The following description of WEP encryption is wrong.

• A.WEP encryption adds IV to destroy the regularity of the key. The length of the IV in C.WEP encryption is 48 bits.
• B.WEP encryption allows the device to store four keys at the same time.
• C.WEP encryption uses a stream encryption algorithm.

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In the 802.11 frame, what is the value of To DS and From DS when the wireless station sends a signal to the wireless AP?

• A.1,1
• B.0,0
• C.0,1
• D.1,0

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The BSSID is actually the MAC address of the AP and is used to identify the BSS managed by the AP.

• A.False
• B.True

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What is the maximum number and the minimum number of AP that can be managed by the ACU2 board of the Huawei plug-in controller?

• A.1024, 128
• B.2048, 4
• C.1024, 4
• D.2048, 128

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What are the reasons why APs cannot go online (Select 3 Answers)?

• A.The AP uses static discovery but the IP address of the AC is incorrect. The version of
• B.AP is inconsistent with the version of AC.
• C.The configuration of the DHCP address pool is incorrect. The AP cannot obtain the address.
• D.The controller adopts no-auth authentication mode.

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