Engineer A purchased a batch of Huawei APs that support WDS. When the WDS network was formed, the bridge could not be established successfully. Which of the following is the possible reason?

• A.The power of the two APs is different
• B.The channels of the two APs are different.
• C.The models of the two APs are different.
• D.The SSIDs of the two APs are different.

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When a data frame is sent and acknowledged, what is the time interval to wait before the next data frame is sent ()?

• A.DIFS
• B.SIFS
• C.PIFS
• D.IFS

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The antenna has a power amplification function.

• A.FALSE
• B.TRUE

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The 802.11n standard uses dual-band (2.4 GHz and 5 GHz), the theoretical transmission rate can reach up to
300 Mbps, and the actual test rate can reach more than 100 Mbps.

• A.True
• B.False

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What are the ways for APs to automatically discover ACs? (Multiple choice)

• A.Through the DHCP server mode
• B.Broadcast access
• C.Multicast access
• D.Through the DNS server mode

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