单选题OSPFv3 is used to route which type of packets?（）A IPv4B IPv6C MPLSD IS-IS

第1题

Which one of these statements is true of OSPF type 5 LSAs？ （）A、 They are used to summarize area routes to other areas.B、 They are used in not-so-stubby areas to propagate external routes.C、 They are used to notify areas of the ASBR.D、 They are flooded to all areas except stub areas （external route）.

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第2题

OSPFv3 is used to route which type of packets?（）A、IPv4B、IPv6C、MPLSD、IS-IS

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第3题

IP地址的版本有（）A、IPV4B、IPV6C、IPV5D、IPV3

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第4题

PDN连接可以用什么表征（　）A、IPv4B、IPv6C、VPND、MPLSLabel

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第5题

PDN连接可以用什么表征？（　）A、IPv4B、IPv6C、VPND、MPLS Label

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第6题

In which solution is a router ACL used？（）A、protecting a server frome unauthorized accesB、controlling path selection，based on the route metricC、reducing router CPU utilizationD、filterring packets that are passing through a router

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第7题

Which command is used to see the path taken by packets across an IP network?（）A、show ip routeB、show routeC、tracerouteD、trace ip route

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