A DHCP server is deployed on the network, but the administrator finds that some hosts have not correctly obtained the addresses specified by the DHCP server. What are the possible reasons?
(Multiple Choice Questions)

• A.There is another DHCP server that works more efficiently in the network
• B.The address pool of the DHCP server has all been allocated
• C.Some hosts cannot communicate with the DHCP server normally, and the client systems of these hosts automatically generate addresses in the range of 169.2540.0
• D.Some hosts cannot communicate with the DHCP server normally, and the client systems of these hosts automatically generate addresses in the range of 127.254.0.0

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As shown in the figure, when the switch needs to forward frames with the destination mac address of 5489-98ec-f011, which of the following descriptions is correct? () (Single-choice question)

• A.The switch did not find a matching entry in the mac address table. So the frame will be discarded
• B.The switch needs to send a request to discover the device with the mac address of 5489-98ec- f011
• C.The switch will send a message that the destination is unreachable to the source device
• D.The switch will be All ports outside flood the frame

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In the VRP interface, use the command delete vrpcfg.zip to delete the file. You must empty the recycle bin to completely delete the file.

• A.False
• B.True

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