Regarding the OSPF multi-process description, which is wrong?

• A.Multiple different OSPF processes can run on the same router, and they do not affect each other and are independent of each other
• B.Different OSPF routers establish neighbors, and the process numbers must be the same
• C.The routing interaction between different OSPF processes is equivalent to the routing interaction between different routing protocols
• D.An interface of a router can only belong to one OSPF process

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Which of the following statements about stacked on MAD detection is wrong?

• A.MAD detection methods are divided into direct connection detection and proxy detection
• B.MAD direct connection detection can be through intermediate devices or full-mesh methods
• C.MAD proxy detection requires that all stack members are connected to the proxy device, and the connected links are added to an Eth-Tunk
• D.When stacking systems act as agents for each other to perform MAD detection, the two stacking systems can use the same Domain ID

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After the modular switch receives the business message, it is processed by the upstream interface board, then processed by the downstream interface board, and finally sent from the interface.

• A.TRUE
• B.FALSE

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What is the BFD version number supported by the VRP version?

• A.Version 1
• B.Version 2
• C.Version 4
• D.version 3

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Which of the following descriptions of the OSPF protocol is wrong?

• A.It is only allowed to advertise routing information between backbone areas and non-backbone areas, and it is not allowed to advertise routing information directly between non-backbone areas
• B.Each OSPF router uses only one Router-LSA to describe the local active connection status belonging to an area
• C.The Link State ID described in the third type of LSA is the router-id of the ABR
• D.There are four connection types described by Router-LSA: P2P/TransNet/StubNetl virtual link

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