单项选择题

Which of the following is used to periodically multicast by DIS on a LAN to ensure IS-IS link state databaseaccuracy？（）

A.CSNP
B.LSP
C.ISH
D.Hello
E.IIH
F.PSNP

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单项选择题

A.Show mpls Idp neighbor detail
B.Show mpls Idp bindings
C.Show mpls Idp parameters
D.Show mpls Idp discovery

多项选择题

A.Cisco Discovery Protocol
B.Label Discovery Protocol
C.Border Gateway Protocol
D.OSPF
E.RIP version 2

单项选择题

A.3 messages
B.6 messages
C.4 messages
D.2 messages
E.5 messages