Which of the following options is in the 5GHz band supported by China?

• A.5.725~5.825GHz
• B.5.725~5.850GHz
• C.5.25~5.35GHz
• D.5.15~5.25GHz

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For lobe width, the following description is correct (Select 3 Answers).

• A.The terminal can receive the signal only within the half power angle coverage.
• B.In the main lobe range, the power density decreases by half (3dB) relative to the maximum radiation direction.
• C.The narrower the lobes, the better the directionality, the farther the radiation distance, the stronger the anti-interference ability
• D.The pattern usually has two or more petals

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If an enterprise wireless network networking mode is direct forwarding, the thin AP can convert the 802.11 data packet into an Ethernet packet, and then encapsulate the packet into a CAPWAP encapsulation and transmit the data packet to the AC through the CAPWAP tunnel.

• A.False
• B.True

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What are the mandatory standards for wireless LAN security in China?

• A.WLAN
• B.WiMAX
• C.WiFi
• D.WAPI

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The cable used in the project cannot theoretically exceed the meter.

• A.150
• B.100
• C.80
• D.50

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