After a wireless user connects to a wireless signal point, they cannot obtain an IP address. What are the possible reasons (Select 2 Answers)?

• A.wlan-ess virtual interface.
• B.The DHCP server is not configured in the VLAN where the user is located. The dhcp-enable command is not configured on the
• C.The MAC address of the user device has been added to the blacklist.
• D.The user-specified authentication password is incorrect.

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In WLAN, the AP has been always working in a half-duplex state.

• A.True
• B.False

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According to the direction, WLAN antennas can be classified into () antennas and () antennas. (Multiple choice)

• A.Paraboloid
• B.Orientation
• C.Plate shape
• D.Omnidirectional

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Which of the following is included in the CSMA/CA mechanism in 802.11 WLAN? (Multiple Choice)

• A.Multiple access
• B.Conflict detection
• C.Carrier sensing
• D.Conflict avoidance

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Regarding the functional characteristics of the AP6010SN, the following statement is correct (Select 2 Answers).

• A.AP6010SN supports WDS function, which can realize point-to-point and point-to-multipoint wireless bridging
• B.AP6010SN not only has built-in antenna, but also can be installed with an external antenna.
• C.AP6010SN is an indoor distributed AP that only supports working in the 2.4GHz band.
• D.The AP6010SN has an Ethernet interface that supports 802.3af PoE power supply standards.

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