For the network shown in the figure below, which of the following statements is correct?

• A.10.0.12.1 can ping 10.0.12.2
• B.Because the sub-interface numbers of Router A and Router B are inconsistent, so Router A and Router B cannot communicate
• C.The sub-interface of Router A cannot learn the MAC address of the sub-interface of Router B
• D.The sub-interface of Router B cannot learn the MAC address of the sub-interface of Router A

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The following statement about the TTL field in the IP packet header is correct.

• A.TTL defines the number of packets that the source host can send
• B.Every time an IP packet passes through a router, its TTL value will be reduced by 1
• C.TTL defines the time interval at which the source host can send data packets
• D.Every time an IP packet passes through a router, its TTL value will be increased by 1

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In VRPOn the platform, the command"interfacevlanit#vlan-id#"The role is (). ()

• A.B. No such command
• B.Create or enter VLAN virtual interface view
• C.D. Configure VLAN for a port

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Which of the following statements about static routing is wrong?

• A.Manual configuration by the network administrator
• B.Cannot automatically adapt to changes in network topology
• C.Low system performance requirements
• D.Routing information needs to be exchanged between routers

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What packet types are included in DHCP?

• A.DHCP Discover packet
• B.DHCP Request packet
• C.DHCP Rollover packet
• D.DHCP Offer packet

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