The output information of a router is shown in the figure. Which of the following statements are correct? ()

• A.The current VRP version file is the same as the VRP file used for the next startup
• B.The configuration file currently used is different from the configuration file used for the next startup
• C.The current configuration file used is the same as the configuration file used for D next startup

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The origin of SDN is the separation of transfer and control. The separation of transfer and control is a way to realize SDN, not the essence.

• A.True
• B.False

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The following figure shows the routing table of a router.
When the router receives a destinationIWhen the P address is a data packet of 9.1.1.1,The router will forward according to the route of 9.1.0.0/16 because the mask length of this route is longer. ()(True or False)

• A.True
• B.False

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The following statement about static routing is wrong ()

• A.Low system performance requirements
• B.Routers need to exchange routing information
• C.Manual configuration by network administrator
• D.Cannot automatically adapt to changes in network topology

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The basic header length of IPv6 packets is a fixed value ()

• A.False
• B.True

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