Which of the following statements about VXLAN messages is correct?

• A.The outer destination IP address is the IP address of the remote VTEP of the VXLAN tunnel.
• B.Destination UDP port number is 4789
• C.The source UDP port number is 4789
• D.VNI has 24 bits and is used to distinguish VLAN segments.

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A router is configured for OSPF and is connected to two areas: area 0 and area 1. You configure area 1 as a stub area. Which LSA types will exist inside area 1?

• A.Type 1, 2, and 5
• B.Type 7
• C.Type 1, 2, and 3
• D.Type 1 and 2
• E.Type 3 and 4

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Which of the following attributes cannot be directly referenced by the if-match of a routing policy?

• A.As-Path-filter
• B.Community-filter
• C.Regular expressions
• D.IP-prefix

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Which of the following statements about the attributes of the ISIS protocol LSP packet is correct?

• A.The LSP fast flooding feature first spreads out LSPs smaller than the specified number to speed up the synchronization process of the LSDB.
• B.Configure an intelligent timer generated by the LSP, which can automatically adjust the delay time according to the change frequency of the routing information.
• C.When the link state information increases, the packet length of the SP can be increased, so that each LSP can carry more information.
• D.Reduce the minimum interval for sending LSPs on an interface to speed up LSP diffusion.

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Which AS_PATH can be matched by command ip as-path-filter 1 permit ^12.*74$?

• A.AS_PATH ( 32 1274 23 )
• B.AS_PATH ( 125 328 74 23 )
• C.AS_PATH ( 321 12 2374 )
• D.AS_PATH ( 123 621 743 2374 )

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