H12-311_V3.0 無料問題集「Huawei HCIA-WLAN V3.0」

（A）CCC

（B）FCC

（C）IETF

（D）ETSI

（A）PSU

（B）PI

（C）PSE

（D）PD

（A）1,1

（B）0,1

（C）0,0

（D）1,0

（A）INTERNET

（B）NSFnet

（C）ARPANet

（D）ALOHNET

（A）802.11e

（B）802.11f

（C）802.11i

（D）802.11n

（A）The disadvantages of shared keys are poor scalability and not very secure

（B）For skinny AP, The shared key is preset in AC middle

（C）The shared secret requires users and AP Use the same shared secret

（D）After adopting shared key authentication, you must use WEP Encryption

（A）Shared key authentication

（B）PSK authentication

（C）Open system authentication

（D）PPSK authentication

（A）ctc (China Telecom)

（B）cuc (China Unicom)

（C）cmcc (China Mobile)

（D）other (other)

（A）Control frame

（B）Empty data frame

（C）Management frame

（D）Data Frame

（A）6 and 11

（B）3 and 8

（C）4 and 10

（D）4 and 8

（A）User equipment MAC The address has been added to the blacklist

（B）Where the user is VLAN No configuration DHCP server

（C）The authentication password specified by the user is incorrect

（D）wlan-ess No configuration on the virtual interface dhcp-enable

（A）AP → SW3 → SW2 → AC → SW2 → SW3 → SW2 → SW1

（B）AP → SW3 → SW2 → SW1

（C）AP → AC → SW2 → SW1

（D）AP → SW3 → SW2 → AC → SW2 → SW1

（A）During roaming, the STA sends a Reassociation Request frame containing home AP information to the foreign AP.

（B）APs with which a STA is associated before and after roaming can work on different channels.

（C）During roaming, the STA sends an Association Request frame containing home AP information to the foreign AP.

（D）APs with which a STA is associated before and after roaming must work on the same channel.