The bridge ID of the STP protocol in the switching network is as follows. Which of the following bridge ID switches will become the root bridge?

• A.32768 00-01-02-03-04-BB
• B.32768 00-01-02-03-04-CC
• C.32768 00-01-02-03-04-AA
• D.4096 00-01-02-03-04-DD

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The Layer 2 Ethernet switch generates entries in the MAC address table according to the ( ) of the Ethernet frame received by the port.

• A.Destination IP address
• B.Source IP address
• C.Source MAC address
• D.Destination MAC address

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The MAC address table of existing switches is shown in the figure. Which of the following statement is correct?

• A.The MAC address 5489-9885-18a8 is manually configured by the administrator
• B.The MAC address 5489-989d-1d30 is manually configured by the administrator
• C.The MAC address 5489-9811-0b49 is manually configured by the administrator
• D.After the switch restarts, all MAC addresses need to be relearned

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Both pwd and dir commands in the VRP operating platform can view the file information under the current directory.

• A.TURE
• B.FALSE

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The Router ID of the OSPF process takes effect immediately after modification.

• A.True
• B.False

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