In Huawei's terminal pull-out test solution, the pull-out test report can be exported through the CampusInsight platform.
Which of the following parameters can be used to select report exports on the CampusInsight platform? (Multiple choice)

• A.Equipment Manufacturer
• B.Pull-out test items
• C.Test terminal
• D.Pull-out test time

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Perform a roaming test through the CloudCampus app. After the test is completed, the roaming record is as shown in the figure below. Which options are correct for describing this roaming?
(Multiple choice)

• A.No packet loss occurred during roaming test
• B.The working channel of the AP accessed by the terminal changes before and after roaming
• C.The signal strength of the terminal before roaming is -78 dBm
• D.The signal strength of the terminal after roaming access to the AP is -33 dBm

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When the engineer checked the AP status through the Huawei wireless controller web interface, he found that the AP status was displayed as config.
Which of the following options is correct about this status?

• A.The WLAN service configuration is being delivered during AP online process
• B.WLAN service configuration fails to be delivered after AP goes online
• C.WLAN service configuration delivery failure during AP online process
• D.WLAN service configuration is being delivered after AP goes online

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Which of the following descriptions about VRRP hot backup and dual-link hot backup are correct?
(Multiple choice)

• A.VRRP hot backup supports backing up the IP address allocation information of the DHCP protocol, while dual-link hot backup does not support
• B.During the VRRP hot backup active/standby switchback process, a smaller VRRP preemption delay time (usually less than 60 seconds) should be set to increase the active/standby switchover speed.
• C.VRRP hot backup only supports active-standby networking, not load-sharing networking, while dual- link hot backup supports active-standby and load-sharing networking.
• D.In VRRP hot backup, the AP only establishes one CAPWAP tunnel, while in dual-link hot backup, the AP needs to establish two CAPWAP tunnels.

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In a Mesh network, engineers found that the MP failed to go online. Which of the following may be the reasons for this problem? (Multiple choice)

• A.The root node MPP is not online
• B.Improper distance parameter configuration
• C.Leaf node MP is not added offline
• D.AP does not obtain the neighbor information of the AP

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