Using the authentication in BGP configuration, how to configure?

• A.The same MD5 password must be used between a pair of BGP peers
• B.All routers in the AS must use the same password
• C.All routers in the same AS must use the same password
• D.All BGP peers on a router must use the same password

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Which of the following does not belong to the IGP?

• A.RIP
• B.OSPF
• C.IS-IS
• D.BGP

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Four routers are running IS-S and the adjacency relation has been established, and the level of area number and router are marked as shown, which of the following statements are true?

• A.R2 and R3 learn default routes from each other, and there is a routing loop in this network
• B.Both R2 and R3 will have the Level-1's LSP of ATT set
• C.R1 does not have the LSP generated by R4, so R1 can only communicate with R4 through the default route
• D.Both R2 and R3 will have the Level-1's LSP of ATT set

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In route-policy, what are the BGP attributes that can be used in the apply clause? (Multiple choice)

• A.MED
• B.Local-Preference
• C.AS-Path
• D.Tag

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Which TLV does IS-IS use to describe the IP Interface Address?

• A.131
• B.129
• C.128
• D.132

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