The output information of a router is as follows. Which is wrong? (Multiple choice)

• A.The device is faulty. The configured Router Id is inconsistent with the actual Router .
• B.This router has enabled regional authentication.
• C.The Router Id that is valid for this device is 10.0.12.1.
• D.The Router Id that is valid for this device is 10.0.1.1.

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How many TCP connections will be established when FTP is used to transfer files?

• A.3
• B.4
• C.1
• D.2

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Enable GVRP globally, after all the ports on the switch are automatically open the GVRP

• A.True
• B.False

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The network structure and OSPF partition are shown in the figure. In addition to R1, routers R2, R3 and R4 are OSPF ABR routers.

• A.Error
• B.Correct

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Judgement: The following Frame Relay command results display the IP address 10.1.1.2 is the local IP address. [RTA] dis fr map-info Map Statistics for interface Serial0 (DTE) DLCI = 100, IP INARP 10.1.1.2, Serial0 create time = 2007/06/04 17:34:59, status = ACTIVE encapsulation = ietf, vlink = 20, broadcast

• A.False
• B.True

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