A campus has deployed IPv6 for service testing. There are 4 routers in the network, running 0SPFV3.
Interconnection of IPv6 networks. As shown in the figure, an engineer checked the LSDB of R2 and intercepted one of them Link-LSAs. Which of the following statements is true about the description of this LSA?

• A.produce theLSAThe router isR2
• B.ShouldLSAshowR2External routing is not supported, but participatingIPv6route calculation
• C.R2interfaceGEO/O/OThe link-local address force:FE80::2E0;FCFF:FEC, D:4F79
• D.R2interfaceGE0/0/0IPV6address prefix:2001:2343:23: :/64

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According to this picture, Xinmen can be judged?

• A.R1access172.16.1.4,need to go through4hop router
• B.R1access172.16.1.4have2an equivalent path
• C.R1access172.16.1.4have4an equivalent path
• D.R1access172.16.1.4.need to go through2hop router

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You have set IS-IS IPv6 enable under the interface, what is the meaning of this command?

• A.Activate on the interfaceIPv6 IS-ISprocess1
• B.Activate on the interfaceIPv6 IS-ISprocess3
• C.activate on the interfaceIPv6 IS-ISprocess10
• D.activate on the interfaceIPv6 IS-ISprocess2

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Part of the configuration of R1 is as follows, which of the following statement about OSPF on R1 is correct? (Multiple choice)

• A.The routing information of VRF tt will appear in the routing table of OSPF process 1
• B.The OSPF LSDBs of process 1 and process 2 have exactly the same LSA in area 0
• C.The routing information of VRF tt will not appear in the routing table of OSPF process 1
• D.The OSPF LSD8 of process 1 and process 2 have different LSAs in the area

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Which of the following statements about IPSG is false?

• A.IPSGcan preventIPaddress spoofing attack
• B.IPSGcan be turned onIPPacket inspection alarm function, linked with the network management to alarm
• C.able to passIPSGPrevent the host from changing privatelyIPaddress
• D.IPSGis a source based on a three-layer interfaceIPaddress filtering technology

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