NAPT distinguishes the IP addresses of different users through the protocol numbers in TCP or UDP or IP packets.

• A.True
• B.False

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In order to realize the network layer function on the VLANIF interface, it is necessary to configure which of the following on the VLANIF interface? (Multiple choice)

• A.MAC address
• B.Subnet mask
• C.IP prefix
• D.IP address

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An OSPFv3 router adjacent to this router is an ABR.

• A.True
• B.False

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The end-to-end delay is equal to the sum of all processing delays and queue delays on the path.

• A.False
• B.True

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As shown in the figure below, the router configuration information is as follows. According to this network and configuration, which of the following statements is correct? (Multiple choice)

• A.Router A and Router B have ARP tables
• B.Router A and Router B cannot learn the MAC address of each other's interface
• C.Two routers can establish an OSPF adjacency
• D.There is no DR and BDR in the network

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