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[求助] ccnp300-101精简版55问

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发表于 2018-10-29 13:01:19 | 显示全部楼层 |阅读模式
QUESTION 55 What is the role of a route distinguisher via a VRF-Lite setup implementation?

A.It extends the IP address to identify which VFP instance it belongs to.
B.It manages the import and export of routes berween two or more VRF instances
C.It enables multicast distribution for VRF-Lite setups to enhance EGP routing protocol capabilities
D.It enables multicast distribution for VRF-Lite setups to enhance IGP routing protocol capabilities


Correct Answer: A Section: part 2 Explanation

这题问VRF-LITE的定位是什么,查了文档,A和B的描述有些不好区分,都是把多个VRF实例统合成一个发给PE端,老题库选B,这里怎么变成A了?
还有就是A答案的VFP是什么鬼?这是答案是否错了?
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