The topology and configuration are as shown in the figure, then an Eth-Trunk logical link can be established between the two switches normally, and LSW2 is the active end.

• A.True
• B.False

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For a switch running the STP protocol, the port can be directly converted to the Disabled state in any state.

• A.False
• B.True

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Which of the following descriptions about the firewall is wrong?

• A.Firewalls can isolate networks with different security levels
• B.A firewall can implement access control between different networks
• C.The firewall can realize user authentication
• D.The firewall cannot implement network address translation

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In the network shown in the figure below, when the OSPF neighbor status is stable, what is the neighbor status of Router A and Router B?

• A.Full
• B.Down
• C.Attempt
• D.2-way

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During the online process of FIT, the software version will be downloaded on the AC.

• A.False
• B.True

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