocolsfrequency bands - Question #481WLAN Security Technologies
Which of the following description for PSK certification is correct? (Select 3 Answers)
PSKWPA/WPA2Four-way HandshakeAuthentication - Question #482WLAN Basic Knowledge
Which of the following options are EDCA parameters (Select 2 Answers)?
EDCAQoSMAC parameters802.11e - Question #483WLAN Services and Applications
There are many video conferences in large companies, and QoS generally adopts the service model.
QoSVideo ConferencingService ModelsNetwork Priority - Question #484WLAN Security Technologies
The following is an incorrect way to refer to AP access control (Select 2 Answers).
AP access controlMAC authenticationWhitelist configurationAP-AC authentication - Question #485Huawei WLAN Products Introduction
Regarding the characteristics of Huawei WLAN products, the following statement is correct.
Load BalancingSwitching Threshold ConfigurationAP Controller ArchitectureHuawei WLAN Features - Question #486WLAN Services and Applications
Among the following options, it is not the main purpose of roaming.
roamingSTA mobilityservice continuityroaming objectives - Question #487WLAN Services and Applications
Which of the following are related parameters of the Traffic template (Select 2 Answers).
Traffic templateQoS priority mapping802.3 priorityTunnel priority - Question #488WLAN Basic Knowledge
When an 802.11 packet sent by a STA enters the Ethernet through the AP, it is converted into an 802.3 packet, which is not a priority mapping method.
802.11/802.3 ConversionPriority MappingQoSAP Bridging - Question #489Network Management and O&M
The Int-Serv model provides users with end-to-end absolute QoS guarantees, but the reason for the lack of successful large-scale commercial use is.
IntServQoS modelRSVPscalability