單項(xiàng)選擇題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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A.Show mpls Idp neighbor detail
B.Show mpls Idp bindings
C.Show mpls Idp parameters
D.Show mpls Idp discovery

2.多項(xiàng)選擇題Which three protocols use TLVs to carry attributes?()

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

3.單項(xiàng)選擇題How many messages does internet Key Exchange use to negotiate SA characteristics when running inmain mode?()

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

4.多項(xiàng)選擇題What are three common reasons for ATM CRC errors?()

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B.Noise, gain hits, or other transmission problems on the data link equipment
C.ATM cells are dropped due to incorrect ATM routing in the service provider.
D.A faulty or failing ATM interface.
E.Cells are dropped due to traffic policing in the ATM cloud on one or more virtual circuits attached to theATM interface