The following transmission rate can reach 54Mbps What are the wireless LAN standards and above ()? (Select 3 Answers)

• A.802.11b
• B.802.11a
• C.802.11g
• D.802.11n

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For outdoor WLAN Cover, the following statement is correct ().
(Select 3 Answers)

• A.The feeder interface must match the selected antenna
• B.The higher the antenna gain, the stronger the antenna directivity, and the weaker the radiation gain directly below the antenna
• C.The length of the feeder must not exceed 2 rice
• D.Outdoor antennas should not blindly pursue high gain

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For protection WLAN Security, which of the following measures can be taken? (Select 3 Answers)

• A.Authentication
• B.Control flow
• C.encryption
• D.System protection

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support 5GHz What are the wireless LAN standards for frequency
bands ()? (Select 2 Answers)

• A.802.11a
• B.802.11n
• C.802.11g
• D.802.11b

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For one adopts WPA2 PSK Certified and SSID For broadcast wireless networks, users can double-click the username and password to access the network. SSID And enter the correct use

• A.False
• B.True

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