The output information of a switch is shown in the figure. Which of the following interfaces can forward data frames with VLAN ID 40 and do not carry tags when forwarding?

• A.GE0/0/2
• B.GE0/0/5
• C.GE0/0/4
• D.GE0/0/3

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The link aggregation interface can only be used as a Layer 2 interface.

• A.FALSE
• B.TRUE

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The MAC address table of a certain switch is shown in the figure. If the switch receives a data frame with a destination MAC of 5489-9811-0b49 from port Eth0/0/2, which of the following statements is correct? ()

• A.Forward this data frame from the Eth0/0/3 port
• B.Forward this data frame from the Eth0/0/2 port
• C.Flood out this data frame
• D.Discard this data frame

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On Huawei routers, what is the default value of the OSPF protocol internal routing priority?

• A.30
• B.0
• C.10
• D.20

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What is the value of the Type field in the RStp configuration BPDU message? ()

• A.0x01
• B.0x02
• C.0x03
• D.0x00

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