What is the command to check the system version of the AP running?

• A.display ap all
• B.display ap update all
• C.display ap version id x (x is the ID number of the AP)
• D.display ap-run-info id x (x is the ID number of the AP)

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802.11b is a protocol based on Orthogonal Frequency Division Multiplexing (OFDM) technology.

• A.True
• B.False

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In the depolyment of WDS, the bridge network model including? (Multiple choice)

• A.Relay Bridge
• B.Multipoint to Multipoint Way
• C.Point-to-Point Mode
• D.Point to Multi-point Mode

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According to the following configuration example, the following statement is correct.
[AC] dhcp enable
[AC] interface VLANif100
[AC-VLANif100] ip address 10.1.100.1 24
[AC-VLANif100] dhcp select interface
[AC-VLANif100] quit

• A.The DHCP service is enabled by default in the global mode, so the dhcp enable can be configured.
  The
• B.If VLAN 100 is a user VLAN, the gateway is 10.1.100.1 and the mask is 255.255.255.0 after the user receives the address.
• C.If VLAN 100 is the management VLAN where the AP is located, the option 43 field in the DHCP message received by the AP should be 10.1.100.1.
• D.dhcp select interface command enables the DHCP client function on the interface of VLAN 100.

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Radio frequency mainly uses spread spectrum technology. Which of the following technologies belong to Spread 2 Answers?

• A.DSSS
• B.OFDM
• C.FHSS
• D.QPSK

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