Execute the () saved-configuration command to clear the content of the configuration file used for the next startup of the device, and cancel the configuration file used for the next startup of the specified system, so that the device configuration is restored to the default value. (Please fill in the complete command, not abbreviated, and use all lowercase English letters)

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In the case of without enabling BGP path load sharing, which BGP routes will be sent to BGP neighbors?

• A.Only the best route preferred by BGP
• B.All BGP routes learned from all neighbors
• C.Only routes learned from IBGP
• D.Only routes learned from EBGP

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The router receives two BGP routes with the following attributes, please select the best route according to the BGP routing rules:

• A.The best route to route M, due to its MED is larger than route N
• B.The best route to route N, due to its MED is smaller than route M
• C.The best route to route N, due to its AS_Path is longer than route N
• D.The best route is route M, due to its AS_Path is shorter than route N

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Which statement about IGMP Proxy is correct? (Multiple choice)

• A.IGMP Proxy can detect link status in conjunction with NQA to achieve rapid switching between active and standby links
• B.The IGMP Proxy device cannot replace the IGMP querier to send query messages to downstream member hosts to maintain group membership
• C.IGMP Proxy is usually deployed on the device between the member hosts that access the device
• D.The downstream interface of the IGMP Proxy device generates multicast forwarding entries based on the information of member hosts joining and leaving the multicast group

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In dual-link hot backup, AP will establish a CAPWAP link with the main AC and backup AC.

• A.True
• B.False

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