On the broadcast network, both DR and BDR use the multicast address 224.0.0.6 to receive link state update messages.

• A.True
• B.False

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<huawei>system-view
[huawei]command-privilege level 3 view user save
The correct statement about the above configuration command is:

• A.Modify the authority level of the save command used by a user to 3
• B.Modify the permission level of the save command in the user view to 3
• C.Modify the permission level of the user view command to 3, and save the configuration
• D.Modify the user's authority level to 3, and save the configuration

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As shown in the figure, the correct description of this network topology is ().

• A.There are 6 broadcast domains in this network
• B.There are 6 collision domains in this network
• C.There are 2 broadcast domains in this network
• D.There are 12 conflict domains in this network

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The Layer 2 networking of WLAN means that the STA uses the AC as its gateway.

• A.True
• B.False

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On the VRP platform, which of the following methods can be used to access the previous history commands?

• A.Up cursor
• B.Ctr1+P
• C.Ctr1+U
• D.Left cursor

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