Which of the following statements about VLANIF interfaces is correct?

• A.VLANIF interface does not need to learn MAC address
• B.VLANIF interface does not have a MAC address
• C.Different VLANIF interfaces can use the same IP address
• D.VLANIF interface is a layer 3 interface

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Which of the following parameters are used in the spanning tree calculation of the switching network running the STP protocol? (Multiple choice)

• A.Root Path Cost
• B.Bridge ID
• C.Forward Delay
• D.Port ID

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The data link layer uses PPP encapsulation, and the IP addresses at both ends of the link may not be in the same network segment.

• A.True
• B.False

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AP can only bind one SSID to one radio port.

• A.True
• B.False

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The ICMP message does not contain the port number, so NAPT cannot be used.

• A.True
• B.False

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